1991-10-24 19:28:54 +08:00
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/* Read ELF (Executable and Linking Format) object files for GDB.
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1996-01-09 01:55:25 +08:00
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Copyright 1991, 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
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1991-10-24 19:28:54 +08:00
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Written by Fred Fish at Cygnus Support.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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1995-08-02 11:41:12 +08:00
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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1991-10-24 19:28:54 +08:00
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#include "defs.h"
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#include "bfd.h"
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* configure.in: Check for working mmap, ansi headers, string.h,
strings.h, and memory.h.
* configure: Regenerated.
* gdb_stat.h: New file, "portable" <sys/stat.h>.
* gdb_string.h: New file, "portable" <string.h>.
* altos-xdep.c, arm-tdep.c, arm-xdep.c, convex-tdep.c,
convex-xdep.c, coredep.c, cxux-nat.c, dbxread.c, exec.c,
gould-xdep.c, hppa-tdep.c, i386aix-nat.c, i386b-nat.c,
i386mach-nat.c, i386v-nat.c, infptrace.c, m88k-nat.c, main.c,
mdebugread.c, objfiles.c, os9kread.c, procfs.c, pyr-xdep.c,
rs6000-nat.c, source.c, standalone.c, stuff.c, sun386-nat.c,
symfile.c, symm-nat.c, symm-tdep.c, symtab.c, top.c, ultra3-nat.c,
ultra3-xdep.c, umax-xdep.c, xcoffread.c: Include "gdb_stat.h"
instead of <sys/stat.h>.
* alpha-tdep.c, breakpoint.c, buildsym.c, c-typeprint.c,
ch-typeprint.c, coffread.c, command.c, core-sol2.c, core-svr4.c,
core.c, corelow.c, cp-valprint.c, dbxread.c, dcache.c, demangle.c,
dpx2-nat.c, dstread.c, dwarfread.c, elfread.c, environ.c, eval.c,
exec.c, f-lang.c, f-typeprint.c, f-valprint.c, findvar.c,
fork-child.c, gdbtypes.c, hpread.c, i386-tdep.c, infcmd.c,
inflow.c, infptrace.c, infrun.c, irix5-nat.c, language.c,
m2-typeprint.c, main.c, mdebugread.c, minsyms.c, mipsread.c,
monitor.c, nlmread.c, objfiles.c, os9kread.c, osfsolib.c, parse.c,
printcmd.c, procfs.c, regex.c, remote-adapt.c, remote-arc.c,
remote-array.c, remote-bug.c, remote-e7000.c, remote-eb.c,
remote-es.c, remote-hms.c, remote-mm.c, remote-os9k.c,
remote-pa.c, remote-sim.c, remote-st.c, remote-udi.c,
remote-utils.c, remote-vx.c, remote-vx29k.c, remote-vx68.c,
remote-vx960.c, remote-vxmips.c, remote-vxsparc.c, remote.c,
solib.c, somread.c, source.c, stabsread.c, stack.c, symfile.c,
symmisc.c, symtab.c, target.c, top.c, typeprint.c, utils.c,
valarith.c, valops.c, valprint.c, values.c, xcoffread.c: Include
"gdb_string.h" instead of <string.h>.
* gdbtk.c: Likewise.
* config/xm-sysv4.h, i386/xm-ptx.h, m68k/xm-sun3os4.h,
sparc/xm-sun4os4.h (HAVE_MMAP): Removed.
* config/xm-lynx.h, config/i386/xm-ptx.h,
config/m68k/nm-apollo68b.h, config/m68k/xm-hp300hpux.h,
config/mips/xm-irix3.h, config/mips/xm-mips.h,
config/mips/xm-news-mips.h, config/mips/xm-riscos.h,
config/pa/hppah.h, config/rs6000/xm-rs6000.h,
config/sparc/xm-sun4os4.h, config/sparc/xm-sun4sol2.h,
config/vax/xm-vaxbsd.h, config/vax/xm-vaxult.h,
config/vax/xm-vaxult2.h (MEM_FNS_DECLARED): Removed.
* config/mips/xm-irix3.h, config/mips/xm-mips.h,
config/pa/xm-hppah.h (memcpy, memset): Removed declarations.
1995-08-02 04:14:27 +08:00
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#include "gdb_string.h"
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1995-11-01 07:58:52 +08:00
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#include "elf-bfd.h"
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1994-04-22 01:09:31 +08:00
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#include "elf/mips.h"
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1991-10-24 19:28:54 +08:00
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#include "symtab.h"
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1992-02-22 09:46:16 +08:00
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#include "symfile.h"
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1992-03-21 09:56:01 +08:00
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#include "objfiles.h"
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1992-03-30 07:26:47 +08:00
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#include "buildsym.h"
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1993-08-24 09:43:59 +08:00
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#include "stabsread.h"
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1992-07-04 21:59:03 +08:00
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#include "gdb-stabs.h"
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* complaints.c: New file, code moved from utils.c.
* complaints.c (complain): Made into a varargs function.
* complaints.h: New file, code moved from symfile.h.
* Makefile.in (SFILES_MAINDIR): Add complaints.c.
* Makefile.in (HFILES): Add complaints.h.
* Makefile.in (OBS): Add complaints.o.
* symfile.c (complaint_root, stop_whining, complaint_series,
complain, clear_complaints, add_show_from_set for stop_whining):
Moved to complaints.c.
* symfile.h (struct complaint, complaint_root decl, complain
prototype, clear_complaints prototype): Moved to complaints.h.
* buildsym.c, coffread.c, dbxread.c, dwarfread.c, elfread.c,
gdbtypes.c, mipsread.c, stbsread.c, symfile.c: Include
complaints.h. Remove casts from arguments to complain(),
which is now a varargs function, and remove unnecessary
placeholder zero args.
* defs.h (begin_line): Add prototype.
* defs.h (vprintf_filtered): Add prototype.
* dwarfread.c (varargs.h): Remove, no longer needed.
* dwarfread.c (dwarfwarn): Remove prototype and function.
* dwarfread.c (complaints): Define a bunch of complaints.
* dwarfread.c (SQUAWK): Remove macro defs, convert all
usages to standard complain() calls.
* utils.c (begin_line): New function that ensures that
whatever gets filter-printed next starts on its own line.
* utils.c (vprintf_filtered): New func, like vfprintf_filtered,
but to stdout (calls vfprintf_filtered internally).
1992-12-15 20:18:53 +08:00
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#include "complaints.h"
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* defs.h (STRCMP, STREQ, STREQN): New macros.
* defs.h (demangle_and_match): Remove prototype.
* dwarfread.c (STREQ, STREQN): Remove macros, replaced with STREQ
and STREQN defined in defs.h.
* dwarfread.c (set_cu_language): For completely unknown languages,
try to deduce the language from the filename. Retain behavior
that for known languages we don't know how to handle, we use
language_unknown.
* dwarfread.c (enum_type, symthesize_typedef): Initialize language
and demangled name fields in symbol.
* dwarfread.c, mipsread.c, partial-stab.h: For all usages of
ADD_PSYMBOL_TO_LIST, add language and objfile parameters.
* dwarfread.c (new_symbol): Attempt to demangle C++ symbol names
and cache the results in SYMBOL_DEMANGLED_NAME for the symbol.
* elfread.c (STREQ): Remove macro, use STREQ defined in defs.h.
Replace usages throughout.
* elfread.c (demangle.h): Include.
* elfread.c (record_minimal_symbol): Remove prototype and function.
* gdbtypes.h, symtab.h (B_SET, B_CLR, B_TST, B_TYPE, B_BYTES,
B_CLRALL): Moved from symtab.h to gdbtypes.h.
* infcmd.c (jump_command): Remove code to demangle name and add
it to a cleanup list. Now just use SYMBOL_DEMANGLED_NAME.
* minsyms.c (demangle.h): Include.
* minsyms.c (lookup_minimal_symbol): Indent comment to match code.
* minsyms.c (install_minimal_symbols): Attempt to demangle symbol
names as C++ names, and cache them in SYMBOL_DEMANGLED_NAME.
* mipsread.c (psymtab_language): Add static variable.
* stabsread.c (demangle.h): Include.
* stabsread.c (define_symbol): Attempt to demangle C++ symbol
names and cache them in the SYMBOL_DEMANGLED_NAME field.
* stack.c (return_command): Remove explicit demangling of name
and use of cleanups. Just use SYMBOL_DEMANGLED_NAME.
* symfile.c (demangle.h): Include.
* symfile.c (add_psymbol_to_list, add_psymbol_addr_to_list): Fix
to match macros in symfile.h and allow them to be compiled
if INLINE_ADD_PSYMBOL is not true.
* symfile.h (INLINE_ADD_PSYMBOL): Default to true if not set.
* symfile.h (ADD_PSYMBOL_*): Add language and objfile parameters.
Add code to demangle and cache C++ symbol names. Use macro form
if INLINE_ADD_PSYMBOL is true, otherwise use C function form.
* symmisc.c (add_psymbol_to_list, add_psymbol_addr_to_list):
Remove, also defined in symfile.c, which we already fixed.
* symtab.c (expensive_mangler): Remove prototype and function.
* symtab.c (find_methods): Remove physnames parameter and fix
prototype to match.
* symtab.c (completion_list_add_symbol): Name changed to
completion_list_add_name.
* symtab.c (COMPLETION_LIST_ADD_SYMBOL): New macro, adds both
the normal symbol name and the cached C++ demangled name.
* symtab.c (lookup_demangled_partial_symbol,
lookup_demangled_block_symbol): Remove prototypes and functions.
* symtab.c (lookup_symbol): Remove use of expensive_mangler,
use lookup_block_symbol instead of lookup_demangled_block_symbol.
Remove code to try demangling names and matching them.
* symtab.c (lookup_partial_symbol, lookup_block_symbol):
Fix to try matching the cached demangled name if no match is
found using the regular symbol name.
* symtab.c (find_methods): Remove unused physnames array.
* symtab.c (name_match, NAME_MATCH): Remove function and macro,
replaced with SYMBOL_MATCHES_REGEXP from symtab.h.
* symtab.c (completion_list_add_symbol): Rewrite to use cached
C++ demangled symbol names.
* symtab.h: Much reformatting of structures and such to add
whitespace to make them more readable, and make them more
consistent with other gdb structure definitions.
* symtab.h (general_symbol_info): New struct containing fields
common to all symbols.
* symtab.h (SYMBOL_LANGUAGE, SYMBOL_DEMANGLED_NAME,
SYMBOL_SOURCE_NAME, SYMBOL_LINKAGE_NAME, SYMBOL_MATCHES_NAME,
SYMBOL_MATCHES_REGEXP, MSYMBOL_INFO, MSYMBOL_TYPE): New macros.
* symtab. (struct minimal_symbol, struct partial_symbol, struct
symbol): Use general_symbol_info struct.
* utils.c (demangle_and_match): Remove, no longer used.
* valops.c (demangle.h): Include.
* xcoffexec.c (eq): Remove macro, replace usages with STREQ.
* blockframe.c, breakpoint.c, c-exp.y, c-valprint.c, dbxread.c,
infcmd.c, m2-exp.y, minsyms.c, objfiles.h, solib.c, stack.c,
symmisc.c, symtab.c, valops.c: Replace references to minimal
symbol fields with appropriate macros.
* breakpoint.c, buildsym.c, c-exp.y, c-typeprint.c, c-valprint.c,
coffread.c, command.c, convex-tdep.c, cp-valprint.c, dbxread.c,
demangle.c, elfread.c, energize.c, environ.c, exec.c,
gdbtypes.c, i960-tdep.c, infrun.c, infrun-hacked.c, language.c,
main.c, minsyms.c, mipsread.c, partial-stab.h, remote-es1800.c,
remote-nindy.c, remote-udi.c, rs6000-tdep.c, solib.c, source.c,
sparc-pinsn.c, stabsread.c, standalone.c, state.c, stuff.c,
symfile.c, symmisc.c, symtab.c, symtab.h, tm-sysv4.h,
tm-ultra3.h, values.c, xcoffexec.c, xcoffread.c: Replace strcmp
and strncmp usages with STREQ, STREQN, or STRCMP as appropriate.
* breakpoint.c, buildsym.c, c-typeprint.c, expprint.c, findvar.c,
mipsread.c, printcmd.c, source.c, stabsread.c, stack.c,
symmisc.c, tm-29k.h, valops.c, values.c: Replace SYMBOL_NAME
references with SYMBOL_SOURCE_NAME or SYMBOL_LINKAGE_NAME as
appropriate.
* buildsym.c (start_subfile, patch_subfile_names): Default the
source language to what can be deduced from the filename.
* buildsym.c (end_symtab): Update the source language in the
allocated symtab to match what we have been using.
* buildsym.h (struct subfile): Add a language field.
* c-typeprint.c (c_print_type): Remove code to do explicit
demangling.
* dbxread.c (psymtab_language): Add static variable.
* dbxread.c (start_psymtab): Initialize psymtab_language using
deduce_language_from_filename.
1992-12-23 14:34:57 +08:00
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#include "demangle.h"
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1991-10-24 19:28:54 +08:00
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1992-07-04 21:59:03 +08:00
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/* The struct elfinfo is available only during ELF symbol table and
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psymtab reading. It is destroyed at the complation of psymtab-reading.
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It's local to elf_symfile_read. */
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1991-10-24 19:28:54 +08:00
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struct elfinfo {
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1992-10-15 21:40:40 +08:00
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file_ptr dboffset; /* Offset to dwarf debug section */
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1991-10-24 19:28:54 +08:00
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unsigned int dbsize; /* Size of dwarf debug section */
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1992-10-15 21:40:40 +08:00
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file_ptr lnoffset; /* Offset to dwarf line number section */
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1991-10-24 19:28:54 +08:00
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unsigned int lnsize; /* Size of dwarf line number section */
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1992-06-13 15:24:30 +08:00
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asection *stabsect; /* Section pointer for .stab section */
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asection *stabindexsect; /* Section pointer for .stab.index section */
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1993-12-07 01:31:05 +08:00
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asection *mdebugsect; /* Section pointer for .mdebug section */
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1991-10-24 19:28:54 +08:00
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};
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1992-07-04 21:59:03 +08:00
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/* Various things we might complain about... */
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struct complaint section_info_complaint =
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{"elf/stab section information %s without a preceding file symbol", 0, 0};
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struct complaint section_info_dup_complaint =
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{"duplicated elf/stab section information for %s", 0, 0};
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struct complaint stab_info_mismatch_complaint =
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{"elf/stab section information missing for %s", 0, 0};
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struct complaint stab_info_questionable_complaint =
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{"elf/stab section information questionable for %s", 0, 0};
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1992-02-22 09:46:16 +08:00
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static void
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* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (coff_symfile_finish): Add function, prototype, and
add to the xxxx_sym_fns struct for each file type. Also reformat
the xxxx_sym_fns vector to a standard format and add comments.
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (xxx_symfile_new_init, xxx_symfile_init, xxx_symfile_read):
Pass pointer to struct objfile rather than pointer to sym_fns.
Change references inside each function accordingly. Allocate any
symbol file specific info in the per-objfile memory region.
* dbxread.c (free_and_init_header_files): Break function into
free_header_files(), called from dbx_symfile_finish(), and
init_header_files(), called from dbx_new_init().
* dbxread.c (dbx_new_init): Move deallocation things to new
dbx_symfile_finish function.
* elfread.c (elf_new_init): Call buildsym_new_init().
* objfiles.c (free_objfile): Call the appropriate symfile_finish()
routine for the objfile before deallocating other stuff.
* sparc-tdep.c (get_longjmp_target): Cast target_read_memory arg.
* symfile.h: Move struct sym_fns to before struct objfile def.
Add sym_finish function pointer and change prototypes of other
function pointers to reflect passing struct objfile pointer rather
than struct sym_fns pointer.
* symfile.c: Remove now obsolete symtab_fns pointer.
* symfile.c (symfile_init): Renamed to find_sym_fns, and now only
locates the correct sym_fns struct for the given objfile.
* symfile.c (syms_from_objfile, symbol_file_add): Restructured
for better support of mapped symbol tables.
* symfile.c (symbol_file_command): Remove obsolete code using
symfile_fns.
* symfile.h: Remove duplicate declarations for symfile_objfile,
entry_point, and object_files.
* target.c (target_info): Compare symfile_objfile to NULL.
* xcoffread.c (aixcoff_new_init): Move deallocation stuff to
aixcoff_symfile_finish().
1992-03-20 05:57:15 +08:00
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elf_symfile_init PARAMS ((struct objfile *));
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1992-02-22 09:46:16 +08:00
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static void
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* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (coff_symfile_finish): Add function, prototype, and
add to the xxxx_sym_fns struct for each file type. Also reformat
the xxxx_sym_fns vector to a standard format and add comments.
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (xxx_symfile_new_init, xxx_symfile_init, xxx_symfile_read):
Pass pointer to struct objfile rather than pointer to sym_fns.
Change references inside each function accordingly. Allocate any
symbol file specific info in the per-objfile memory region.
* dbxread.c (free_and_init_header_files): Break function into
free_header_files(), called from dbx_symfile_finish(), and
init_header_files(), called from dbx_new_init().
* dbxread.c (dbx_new_init): Move deallocation things to new
dbx_symfile_finish function.
* elfread.c (elf_new_init): Call buildsym_new_init().
* objfiles.c (free_objfile): Call the appropriate symfile_finish()
routine for the objfile before deallocating other stuff.
* sparc-tdep.c (get_longjmp_target): Cast target_read_memory arg.
* symfile.h: Move struct sym_fns to before struct objfile def.
Add sym_finish function pointer and change prototypes of other
function pointers to reflect passing struct objfile pointer rather
than struct sym_fns pointer.
* symfile.c: Remove now obsolete symtab_fns pointer.
* symfile.c (symfile_init): Renamed to find_sym_fns, and now only
locates the correct sym_fns struct for the given objfile.
* symfile.c (syms_from_objfile, symbol_file_add): Restructured
for better support of mapped symbol tables.
* symfile.c (symbol_file_command): Remove obsolete code using
symfile_fns.
* symfile.h: Remove duplicate declarations for symfile_objfile,
entry_point, and object_files.
* target.c (target_info): Compare symfile_objfile to NULL.
* xcoffread.c (aixcoff_new_init): Move deallocation stuff to
aixcoff_symfile_finish().
1992-03-20 05:57:15 +08:00
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elf_new_init PARAMS ((struct objfile *));
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1992-02-22 09:46:16 +08:00
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static void
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1992-07-04 21:59:03 +08:00
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elf_symfile_read PARAMS ((struct objfile *, struct section_offsets *, int));
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* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (coff_symfile_finish): Add function, prototype, and
add to the xxxx_sym_fns struct for each file type. Also reformat
the xxxx_sym_fns vector to a standard format and add comments.
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (xxx_symfile_new_init, xxx_symfile_init, xxx_symfile_read):
Pass pointer to struct objfile rather than pointer to sym_fns.
Change references inside each function accordingly. Allocate any
symbol file specific info in the per-objfile memory region.
* dbxread.c (free_and_init_header_files): Break function into
free_header_files(), called from dbx_symfile_finish(), and
init_header_files(), called from dbx_new_init().
* dbxread.c (dbx_new_init): Move deallocation things to new
dbx_symfile_finish function.
* elfread.c (elf_new_init): Call buildsym_new_init().
* objfiles.c (free_objfile): Call the appropriate symfile_finish()
routine for the objfile before deallocating other stuff.
* sparc-tdep.c (get_longjmp_target): Cast target_read_memory arg.
* symfile.h: Move struct sym_fns to before struct objfile def.
Add sym_finish function pointer and change prototypes of other
function pointers to reflect passing struct objfile pointer rather
than struct sym_fns pointer.
* symfile.c: Remove now obsolete symtab_fns pointer.
* symfile.c (symfile_init): Renamed to find_sym_fns, and now only
locates the correct sym_fns struct for the given objfile.
* symfile.c (syms_from_objfile, symbol_file_add): Restructured
for better support of mapped symbol tables.
* symfile.c (symbol_file_command): Remove obsolete code using
symfile_fns.
* symfile.h: Remove duplicate declarations for symfile_objfile,
entry_point, and object_files.
* target.c (target_info): Compare symfile_objfile to NULL.
* xcoffread.c (aixcoff_new_init): Move deallocation stuff to
aixcoff_symfile_finish().
1992-03-20 05:57:15 +08:00
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static void
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elf_symfile_finish PARAMS ((struct objfile *));
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1992-02-22 09:46:16 +08:00
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static void
|
1994-04-22 01:09:31 +08:00
|
|
|
|
elf_symtab_read PARAMS ((bfd *, CORE_ADDR, struct objfile *, int));
|
1992-02-22 09:46:16 +08:00
|
|
|
|
|
1992-07-04 21:59:03 +08:00
|
|
|
|
static void
|
1993-10-03 09:50:53 +08:00
|
|
|
|
free_elfinfo PARAMS ((void *));
|
1992-07-04 21:59:03 +08:00
|
|
|
|
|
* config/sparc/tm-sun4sol2.h, dbxread.c: Rename
N_SO_ADDRESS_MAYBE_MISSING to SOFUN_ADDRESS_MAYBE_MISSING.
* symtab.h (minimal_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]: Add
filename field.
* elfread.c (record_minimal_symbol_and_info),
minsyms.c, symtab.h (prim_record_minimal_symbol_and_info): Return
newly created symbol.
* elfread.c (elf_symtab_read) [SOFUN_ADDRESS_MAYBE_MISSING]:
Set filename field of minimal symbol.
* symmisc.c (dump_msymbols) [SOFUN_ADDRESS_MAYBE_MISSING]:
Print filename field.
* minsyms.c, symtab.h (lookup_minimal_symbol): New arg sfile.
* symm-tdep.c, somsolib.c, hppa-tdep.c, c-exp.y, f-exp.y,
m2-exp.y, nindy-tdep.c, m3-nat.c, irix5-nat.c, hpread.c,
os9kread.c, breakpoint.c, alpha-tdep.c, valops.c, symtab.c,
printcmd.c, dbxread.c: Change callers to pass NULL for sfile.
* dbxread.c (process_one_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]:
Find address of function from minimal symbols.
* partial-stab.h, case 'f', 'F': Call find_stab_function_addr
instead of getting pst->textlow from the stab.
* minsyms.c (find_stab_function_addr): New function.
1995-02-09 15:00:45 +08:00
|
|
|
|
static struct minimal_symbol *
|
* dbxread.c, i386-pinsn.c, i386-tdep.c, regex.c, solib.c, symmisc.c,
symtab.h, tm-i386v4.h, valprint.c, values.c: Lint.
* breakpoint.c, c-exp.y, coffread.c, command.c, environ.c, eval.c,
findvar.c, infcmd.c, infptrace.c, infrun.c, m2-exp.y, parse.c,
putenv.c, solib.c, sparc-xdep.c, symtab.c, tm-i386v.h, tm-sparc.h,
utils.c, valarith.c, valops.c, valprint.c, values.c:
Replace bcopy() use with memcpy(), which is more standard and can
take advantage of gcc's builtin functions for increased performance.
* breakpoint.c, buildsym.c, coffread.c, dbxread.c, i386-tdep.c,
ieee-float.c, infcmd.c, sparc-tdep.c, stack.c, symtab.c, symtab.h,
target.c, values.c:
Replace bzero() use with memset(), which is more standard and can
take advantage of gcc's builtin functions for increased performance.
* i386-tdep.c, main.c, valprint.c:
Replace bcmp() use with memcmp(), which is more standard and can
take advantage of gcc's builtin functions for increased performance.
1992-06-30 07:34:38 +08:00
|
|
|
|
record_minimal_symbol_and_info PARAMS ((char *, CORE_ADDR,
|
|
|
|
|
enum minimal_symbol_type, char *,
|
|
|
|
|
struct objfile *));
|
1992-02-22 09:46:16 +08:00
|
|
|
|
|
|
|
|
|
static void
|
1993-10-03 09:50:53 +08:00
|
|
|
|
elf_locate_sections PARAMS ((bfd *, asection *, void *));
|
1992-02-22 09:46:16 +08:00
|
|
|
|
|
1991-10-24 19:28:54 +08:00
|
|
|
|
/* We are called once per section from elf_symfile_read. We
|
|
|
|
|
need to examine each section we are passed, check to see
|
|
|
|
|
if it is something we are interested in processing, and
|
|
|
|
|
if so, stash away some access information for the section.
|
|
|
|
|
|
|
|
|
|
For now we recognize the dwarf debug information sections and
|
|
|
|
|
line number sections from matching their section names. The
|
|
|
|
|
ELF definition is no real help here since it has no direct
|
|
|
|
|
knowledge of DWARF (by design, so any debugging format can be
|
|
|
|
|
used).
|
|
|
|
|
|
1992-06-13 15:24:30 +08:00
|
|
|
|
We also recognize the ".stab" sections used by the Sun compilers
|
|
|
|
|
released with Solaris 2.
|
|
|
|
|
|
1993-09-29 12:25:15 +08:00
|
|
|
|
FIXME: The section names should not be hardwired strings (what
|
|
|
|
|
should they be? I don't think most object file formats have enough
|
|
|
|
|
section flags to specify what kind of debug section it is
|
|
|
|
|
-kingdon). */
|
1991-10-24 19:28:54 +08:00
|
|
|
|
|
|
|
|
|
static void
|
1992-03-30 07:26:47 +08:00
|
|
|
|
elf_locate_sections (ignore_abfd, sectp, eip)
|
|
|
|
|
bfd *ignore_abfd;
|
1992-02-22 09:46:16 +08:00
|
|
|
|
asection *sectp;
|
|
|
|
|
PTR eip;
|
1991-10-24 19:28:54 +08:00
|
|
|
|
{
|
1992-02-22 09:46:16 +08:00
|
|
|
|
register struct elfinfo *ei;
|
|
|
|
|
|
|
|
|
|
ei = (struct elfinfo *) eip;
|
1991-10-24 19:28:54 +08:00
|
|
|
|
if (STREQ (sectp -> name, ".debug"))
|
|
|
|
|
{
|
|
|
|
|
ei -> dboffset = sectp -> filepos;
|
1992-01-25 07:13:14 +08:00
|
|
|
|
ei -> dbsize = bfd_get_section_size_before_reloc (sectp);
|
1991-10-24 19:28:54 +08:00
|
|
|
|
}
|
|
|
|
|
else if (STREQ (sectp -> name, ".line"))
|
|
|
|
|
{
|
|
|
|
|
ei -> lnoffset = sectp -> filepos;
|
1992-01-25 07:13:14 +08:00
|
|
|
|
ei -> lnsize = bfd_get_section_size_before_reloc (sectp);
|
1991-10-24 19:28:54 +08:00
|
|
|
|
}
|
1992-06-13 15:24:30 +08:00
|
|
|
|
else if (STREQ (sectp -> name, ".stab"))
|
|
|
|
|
{
|
|
|
|
|
ei -> stabsect = sectp;
|
|
|
|
|
}
|
|
|
|
|
else if (STREQ (sectp -> name, ".stab.index"))
|
|
|
|
|
{
|
|
|
|
|
ei -> stabindexsect = sectp;
|
|
|
|
|
}
|
1993-12-07 01:31:05 +08:00
|
|
|
|
else if (STREQ (sectp -> name, ".mdebug"))
|
|
|
|
|
{
|
|
|
|
|
ei -> mdebugsect = sectp;
|
|
|
|
|
}
|
1991-10-24 19:28:54 +08:00
|
|
|
|
}
|
|
|
|
|
|
1992-02-22 09:46:16 +08:00
|
|
|
|
#if 0 /* Currently unused */
|
|
|
|
|
|
1991-12-17 04:57:28 +08:00
|
|
|
|
char *
|
1992-02-22 09:46:16 +08:00
|
|
|
|
elf_interpreter (abfd)
|
|
|
|
|
bfd *abfd;
|
1991-12-17 04:57:28 +08:00
|
|
|
|
{
|
|
|
|
|
sec_ptr interp_sec;
|
|
|
|
|
unsigned size;
|
|
|
|
|
char *interp = NULL;
|
|
|
|
|
|
|
|
|
|
interp_sec = bfd_get_section_by_name (abfd, ".interp");
|
|
|
|
|
if (interp_sec)
|
|
|
|
|
{
|
|
|
|
|
size = bfd_section_size (abfd, interp_sec);
|
|
|
|
|
interp = alloca (size);
|
|
|
|
|
if (bfd_get_section_contents (abfd, interp_sec, interp, (file_ptr)0,
|
|
|
|
|
size))
|
|
|
|
|
{
|
|
|
|
|
interp = savestring (interp, size - 1);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
interp = NULL;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return (interp);
|
|
|
|
|
}
|
|
|
|
|
|
1992-02-22 09:46:16 +08:00
|
|
|
|
#endif
|
|
|
|
|
|
* config/sparc/tm-sun4sol2.h, dbxread.c: Rename
N_SO_ADDRESS_MAYBE_MISSING to SOFUN_ADDRESS_MAYBE_MISSING.
* symtab.h (minimal_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]: Add
filename field.
* elfread.c (record_minimal_symbol_and_info),
minsyms.c, symtab.h (prim_record_minimal_symbol_and_info): Return
newly created symbol.
* elfread.c (elf_symtab_read) [SOFUN_ADDRESS_MAYBE_MISSING]:
Set filename field of minimal symbol.
* symmisc.c (dump_msymbols) [SOFUN_ADDRESS_MAYBE_MISSING]:
Print filename field.
* minsyms.c, symtab.h (lookup_minimal_symbol): New arg sfile.
* symm-tdep.c, somsolib.c, hppa-tdep.c, c-exp.y, f-exp.y,
m2-exp.y, nindy-tdep.c, m3-nat.c, irix5-nat.c, hpread.c,
os9kread.c, breakpoint.c, alpha-tdep.c, valops.c, symtab.c,
printcmd.c, dbxread.c: Change callers to pass NULL for sfile.
* dbxread.c (process_one_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]:
Find address of function from minimal symbols.
* partial-stab.h, case 'f', 'F': Call find_stab_function_addr
instead of getting pst->textlow from the stab.
* minsyms.c (find_stab_function_addr): New function.
1995-02-09 15:00:45 +08:00
|
|
|
|
static struct minimal_symbol *
|
1992-06-13 15:24:30 +08:00
|
|
|
|
record_minimal_symbol_and_info (name, address, ms_type, info, objfile)
|
|
|
|
|
char *name;
|
|
|
|
|
CORE_ADDR address;
|
|
|
|
|
enum minimal_symbol_type ms_type;
|
|
|
|
|
char *info; /* FIXME, is this really char *? */
|
|
|
|
|
struct objfile *objfile;
|
|
|
|
|
{
|
1993-09-22 05:21:35 +08:00
|
|
|
|
int section;
|
|
|
|
|
|
|
|
|
|
/* Guess the section from the type. This is likely to be wrong in
|
|
|
|
|
some cases. */
|
|
|
|
|
switch (ms_type)
|
|
|
|
|
{
|
|
|
|
|
case mst_text:
|
|
|
|
|
case mst_file_text:
|
|
|
|
|
section = SECT_OFF_TEXT;
|
1994-01-29 00:25:25 +08:00
|
|
|
|
#ifdef SMASH_TEXT_ADDRESS
|
|
|
|
|
SMASH_TEXT_ADDRESS (address);
|
|
|
|
|
#endif
|
1993-09-22 05:21:35 +08:00
|
|
|
|
break;
|
|
|
|
|
case mst_data:
|
|
|
|
|
case mst_file_data:
|
|
|
|
|
section = SECT_OFF_DATA;
|
|
|
|
|
break;
|
|
|
|
|
case mst_bss:
|
|
|
|
|
case mst_file_bss:
|
|
|
|
|
section = SECT_OFF_BSS;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
section = -1;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
* config/sparc/tm-sun4sol2.h, dbxread.c: Rename
N_SO_ADDRESS_MAYBE_MISSING to SOFUN_ADDRESS_MAYBE_MISSING.
* symtab.h (minimal_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]: Add
filename field.
* elfread.c (record_minimal_symbol_and_info),
minsyms.c, symtab.h (prim_record_minimal_symbol_and_info): Return
newly created symbol.
* elfread.c (elf_symtab_read) [SOFUN_ADDRESS_MAYBE_MISSING]:
Set filename field of minimal symbol.
* symmisc.c (dump_msymbols) [SOFUN_ADDRESS_MAYBE_MISSING]:
Print filename field.
* minsyms.c, symtab.h (lookup_minimal_symbol): New arg sfile.
* symm-tdep.c, somsolib.c, hppa-tdep.c, c-exp.y, f-exp.y,
m2-exp.y, nindy-tdep.c, m3-nat.c, irix5-nat.c, hpread.c,
os9kread.c, breakpoint.c, alpha-tdep.c, valops.c, symtab.c,
printcmd.c, dbxread.c: Change callers to pass NULL for sfile.
* dbxread.c (process_one_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]:
Find address of function from minimal symbols.
* partial-stab.h, case 'f', 'F': Call find_stab_function_addr
instead of getting pst->textlow from the stab.
* minsyms.c (find_stab_function_addr): New function.
1995-02-09 15:00:45 +08:00
|
|
|
|
return prim_record_minimal_symbol_and_info
|
|
|
|
|
(name, address, ms_type, info, section, objfile);
|
1992-06-13 15:24:30 +08:00
|
|
|
|
}
|
|
|
|
|
|
1991-12-17 04:57:28 +08:00
|
|
|
|
/*
|
|
|
|
|
|
|
|
|
|
LOCAL FUNCTION
|
|
|
|
|
|
|
|
|
|
elf_symtab_read -- read the symbol table of an ELF file
|
|
|
|
|
|
|
|
|
|
SYNOPSIS
|
|
|
|
|
|
1992-03-30 07:26:47 +08:00
|
|
|
|
void elf_symtab_read (bfd *abfd, CORE_ADDR addr,
|
1995-03-10 19:21:32 +08:00
|
|
|
|
struct objfile *objfile, int dynamic)
|
1991-12-17 04:57:28 +08:00
|
|
|
|
|
|
|
|
|
DESCRIPTION
|
|
|
|
|
|
|
|
|
|
Given an open bfd, a base address to relocate symbols to, and a
|
|
|
|
|
flag that specifies whether or not this bfd is for an executable
|
|
|
|
|
or not (may be shared library for example), add all the global
|
1992-02-22 09:46:16 +08:00
|
|
|
|
function and data symbols to the minimal symbol table.
|
1991-12-17 04:57:28 +08:00
|
|
|
|
|
1992-07-04 21:59:03 +08:00
|
|
|
|
In stabs-in-ELF, as implemented by Sun, there are some local symbols
|
|
|
|
|
defined in the ELF symbol table, which can be used to locate
|
|
|
|
|
the beginnings of sections from each ".o" file that was linked to
|
|
|
|
|
form the executable objfile. We gather any such info and record it
|
|
|
|
|
in data structures hung off the objfile's private data.
|
|
|
|
|
|
1991-12-17 04:57:28 +08:00
|
|
|
|
*/
|
|
|
|
|
|
1991-11-15 11:36:45 +08:00
|
|
|
|
static void
|
1994-04-22 01:09:31 +08:00
|
|
|
|
elf_symtab_read (abfd, addr, objfile, dynamic)
|
1992-02-22 09:46:16 +08:00
|
|
|
|
bfd *abfd;
|
|
|
|
|
CORE_ADDR addr;
|
|
|
|
|
struct objfile *objfile;
|
1994-04-22 01:09:31 +08:00
|
|
|
|
int dynamic;
|
1991-11-15 11:36:45 +08:00
|
|
|
|
{
|
1994-03-31 06:10:18 +08:00
|
|
|
|
long storage_needed;
|
1991-11-15 11:36:45 +08:00
|
|
|
|
asymbol *sym;
|
|
|
|
|
asymbol **symbol_table;
|
1994-03-31 06:10:18 +08:00
|
|
|
|
long number_of_symbols;
|
|
|
|
|
long i;
|
1992-07-04 21:59:03 +08:00
|
|
|
|
int index;
|
1991-11-15 11:36:45 +08:00
|
|
|
|
struct cleanup *back_to;
|
1991-12-17 04:57:28 +08:00
|
|
|
|
CORE_ADDR symaddr;
|
1992-02-22 09:46:16 +08:00
|
|
|
|
enum minimal_symbol_type ms_type;
|
1993-08-08 08:30:07 +08:00
|
|
|
|
/* If sectinfo is nonNULL, it contains section info that should end up
|
1992-07-04 21:59:03 +08:00
|
|
|
|
filed in the objfile. */
|
1993-08-08 08:30:07 +08:00
|
|
|
|
struct stab_section_info *sectinfo = NULL;
|
1992-07-04 21:59:03 +08:00
|
|
|
|
/* If filesym is nonzero, it points to a file symbol, but we haven't
|
|
|
|
|
seen any section info for it yet. */
|
|
|
|
|
asymbol *filesym = 0;
|
* config/sparc/tm-sun4sol2.h, dbxread.c: Rename
N_SO_ADDRESS_MAYBE_MISSING to SOFUN_ADDRESS_MAYBE_MISSING.
* symtab.h (minimal_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]: Add
filename field.
* elfread.c (record_minimal_symbol_and_info),
minsyms.c, symtab.h (prim_record_minimal_symbol_and_info): Return
newly created symbol.
* elfread.c (elf_symtab_read) [SOFUN_ADDRESS_MAYBE_MISSING]:
Set filename field of minimal symbol.
* symmisc.c (dump_msymbols) [SOFUN_ADDRESS_MAYBE_MISSING]:
Print filename field.
* minsyms.c, symtab.h (lookup_minimal_symbol): New arg sfile.
* symm-tdep.c, somsolib.c, hppa-tdep.c, c-exp.y, f-exp.y,
m2-exp.y, nindy-tdep.c, m3-nat.c, irix5-nat.c, hpread.c,
os9kread.c, breakpoint.c, alpha-tdep.c, valops.c, symtab.c,
printcmd.c, dbxread.c: Change callers to pass NULL for sfile.
* dbxread.c (process_one_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]:
Find address of function from minimal symbols.
* partial-stab.h, case 'f', 'F': Call find_stab_function_addr
instead of getting pst->textlow from the stab.
* minsyms.c (find_stab_function_addr): New function.
1995-02-09 15:00:45 +08:00
|
|
|
|
#ifdef SOFUN_ADDRESS_MAYBE_MISSING
|
|
|
|
|
/* Name of filesym, as saved on the symbol_obstack. */
|
1995-03-10 19:21:32 +08:00
|
|
|
|
char *filesymname = obsavestring ("", 0, &objfile->symbol_obstack);
|
* config/sparc/tm-sun4sol2.h, dbxread.c: Rename
N_SO_ADDRESS_MAYBE_MISSING to SOFUN_ADDRESS_MAYBE_MISSING.
* symtab.h (minimal_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]: Add
filename field.
* elfread.c (record_minimal_symbol_and_info),
minsyms.c, symtab.h (prim_record_minimal_symbol_and_info): Return
newly created symbol.
* elfread.c (elf_symtab_read) [SOFUN_ADDRESS_MAYBE_MISSING]:
Set filename field of minimal symbol.
* symmisc.c (dump_msymbols) [SOFUN_ADDRESS_MAYBE_MISSING]:
Print filename field.
* minsyms.c, symtab.h (lookup_minimal_symbol): New arg sfile.
* symm-tdep.c, somsolib.c, hppa-tdep.c, c-exp.y, f-exp.y,
m2-exp.y, nindy-tdep.c, m3-nat.c, irix5-nat.c, hpread.c,
os9kread.c, breakpoint.c, alpha-tdep.c, valops.c, symtab.c,
printcmd.c, dbxread.c: Change callers to pass NULL for sfile.
* dbxread.c (process_one_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]:
Find address of function from minimal symbols.
* partial-stab.h, case 'f', 'F': Call find_stab_function_addr
instead of getting pst->textlow from the stab.
* minsyms.c (find_stab_function_addr): New function.
1995-02-09 15:00:45 +08:00
|
|
|
|
#endif
|
1992-07-04 21:59:03 +08:00
|
|
|
|
struct dbx_symfile_info *dbx = (struct dbx_symfile_info *)
|
1993-10-04 07:04:25 +08:00
|
|
|
|
objfile->sym_stab_info;
|
1993-08-08 08:30:07 +08:00
|
|
|
|
unsigned long size;
|
1994-04-22 01:09:31 +08:00
|
|
|
|
int stripped = (bfd_get_symcount (abfd) == 0);
|
|
|
|
|
|
|
|
|
|
if (dynamic)
|
1994-07-17 14:42:14 +08:00
|
|
|
|
{
|
|
|
|
|
storage_needed = bfd_get_dynamic_symtab_upper_bound (abfd);
|
|
|
|
|
|
|
|
|
|
/* Nothing to be done if there is no dynamic symtab. */
|
|
|
|
|
if (storage_needed < 0)
|
|
|
|
|
return;
|
|
|
|
|
}
|
1994-04-22 01:09:31 +08:00
|
|
|
|
else
|
1994-07-17 14:42:14 +08:00
|
|
|
|
{
|
|
|
|
|
storage_needed = bfd_get_symtab_upper_bound (abfd);
|
|
|
|
|
if (storage_needed < 0)
|
|
|
|
|
error ("Can't read symbols from %s: %s", bfd_get_filename (abfd),
|
|
|
|
|
bfd_errmsg (bfd_get_error ()));
|
|
|
|
|
}
|
1991-11-15 11:36:45 +08:00
|
|
|
|
if (storage_needed > 0)
|
|
|
|
|
{
|
1992-04-01 00:16:41 +08:00
|
|
|
|
symbol_table = (asymbol **) xmalloc (storage_needed);
|
1991-11-15 11:36:45 +08:00
|
|
|
|
back_to = make_cleanup (free, symbol_table);
|
1994-04-22 01:09:31 +08:00
|
|
|
|
if (dynamic)
|
|
|
|
|
number_of_symbols = bfd_canonicalize_dynamic_symtab (abfd,
|
|
|
|
|
symbol_table);
|
|
|
|
|
else
|
|
|
|
|
number_of_symbols = bfd_canonicalize_symtab (abfd, symbol_table);
|
1994-03-31 06:10:18 +08:00
|
|
|
|
if (number_of_symbols < 0)
|
|
|
|
|
error ("Can't read symbols from %s: %s", bfd_get_filename (abfd),
|
|
|
|
|
bfd_errmsg (bfd_get_error ()));
|
1991-11-15 11:36:45 +08:00
|
|
|
|
for (i = 0; i < number_of_symbols; i++)
|
|
|
|
|
{
|
1992-07-04 21:59:03 +08:00
|
|
|
|
sym = symbol_table[i];
|
1993-08-08 08:30:07 +08:00
|
|
|
|
if (sym -> name == NULL || *sym -> name == '\0')
|
1993-08-08 04:27:19 +08:00
|
|
|
|
{
|
1993-08-08 08:30:07 +08:00
|
|
|
|
/* Skip names that don't exist (shouldn't happen), or names
|
|
|
|
|
that are null strings (may happen). */
|
1993-08-08 04:27:19 +08:00
|
|
|
|
continue;
|
|
|
|
|
}
|
1994-04-22 01:09:31 +08:00
|
|
|
|
|
1995-03-10 19:21:32 +08:00
|
|
|
|
if (dynamic
|
|
|
|
|
&& sym -> section == &bfd_und_section
|
1995-01-29 05:43:51 +08:00
|
|
|
|
&& (sym -> flags & BSF_FUNCTION))
|
|
|
|
|
{
|
1995-03-10 19:21:32 +08:00
|
|
|
|
struct minimal_symbol *msym;
|
|
|
|
|
|
1995-01-29 05:43:51 +08:00
|
|
|
|
/* Symbol is a reference to a function defined in
|
|
|
|
|
a shared library.
|
|
|
|
|
If its value is non zero then it is usually the address
|
|
|
|
|
of the corresponding entry in the procedure linkage table,
|
|
|
|
|
relative to the base address.
|
|
|
|
|
If its value is zero then the dynamic linker has to resolve
|
|
|
|
|
the symbol. We are unable to find any meaningful address
|
1995-03-10 19:21:32 +08:00
|
|
|
|
for this symbol in the executable file, so we skip it. */
|
1995-01-29 05:43:51 +08:00
|
|
|
|
symaddr = sym -> value;
|
|
|
|
|
if (symaddr == 0)
|
|
|
|
|
continue;
|
|
|
|
|
symaddr += addr;
|
1995-03-10 19:21:32 +08:00
|
|
|
|
msym = record_minimal_symbol_and_info
|
|
|
|
|
((char *) sym -> name, symaddr,
|
|
|
|
|
mst_solib_trampoline, NULL, objfile);
|
|
|
|
|
#ifdef SOFUN_ADDRESS_MAYBE_MISSING
|
* dache.c (struct dcache_block): Change data member from unsigned char
to char, since everything passed in and out of dcache is char or casted
to appropriate type anyway.
(dcache_alloc): Move assignment of db out of test and combine separate
tests into if-else.
(dcache_peek_byte): Change ptr from unsigned char* to char*.
(dcache_peek_byte): Remove now unnecessary cast in read_memory call.
(dcache_peek): Change cast of incoming data arg.
(dcache_poke): Change cast of addr of incoming data arg.
(dcache_info): Mask data passed to printf_filtered to lsbyte only.
(dcache_info): Change printf_filtered arg from "% 2x" to " %2x".
* target.c (debug_to_thread_alive): Change return type to int and
return zero, for type compatibility with other *_thread_alive funcs.
(cleanup_target): Change cast of ignore function to match type of the
to_thread_alive member.
* defs.h (error_hook): Add ATTR_NORETURN.
* defs.h (NORETURN, ATTR_NORETURN): Switch from volatile to
__attribute__ method with gcc 2.7, to avoid gcc 2.6.3 bug.
* remote.c (remote_wait): Cast first arg to strtol, strchr, and strncmp
to "const char *" from "unsigned char *".
(remote_wait): Cast arg to putpkt and strcpy from "unsigned char *" to
"char *".
(remote_wait): Change printf format for long arg from "%d" to "%ld".
(getpkt): Remove unused variable "bp".
(remote_fetch_word, remote_store_word): Ifdef out apparently unused
functions.
* breakpoint.c (watchpoint_check): Removed unused variables
"saved_level" and "saved_frame".
* valops.c (value_arg_coerce): Add other enum TYPE_CODE_* and
default cases to switch for completeness.
* infrun.c (wait_for_inferior): Enclose "have_waited" label
in #ifdef that matches the one in which it is referenced.
* ser-unix.c (hardwire_noflush_set_tty_state): Enclose otherwise
unused variable "state" in #ifdef that matches one in which it is
referenced.
* eval.c (evaluate_subexp_standard): Remove unused variable "var".
* eval.c (evaluate_subexp_standard): Remove unused variable "tmp_symbol".
* valarith.c (value_subscript): Remove unused variable "lowerbound",
which is redeclared in a nested scope prior to use.
* printcmd.c (print_frame_nameless_args): Use "%ld" to print long
arg, not "%d".
* {mem-break.c, remote-pa.c, remote.c, saber.suppress}:
Remove unused static var "check_break_insn_size".
* buildsym.c (finish_block): Add other enum LOC_* and default
cases to switch for completeness.
ch-lang.c (type_lower_upper): Removed unused label "retry".
Add other enum TYPE_* and default cases to switch for completeness.
* f-typeprint.c (f_type_print_args): Ifdef out unused function
that may be used someday when Fortran support is complete.
* ch-valprint.c (chill_print_type_scalar): Add other enum
TYPE_* and default cases to switch for completeness.
(chill_val_print): Remove unused local var "high_bound" that
is redeclared in a nested scope prior to use.
(chill_var_print): Use "%ld" to print long arg, not "%d".
* regex.c (re_compile_fastmap, re_match_2): Add remaining enum types
and default to switches for completeness.
* minsyms.c (lookup_minimal_symbol_text): Delete unused variable
"trampoline_symbol".
(prim_record_minimal_symbol_and_info): Return NULL rather than trash.
* elfread.c (elf_symtab_read): Don't dereference NULL returns from
record_minimal_symbol_and_info.
* f-lang.c (saved_function_list_end): Ifdef out unused variable
that may be used someday.
* f-valprint.c (f_val_print): Remove unused local variable "straddr".
1995-07-18 12:38:06 +08:00
|
|
|
|
if (msym != NULL)
|
|
|
|
|
msym->filename = filesymname;
|
1995-03-10 19:21:32 +08:00
|
|
|
|
#endif
|
1995-01-29 05:43:51 +08:00
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
1994-04-22 01:09:31 +08:00
|
|
|
|
/* If it is a nonstripped executable, do not enter dynamic
|
|
|
|
|
symbols, as the dynamic symbol table is usually a subset
|
1995-01-29 05:43:51 +08:00
|
|
|
|
of the main symbol table. */
|
|
|
|
|
if (dynamic && !stripped)
|
1994-04-22 01:09:31 +08:00
|
|
|
|
continue;
|
1993-08-08 08:30:07 +08:00
|
|
|
|
if (sym -> flags & BSF_FILE)
|
|
|
|
|
{
|
|
|
|
|
/* STT_FILE debugging symbol that helps stabs-in-elf debugging.
|
|
|
|
|
Chain any old one onto the objfile; remember new sym. */
|
|
|
|
|
if (sectinfo != NULL)
|
|
|
|
|
{
|
|
|
|
|
sectinfo -> next = dbx -> stab_section_info;
|
|
|
|
|
dbx -> stab_section_info = sectinfo;
|
|
|
|
|
sectinfo = NULL;
|
|
|
|
|
}
|
|
|
|
|
filesym = sym;
|
* config/sparc/tm-sun4sol2.h, dbxread.c: Rename
N_SO_ADDRESS_MAYBE_MISSING to SOFUN_ADDRESS_MAYBE_MISSING.
* symtab.h (minimal_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]: Add
filename field.
* elfread.c (record_minimal_symbol_and_info),
minsyms.c, symtab.h (prim_record_minimal_symbol_and_info): Return
newly created symbol.
* elfread.c (elf_symtab_read) [SOFUN_ADDRESS_MAYBE_MISSING]:
Set filename field of minimal symbol.
* symmisc.c (dump_msymbols) [SOFUN_ADDRESS_MAYBE_MISSING]:
Print filename field.
* minsyms.c, symtab.h (lookup_minimal_symbol): New arg sfile.
* symm-tdep.c, somsolib.c, hppa-tdep.c, c-exp.y, f-exp.y,
m2-exp.y, nindy-tdep.c, m3-nat.c, irix5-nat.c, hpread.c,
os9kread.c, breakpoint.c, alpha-tdep.c, valops.c, symtab.c,
printcmd.c, dbxread.c: Change callers to pass NULL for sfile.
* dbxread.c (process_one_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]:
Find address of function from minimal symbols.
* partial-stab.h, case 'f', 'F': Call find_stab_function_addr
instead of getting pst->textlow from the stab.
* minsyms.c (find_stab_function_addr): New function.
1995-02-09 15:00:45 +08:00
|
|
|
|
#ifdef SOFUN_ADDRESS_MAYBE_MISSING
|
|
|
|
|
filesymname =
|
|
|
|
|
obsavestring ((char *)filesym->name, strlen (filesym->name),
|
|
|
|
|
&objfile->symbol_obstack);
|
|
|
|
|
#endif
|
1993-08-08 08:30:07 +08:00
|
|
|
|
}
|
|
|
|
|
else if (sym -> flags & (BSF_GLOBAL | BSF_LOCAL | BSF_WEAK))
|
1991-11-15 11:36:45 +08:00
|
|
|
|
{
|
* config/sparc/tm-sun4sol2.h, dbxread.c: Rename
N_SO_ADDRESS_MAYBE_MISSING to SOFUN_ADDRESS_MAYBE_MISSING.
* symtab.h (minimal_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]: Add
filename field.
* elfread.c (record_minimal_symbol_and_info),
minsyms.c, symtab.h (prim_record_minimal_symbol_and_info): Return
newly created symbol.
* elfread.c (elf_symtab_read) [SOFUN_ADDRESS_MAYBE_MISSING]:
Set filename field of minimal symbol.
* symmisc.c (dump_msymbols) [SOFUN_ADDRESS_MAYBE_MISSING]:
Print filename field.
* minsyms.c, symtab.h (lookup_minimal_symbol): New arg sfile.
* symm-tdep.c, somsolib.c, hppa-tdep.c, c-exp.y, f-exp.y,
m2-exp.y, nindy-tdep.c, m3-nat.c, irix5-nat.c, hpread.c,
os9kread.c, breakpoint.c, alpha-tdep.c, valops.c, symtab.c,
printcmd.c, dbxread.c: Change callers to pass NULL for sfile.
* dbxread.c (process_one_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]:
Find address of function from minimal symbols.
* partial-stab.h, case 'f', 'F': Call find_stab_function_addr
instead of getting pst->textlow from the stab.
* minsyms.c (find_stab_function_addr): New function.
1995-02-09 15:00:45 +08:00
|
|
|
|
struct minimal_symbol *msym;
|
|
|
|
|
|
1993-08-08 08:30:07 +08:00
|
|
|
|
/* Select global/local/weak symbols. Note that bfd puts abs
|
|
|
|
|
symbols in their own section, so all symbols we are
|
|
|
|
|
interested in will have a section. */
|
1993-06-11 04:31:47 +08:00
|
|
|
|
/* Bfd symbols are section relative. */
|
|
|
|
|
symaddr = sym -> value + sym -> section -> vma;
|
1992-03-28 07:56:15 +08:00
|
|
|
|
/* Relocate all non-absolute symbols by base address. */
|
|
|
|
|
if (sym -> section != &bfd_abs_section)
|
1993-08-08 08:30:07 +08:00
|
|
|
|
{
|
|
|
|
|
symaddr += addr;
|
|
|
|
|
}
|
1991-12-17 04:57:28 +08:00
|
|
|
|
/* For non-absolute symbols, use the type of the section
|
|
|
|
|
they are relative to, to intuit text/data. Bfd provides
|
|
|
|
|
no way of figuring this out for absolute symbols. */
|
1995-01-29 05:43:51 +08:00
|
|
|
|
if (sym -> section == &bfd_abs_section)
|
1993-08-08 08:30:07 +08:00
|
|
|
|
{
|
1994-04-22 01:09:31 +08:00
|
|
|
|
/* This is a hack to get the minimal symbol type
|
|
|
|
|
right for Irix 5, which has absolute adresses
|
|
|
|
|
with special section indices for dynamic symbols. */
|
|
|
|
|
unsigned short shndx =
|
|
|
|
|
((elf_symbol_type *) sym)->internal_elf_sym.st_shndx;
|
|
|
|
|
|
|
|
|
|
switch (shndx)
|
|
|
|
|
{
|
|
|
|
|
case SHN_MIPS_TEXT:
|
|
|
|
|
ms_type = mst_text;
|
|
|
|
|
break;
|
|
|
|
|
case SHN_MIPS_DATA:
|
|
|
|
|
ms_type = mst_data;
|
|
|
|
|
break;
|
|
|
|
|
case SHN_MIPS_ACOMMON:
|
|
|
|
|
ms_type = mst_bss;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
ms_type = mst_abs;
|
|
|
|
|
}
|
1993-08-08 08:30:07 +08:00
|
|
|
|
}
|
|
|
|
|
else if (sym -> section -> flags & SEC_CODE)
|
1991-12-17 04:57:28 +08:00
|
|
|
|
{
|
1993-08-08 04:27:19 +08:00
|
|
|
|
if (sym -> flags & BSF_GLOBAL)
|
|
|
|
|
{
|
|
|
|
|
ms_type = mst_text;
|
|
|
|
|
}
|
1994-07-27 06:22:38 +08:00
|
|
|
|
else if ((sym->name[0] == '.' && sym->name[1] == 'L')
|
|
|
|
|
|| ((sym -> flags & BSF_LOCAL)
|
1995-07-08 05:44:57 +08:00
|
|
|
|
&& sym->name[0] == '$'
|
1994-07-27 06:22:38 +08:00
|
|
|
|
&& sym->name[1] == 'L'))
|
1993-09-04 06:02:59 +08:00
|
|
|
|
/* Looks like a compiler-generated label. Skip it.
|
|
|
|
|
The assembler should be skipping these (to keep
|
|
|
|
|
executables small), but apparently with gcc on the
|
|
|
|
|
delta m88k SVR4, it loses. So to have us check too
|
|
|
|
|
should be harmless (but I encourage people to fix this
|
|
|
|
|
in the assembler instead of adding checks here). */
|
1993-09-04 00:27:35 +08:00
|
|
|
|
continue;
|
1996-07-20 05:16:13 +08:00
|
|
|
|
#ifdef HARRIS_TARGET
|
|
|
|
|
else if (sym->name[0] == '.' && sym->name[1] == '.')
|
|
|
|
|
{
|
|
|
|
|
/* Looks like a Harris compiler generated label for the
|
|
|
|
|
purpose of marking instructions that are relevant to
|
|
|
|
|
DWARF dies. The assembler can't get rid of these
|
|
|
|
|
because they are relocatable addresses that the
|
|
|
|
|
linker needs to resolve. */
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
1993-08-08 04:27:19 +08:00
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
ms_type = mst_file_text;
|
|
|
|
|
}
|
1991-12-17 04:57:28 +08:00
|
|
|
|
}
|
1993-10-25 00:41:11 +08:00
|
|
|
|
else if (sym -> section -> flags & SEC_ALLOC)
|
1991-12-17 04:57:28 +08:00
|
|
|
|
{
|
1993-08-08 04:27:19 +08:00
|
|
|
|
if (sym -> flags & BSF_GLOBAL)
|
|
|
|
|
{
|
1993-10-25 00:41:11 +08:00
|
|
|
|
if (sym -> section -> flags & SEC_LOAD)
|
1993-08-08 04:27:19 +08:00
|
|
|
|
{
|
|
|
|
|
ms_type = mst_data;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
ms_type = mst_bss;
|
|
|
|
|
}
|
|
|
|
|
}
|
1993-08-08 08:30:07 +08:00
|
|
|
|
else if (sym -> flags & BSF_LOCAL)
|
1993-08-08 04:27:19 +08:00
|
|
|
|
{
|
1993-08-08 08:30:07 +08:00
|
|
|
|
/* Named Local variable in a Data section. Check its
|
|
|
|
|
name for stabs-in-elf. The STREQ macro checks the
|
|
|
|
|
first character inline, so we only actually do a
|
|
|
|
|
strcmp function call on names that start with 'B'
|
|
|
|
|
or 'D' */
|
|
|
|
|
index = SECT_OFF_MAX;
|
|
|
|
|
if (STREQ ("Bbss.bss", sym -> name))
|
|
|
|
|
{
|
|
|
|
|
index = SECT_OFF_BSS;
|
|
|
|
|
}
|
|
|
|
|
else if (STREQ ("Ddata.data", sym -> name))
|
|
|
|
|
{
|
|
|
|
|
index = SECT_OFF_DATA;
|
|
|
|
|
}
|
|
|
|
|
else if (STREQ ("Drodata.rodata", sym -> name))
|
|
|
|
|
{
|
|
|
|
|
index = SECT_OFF_RODATA;
|
|
|
|
|
}
|
|
|
|
|
if (index != SECT_OFF_MAX)
|
|
|
|
|
{
|
|
|
|
|
/* Found a special local symbol. Allocate a
|
|
|
|
|
sectinfo, if needed, and fill it in. */
|
|
|
|
|
if (sectinfo == NULL)
|
|
|
|
|
{
|
|
|
|
|
sectinfo = (struct stab_section_info *)
|
|
|
|
|
xmmalloc (objfile -> md, sizeof (*sectinfo));
|
|
|
|
|
memset ((PTR) sectinfo, 0, sizeof (*sectinfo));
|
|
|
|
|
if (filesym == NULL)
|
|
|
|
|
{
|
|
|
|
|
complain (§ion_info_complaint,
|
|
|
|
|
sym -> name);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
sectinfo -> filename =
|
|
|
|
|
(char *) filesym -> name;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (sectinfo -> sections[index] != 0)
|
|
|
|
|
{
|
|
|
|
|
complain (§ion_info_dup_complaint,
|
|
|
|
|
sectinfo -> filename);
|
|
|
|
|
}
|
|
|
|
|
/* Bfd symbols are section relative. */
|
|
|
|
|
symaddr = sym -> value + sym -> section -> vma;
|
|
|
|
|
/* Relocate non-absolute symbols by base address. */
|
|
|
|
|
if (sym -> section != &bfd_abs_section)
|
|
|
|
|
{
|
|
|
|
|
symaddr += addr;
|
|
|
|
|
}
|
|
|
|
|
sectinfo -> sections[index] = symaddr;
|
|
|
|
|
/* The special local symbols don't go in the
|
|
|
|
|
minimal symbol table, so ignore this one. */
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
/* Not a special stabs-in-elf symbol, do regular
|
|
|
|
|
symbol processing. */
|
1993-10-25 00:41:11 +08:00
|
|
|
|
if (sym -> section -> flags & SEC_LOAD)
|
1993-08-08 04:27:19 +08:00
|
|
|
|
{
|
|
|
|
|
ms_type = mst_file_data;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
ms_type = mst_file_bss;
|
|
|
|
|
}
|
|
|
|
|
}
|
1993-08-08 08:30:07 +08:00
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
ms_type = mst_unknown;
|
|
|
|
|
}
|
1991-12-17 04:57:28 +08:00
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
1992-07-03 15:08:31 +08:00
|
|
|
|
/* FIXME: Solaris2 shared libraries include lots of
|
|
|
|
|
odd "absolute" and "undefined" symbols, that play
|
|
|
|
|
hob with actions like finding what function the PC
|
1993-08-08 04:27:19 +08:00
|
|
|
|
is in. Ignore them if they aren't text, data, or bss. */
|
1992-07-03 15:08:31 +08:00
|
|
|
|
/* ms_type = mst_unknown; */
|
|
|
|
|
continue; /* Skip this symbol. */
|
1991-12-17 04:57:28 +08:00
|
|
|
|
}
|
1992-06-13 15:24:30 +08:00
|
|
|
|
/* Pass symbol size field in via BFD. FIXME!!! */
|
1993-09-07 06:08:31 +08:00
|
|
|
|
size = ((elf_symbol_type *) sym) -> internal_elf_sym.st_size;
|
* config/sparc/tm-sun4sol2.h, dbxread.c: Rename
N_SO_ADDRESS_MAYBE_MISSING to SOFUN_ADDRESS_MAYBE_MISSING.
* symtab.h (minimal_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]: Add
filename field.
* elfread.c (record_minimal_symbol_and_info),
minsyms.c, symtab.h (prim_record_minimal_symbol_and_info): Return
newly created symbol.
* elfread.c (elf_symtab_read) [SOFUN_ADDRESS_MAYBE_MISSING]:
Set filename field of minimal symbol.
* symmisc.c (dump_msymbols) [SOFUN_ADDRESS_MAYBE_MISSING]:
Print filename field.
* minsyms.c, symtab.h (lookup_minimal_symbol): New arg sfile.
* symm-tdep.c, somsolib.c, hppa-tdep.c, c-exp.y, f-exp.y,
m2-exp.y, nindy-tdep.c, m3-nat.c, irix5-nat.c, hpread.c,
os9kread.c, breakpoint.c, alpha-tdep.c, valops.c, symtab.c,
printcmd.c, dbxread.c: Change callers to pass NULL for sfile.
* dbxread.c (process_one_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]:
Find address of function from minimal symbols.
* partial-stab.h, case 'f', 'F': Call find_stab_function_addr
instead of getting pst->textlow from the stab.
* minsyms.c (find_stab_function_addr): New function.
1995-02-09 15:00:45 +08:00
|
|
|
|
msym = record_minimal_symbol_and_info
|
|
|
|
|
((char *) sym -> name, symaddr,
|
|
|
|
|
ms_type, (PTR) size, objfile);
|
|
|
|
|
#ifdef SOFUN_ADDRESS_MAYBE_MISSING
|
* dache.c (struct dcache_block): Change data member from unsigned char
to char, since everything passed in and out of dcache is char or casted
to appropriate type anyway.
(dcache_alloc): Move assignment of db out of test and combine separate
tests into if-else.
(dcache_peek_byte): Change ptr from unsigned char* to char*.
(dcache_peek_byte): Remove now unnecessary cast in read_memory call.
(dcache_peek): Change cast of incoming data arg.
(dcache_poke): Change cast of addr of incoming data arg.
(dcache_info): Mask data passed to printf_filtered to lsbyte only.
(dcache_info): Change printf_filtered arg from "% 2x" to " %2x".
* target.c (debug_to_thread_alive): Change return type to int and
return zero, for type compatibility with other *_thread_alive funcs.
(cleanup_target): Change cast of ignore function to match type of the
to_thread_alive member.
* defs.h (error_hook): Add ATTR_NORETURN.
* defs.h (NORETURN, ATTR_NORETURN): Switch from volatile to
__attribute__ method with gcc 2.7, to avoid gcc 2.6.3 bug.
* remote.c (remote_wait): Cast first arg to strtol, strchr, and strncmp
to "const char *" from "unsigned char *".
(remote_wait): Cast arg to putpkt and strcpy from "unsigned char *" to
"char *".
(remote_wait): Change printf format for long arg from "%d" to "%ld".
(getpkt): Remove unused variable "bp".
(remote_fetch_word, remote_store_word): Ifdef out apparently unused
functions.
* breakpoint.c (watchpoint_check): Removed unused variables
"saved_level" and "saved_frame".
* valops.c (value_arg_coerce): Add other enum TYPE_CODE_* and
default cases to switch for completeness.
* infrun.c (wait_for_inferior): Enclose "have_waited" label
in #ifdef that matches the one in which it is referenced.
* ser-unix.c (hardwire_noflush_set_tty_state): Enclose otherwise
unused variable "state" in #ifdef that matches one in which it is
referenced.
* eval.c (evaluate_subexp_standard): Remove unused variable "var".
* eval.c (evaluate_subexp_standard): Remove unused variable "tmp_symbol".
* valarith.c (value_subscript): Remove unused variable "lowerbound",
which is redeclared in a nested scope prior to use.
* printcmd.c (print_frame_nameless_args): Use "%ld" to print long
arg, not "%d".
* {mem-break.c, remote-pa.c, remote.c, saber.suppress}:
Remove unused static var "check_break_insn_size".
* buildsym.c (finish_block): Add other enum LOC_* and default
cases to switch for completeness.
ch-lang.c (type_lower_upper): Removed unused label "retry".
Add other enum TYPE_* and default cases to switch for completeness.
* f-typeprint.c (f_type_print_args): Ifdef out unused function
that may be used someday when Fortran support is complete.
* ch-valprint.c (chill_print_type_scalar): Add other enum
TYPE_* and default cases to switch for completeness.
(chill_val_print): Remove unused local var "high_bound" that
is redeclared in a nested scope prior to use.
(chill_var_print): Use "%ld" to print long arg, not "%d".
* regex.c (re_compile_fastmap, re_match_2): Add remaining enum types
and default to switches for completeness.
* minsyms.c (lookup_minimal_symbol_text): Delete unused variable
"trampoline_symbol".
(prim_record_minimal_symbol_and_info): Return NULL rather than trash.
* elfread.c (elf_symtab_read): Don't dereference NULL returns from
record_minimal_symbol_and_info.
* f-lang.c (saved_function_list_end): Ifdef out unused variable
that may be used someday.
* f-valprint.c (f_val_print): Remove unused local variable "straddr".
1995-07-18 12:38:06 +08:00
|
|
|
|
if (msym != NULL)
|
|
|
|
|
msym->filename = filesymname;
|
* config/sparc/tm-sun4sol2.h, dbxread.c: Rename
N_SO_ADDRESS_MAYBE_MISSING to SOFUN_ADDRESS_MAYBE_MISSING.
* symtab.h (minimal_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]: Add
filename field.
* elfread.c (record_minimal_symbol_and_info),
minsyms.c, symtab.h (prim_record_minimal_symbol_and_info): Return
newly created symbol.
* elfread.c (elf_symtab_read) [SOFUN_ADDRESS_MAYBE_MISSING]:
Set filename field of minimal symbol.
* symmisc.c (dump_msymbols) [SOFUN_ADDRESS_MAYBE_MISSING]:
Print filename field.
* minsyms.c, symtab.h (lookup_minimal_symbol): New arg sfile.
* symm-tdep.c, somsolib.c, hppa-tdep.c, c-exp.y, f-exp.y,
m2-exp.y, nindy-tdep.c, m3-nat.c, irix5-nat.c, hpread.c,
os9kread.c, breakpoint.c, alpha-tdep.c, valops.c, symtab.c,
printcmd.c, dbxread.c: Change callers to pass NULL for sfile.
* dbxread.c (process_one_symbol) [SOFUN_ADDRESS_MAYBE_MISSING]:
Find address of function from minimal symbols.
* partial-stab.h, case 'f', 'F': Call find_stab_function_addr
instead of getting pst->textlow from the stab.
* minsyms.c (find_stab_function_addr): New function.
1995-02-09 15:00:45 +08:00
|
|
|
|
#endif
|
1992-07-04 21:59:03 +08:00
|
|
|
|
}
|
1991-11-15 11:36:45 +08:00
|
|
|
|
}
|
|
|
|
|
do_cleanups (back_to);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
1991-10-24 19:28:54 +08:00
|
|
|
|
/* Scan and build partial symbols for a symbol file.
|
|
|
|
|
We have been initialized by a call to elf_symfile_init, which
|
|
|
|
|
currently does nothing.
|
|
|
|
|
|
1992-07-04 21:59:03 +08:00
|
|
|
|
SECTION_OFFSETS is a set of offsets to apply to relocate the symbols
|
|
|
|
|
in each section. We simplify it down to a single offset for all
|
|
|
|
|
symbols. FIXME.
|
1991-10-24 19:28:54 +08:00
|
|
|
|
|
|
|
|
|
MAINLINE is true if we are reading the main symbol
|
|
|
|
|
table (as opposed to a shared lib or dynamically loaded file).
|
|
|
|
|
|
|
|
|
|
This function only does the minimum work necessary for letting the
|
|
|
|
|
user "name" things symbolically; it does not read the entire symtab.
|
|
|
|
|
Instead, it reads the external and static symbols and puts them in partial
|
|
|
|
|
symbol tables. When more extensive information is requested of a
|
|
|
|
|
file, the corresponding partial symbol table is mutated into a full
|
|
|
|
|
fledged symbol table by going back and reading the symbols
|
1992-06-13 15:24:30 +08:00
|
|
|
|
for real.
|
|
|
|
|
|
|
|
|
|
We look for sections with specific names, to tell us what debug
|
|
|
|
|
format to look for: FIXME!!!
|
|
|
|
|
|
|
|
|
|
dwarf_build_psymtabs() builds psymtabs for DWARF symbols;
|
1993-12-07 01:31:05 +08:00
|
|
|
|
elfstab_build_psymtabs() handles STABS symbols;
|
|
|
|
|
mdebug_build_psymtabs() handles ECOFF debugging information.
|
1991-11-15 11:36:45 +08:00
|
|
|
|
|
|
|
|
|
Note that ELF files have a "minimal" symbol table, which looks a lot
|
|
|
|
|
like a COFF symbol table, but has only the minimal information necessary
|
1992-06-13 15:24:30 +08:00
|
|
|
|
for linking. We process this also, and use the information to
|
|
|
|
|
build gdb's minimal symbol table. This gives us some minimal debugging
|
|
|
|
|
capability even for files compiled without -g. */
|
1991-10-24 19:28:54 +08:00
|
|
|
|
|
|
|
|
|
static void
|
1992-07-04 21:59:03 +08:00
|
|
|
|
elf_symfile_read (objfile, section_offsets, mainline)
|
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (coff_symfile_finish): Add function, prototype, and
add to the xxxx_sym_fns struct for each file type. Also reformat
the xxxx_sym_fns vector to a standard format and add comments.
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (xxx_symfile_new_init, xxx_symfile_init, xxx_symfile_read):
Pass pointer to struct objfile rather than pointer to sym_fns.
Change references inside each function accordingly. Allocate any
symbol file specific info in the per-objfile memory region.
* dbxread.c (free_and_init_header_files): Break function into
free_header_files(), called from dbx_symfile_finish(), and
init_header_files(), called from dbx_new_init().
* dbxread.c (dbx_new_init): Move deallocation things to new
dbx_symfile_finish function.
* elfread.c (elf_new_init): Call buildsym_new_init().
* objfiles.c (free_objfile): Call the appropriate symfile_finish()
routine for the objfile before deallocating other stuff.
* sparc-tdep.c (get_longjmp_target): Cast target_read_memory arg.
* symfile.h: Move struct sym_fns to before struct objfile def.
Add sym_finish function pointer and change prototypes of other
function pointers to reflect passing struct objfile pointer rather
than struct sym_fns pointer.
* symfile.c: Remove now obsolete symtab_fns pointer.
* symfile.c (symfile_init): Renamed to find_sym_fns, and now only
locates the correct sym_fns struct for the given objfile.
* symfile.c (syms_from_objfile, symbol_file_add): Restructured
for better support of mapped symbol tables.
* symfile.c (symbol_file_command): Remove obsolete code using
symfile_fns.
* symfile.h: Remove duplicate declarations for symfile_objfile,
entry_point, and object_files.
* target.c (target_info): Compare symfile_objfile to NULL.
* xcoffread.c (aixcoff_new_init): Move deallocation stuff to
aixcoff_symfile_finish().
1992-03-20 05:57:15 +08:00
|
|
|
|
struct objfile *objfile;
|
1992-07-04 21:59:03 +08:00
|
|
|
|
struct section_offsets *section_offsets;
|
1992-02-22 09:46:16 +08:00
|
|
|
|
int mainline;
|
1991-10-24 19:28:54 +08:00
|
|
|
|
{
|
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (coff_symfile_finish): Add function, prototype, and
add to the xxxx_sym_fns struct for each file type. Also reformat
the xxxx_sym_fns vector to a standard format and add comments.
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (xxx_symfile_new_init, xxx_symfile_init, xxx_symfile_read):
Pass pointer to struct objfile rather than pointer to sym_fns.
Change references inside each function accordingly. Allocate any
symbol file specific info in the per-objfile memory region.
* dbxread.c (free_and_init_header_files): Break function into
free_header_files(), called from dbx_symfile_finish(), and
init_header_files(), called from dbx_new_init().
* dbxread.c (dbx_new_init): Move deallocation things to new
dbx_symfile_finish function.
* elfread.c (elf_new_init): Call buildsym_new_init().
* objfiles.c (free_objfile): Call the appropriate symfile_finish()
routine for the objfile before deallocating other stuff.
* sparc-tdep.c (get_longjmp_target): Cast target_read_memory arg.
* symfile.h: Move struct sym_fns to before struct objfile def.
Add sym_finish function pointer and change prototypes of other
function pointers to reflect passing struct objfile pointer rather
than struct sym_fns pointer.
* symfile.c: Remove now obsolete symtab_fns pointer.
* symfile.c (symfile_init): Renamed to find_sym_fns, and now only
locates the correct sym_fns struct for the given objfile.
* symfile.c (syms_from_objfile, symbol_file_add): Restructured
for better support of mapped symbol tables.
* symfile.c (symbol_file_command): Remove obsolete code using
symfile_fns.
* symfile.h: Remove duplicate declarations for symfile_objfile,
entry_point, and object_files.
* target.c (target_info): Compare symfile_objfile to NULL.
* xcoffread.c (aixcoff_new_init): Move deallocation stuff to
aixcoff_symfile_finish().
1992-03-20 05:57:15 +08:00
|
|
|
|
bfd *abfd = objfile->obfd;
|
1991-10-24 19:28:54 +08:00
|
|
|
|
struct elfinfo ei;
|
1991-11-15 11:36:45 +08:00
|
|
|
|
struct cleanup *back_to;
|
1992-06-13 15:24:30 +08:00
|
|
|
|
CORE_ADDR offset;
|
1991-10-24 19:28:54 +08:00
|
|
|
|
|
1992-02-22 09:46:16 +08:00
|
|
|
|
init_minimal_symbol_collection ();
|
|
|
|
|
back_to = make_cleanup (discard_minimal_symbols, 0);
|
1991-11-15 11:36:45 +08:00
|
|
|
|
|
1992-07-04 21:59:03 +08:00
|
|
|
|
memset ((char *) &ei, 0, sizeof (ei));
|
1992-04-01 11:09:02 +08:00
|
|
|
|
|
1992-07-04 21:59:03 +08:00
|
|
|
|
/* Allocate struct to keep track of the symfile */
|
1993-10-04 07:04:25 +08:00
|
|
|
|
objfile->sym_stab_info = (PTR)
|
1992-07-04 21:59:03 +08:00
|
|
|
|
xmmalloc (objfile -> md, sizeof (struct dbx_symfile_info));
|
1993-10-04 07:04:25 +08:00
|
|
|
|
memset ((char *) objfile->sym_stab_info, 0, sizeof (struct dbx_symfile_info));
|
1992-07-04 21:59:03 +08:00
|
|
|
|
make_cleanup (free_elfinfo, (PTR) objfile);
|
1992-04-01 11:09:02 +08:00
|
|
|
|
|
1992-07-04 21:59:03 +08:00
|
|
|
|
/* Process the normal ELF symbol table first. This may write some
|
1993-10-04 07:04:25 +08:00
|
|
|
|
chain of info into the dbx_symfile_info in objfile->sym_stab_info,
|
1992-07-04 21:59:03 +08:00
|
|
|
|
which can later be used by elfstab_offset_sections. */
|
1991-11-15 11:36:45 +08:00
|
|
|
|
|
1992-07-04 21:59:03 +08:00
|
|
|
|
/* FIXME, should take a section_offsets param, not just an offset. */
|
|
|
|
|
offset = ANOFFSET (section_offsets, 0);
|
1994-04-22 01:09:31 +08:00
|
|
|
|
elf_symtab_read (abfd, offset, objfile, 0);
|
|
|
|
|
|
1994-07-13 03:29:04 +08:00
|
|
|
|
/* Add the dynamic symbols. */
|
1994-04-22 01:09:31 +08:00
|
|
|
|
|
1994-07-13 03:29:04 +08:00
|
|
|
|
elf_symtab_read (abfd, offset, objfile, 1);
|
1991-11-15 11:36:45 +08:00
|
|
|
|
|
1992-06-13 15:24:30 +08:00
|
|
|
|
/* Now process debugging information, which is contained in
|
1991-11-15 11:36:45 +08:00
|
|
|
|
special ELF sections. We first have to find them... */
|
|
|
|
|
|
1992-02-22 09:46:16 +08:00
|
|
|
|
bfd_map_over_sections (abfd, elf_locate_sections, (PTR) &ei);
|
1996-07-20 05:16:13 +08:00
|
|
|
|
if (dwarf2_has_info (abfd) && !offset)
|
|
|
|
|
{
|
|
|
|
|
/* DWARF 2 sections */
|
|
|
|
|
dwarf2_build_psymtabs (objfile, section_offsets, mainline);
|
|
|
|
|
}
|
|
|
|
|
else if (ei.dboffset && ei.lnoffset)
|
1991-10-24 19:28:54 +08:00
|
|
|
|
{
|
1992-06-13 15:24:30 +08:00
|
|
|
|
/* DWARF sections */
|
1992-10-15 21:40:40 +08:00
|
|
|
|
dwarf_build_psymtabs (objfile,
|
1992-07-04 21:59:03 +08:00
|
|
|
|
section_offsets, mainline,
|
1991-10-24 19:28:54 +08:00
|
|
|
|
ei.dboffset, ei.dbsize,
|
1992-10-15 21:40:40 +08:00
|
|
|
|
ei.lnoffset, ei.lnsize);
|
1991-10-24 19:28:54 +08:00
|
|
|
|
}
|
1992-06-13 15:24:30 +08:00
|
|
|
|
if (ei.stabsect)
|
|
|
|
|
{
|
1994-07-15 05:34:09 +08:00
|
|
|
|
asection *str_sect;
|
|
|
|
|
|
|
|
|
|
/* Stab sections have an associated string table that looks like
|
|
|
|
|
a separate section. */
|
|
|
|
|
str_sect = bfd_get_section_by_name (abfd, ".stabstr");
|
|
|
|
|
|
|
|
|
|
/* FIXME should probably warn about a stab section without a stabstr. */
|
|
|
|
|
if (str_sect)
|
1992-06-13 15:24:30 +08:00
|
|
|
|
elfstab_build_psymtabs (objfile,
|
1994-07-15 05:34:09 +08:00
|
|
|
|
section_offsets,
|
|
|
|
|
mainline,
|
|
|
|
|
ei.stabsect->filepos,
|
|
|
|
|
bfd_section_size (abfd, ei.stabsect),
|
|
|
|
|
str_sect->filepos,
|
|
|
|
|
bfd_section_size (abfd, str_sect));
|
1992-06-13 15:24:30 +08:00
|
|
|
|
}
|
1993-12-07 01:31:05 +08:00
|
|
|
|
if (ei.mdebugsect)
|
|
|
|
|
{
|
|
|
|
|
const struct ecoff_debug_swap *swap;
|
|
|
|
|
|
|
|
|
|
/* .mdebug section, presumably holding ECOFF debugging
|
|
|
|
|
information. */
|
|
|
|
|
swap = get_elf_backend_data (abfd)->elf_backend_ecoff_debug_swap;
|
|
|
|
|
if (swap)
|
|
|
|
|
elfmdebug_build_psymtabs (objfile, swap, ei.mdebugsect,
|
|
|
|
|
section_offsets);
|
|
|
|
|
}
|
1991-11-15 11:36:45 +08:00
|
|
|
|
|
1992-02-22 09:46:16 +08:00
|
|
|
|
/* Install any minimal symbols that have been collected as the current
|
|
|
|
|
minimal symbols for this objfile. */
|
|
|
|
|
|
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (coff_symfile_finish): Add function, prototype, and
add to the xxxx_sym_fns struct for each file type. Also reformat
the xxxx_sym_fns vector to a standard format and add comments.
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (xxx_symfile_new_init, xxx_symfile_init, xxx_symfile_read):
Pass pointer to struct objfile rather than pointer to sym_fns.
Change references inside each function accordingly. Allocate any
symbol file specific info in the per-objfile memory region.
* dbxread.c (free_and_init_header_files): Break function into
free_header_files(), called from dbx_symfile_finish(), and
init_header_files(), called from dbx_new_init().
* dbxread.c (dbx_new_init): Move deallocation things to new
dbx_symfile_finish function.
* elfread.c (elf_new_init): Call buildsym_new_init().
* objfiles.c (free_objfile): Call the appropriate symfile_finish()
routine for the objfile before deallocating other stuff.
* sparc-tdep.c (get_longjmp_target): Cast target_read_memory arg.
* symfile.h: Move struct sym_fns to before struct objfile def.
Add sym_finish function pointer and change prototypes of other
function pointers to reflect passing struct objfile pointer rather
than struct sym_fns pointer.
* symfile.c: Remove now obsolete symtab_fns pointer.
* symfile.c (symfile_init): Renamed to find_sym_fns, and now only
locates the correct sym_fns struct for the given objfile.
* symfile.c (syms_from_objfile, symbol_file_add): Restructured
for better support of mapped symbol tables.
* symfile.c (symbol_file_command): Remove obsolete code using
symfile_fns.
* symfile.h: Remove duplicate declarations for symfile_objfile,
entry_point, and object_files.
* target.c (target_info): Compare symfile_objfile to NULL.
* xcoffread.c (aixcoff_new_init): Move deallocation stuff to
aixcoff_symfile_finish().
1992-03-20 05:57:15 +08:00
|
|
|
|
install_minimal_symbols (objfile);
|
1992-02-22 09:46:16 +08:00
|
|
|
|
|
1991-11-15 11:36:45 +08:00
|
|
|
|
do_cleanups (back_to);
|
1991-10-24 19:28:54 +08:00
|
|
|
|
}
|
|
|
|
|
|
1993-10-04 07:04:25 +08:00
|
|
|
|
/* This cleans up the objfile's sym_stab_info pointer, and the chain of
|
1992-07-04 21:59:03 +08:00
|
|
|
|
stab_section_info's, that might be dangling from it. */
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
free_elfinfo (objp)
|
|
|
|
|
PTR objp;
|
|
|
|
|
{
|
|
|
|
|
struct objfile *objfile = (struct objfile *)objp;
|
|
|
|
|
struct dbx_symfile_info *dbxinfo = (struct dbx_symfile_info *)
|
1993-10-04 07:04:25 +08:00
|
|
|
|
objfile->sym_stab_info;
|
1992-07-04 21:59:03 +08:00
|
|
|
|
struct stab_section_info *ssi, *nssi;
|
|
|
|
|
|
|
|
|
|
ssi = dbxinfo->stab_section_info;
|
|
|
|
|
while (ssi)
|
|
|
|
|
{
|
|
|
|
|
nssi = ssi->next;
|
|
|
|
|
mfree (objfile->md, ssi);
|
|
|
|
|
ssi = nssi;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
dbxinfo->stab_section_info = 0; /* Just say No mo info about this. */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
1991-10-24 19:28:54 +08:00
|
|
|
|
/* Initialize anything that needs initializing when a completely new symbol
|
|
|
|
|
file is specified (not just adding some symbols from another file, e.g. a
|
|
|
|
|
shared library).
|
|
|
|
|
|
1992-06-13 15:24:30 +08:00
|
|
|
|
We reinitialize buildsym, since we may be reading stabs from an ELF file. */
|
1991-10-24 19:28:54 +08:00
|
|
|
|
|
|
|
|
|
static void
|
1992-03-30 07:26:47 +08:00
|
|
|
|
elf_new_init (ignore)
|
|
|
|
|
struct objfile *ignore;
|
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (coff_symfile_finish): Add function, prototype, and
add to the xxxx_sym_fns struct for each file type. Also reformat
the xxxx_sym_fns vector to a standard format and add comments.
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (xxx_symfile_new_init, xxx_symfile_init, xxx_symfile_read):
Pass pointer to struct objfile rather than pointer to sym_fns.
Change references inside each function accordingly. Allocate any
symbol file specific info in the per-objfile memory region.
* dbxread.c (free_and_init_header_files): Break function into
free_header_files(), called from dbx_symfile_finish(), and
init_header_files(), called from dbx_new_init().
* dbxread.c (dbx_new_init): Move deallocation things to new
dbx_symfile_finish function.
* elfread.c (elf_new_init): Call buildsym_new_init().
* objfiles.c (free_objfile): Call the appropriate symfile_finish()
routine for the objfile before deallocating other stuff.
* sparc-tdep.c (get_longjmp_target): Cast target_read_memory arg.
* symfile.h: Move struct sym_fns to before struct objfile def.
Add sym_finish function pointer and change prototypes of other
function pointers to reflect passing struct objfile pointer rather
than struct sym_fns pointer.
* symfile.c: Remove now obsolete symtab_fns pointer.
* symfile.c (symfile_init): Renamed to find_sym_fns, and now only
locates the correct sym_fns struct for the given objfile.
* symfile.c (syms_from_objfile, symbol_file_add): Restructured
for better support of mapped symbol tables.
* symfile.c (symbol_file_command): Remove obsolete code using
symfile_fns.
* symfile.h: Remove duplicate declarations for symfile_objfile,
entry_point, and object_files.
* target.c (target_info): Compare symfile_objfile to NULL.
* xcoffread.c (aixcoff_new_init): Move deallocation stuff to
aixcoff_symfile_finish().
1992-03-20 05:57:15 +08:00
|
|
|
|
{
|
1992-07-28 12:22:18 +08:00
|
|
|
|
stabsread_new_init ();
|
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (coff_symfile_finish): Add function, prototype, and
add to the xxxx_sym_fns struct for each file type. Also reformat
the xxxx_sym_fns vector to a standard format and add comments.
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (xxx_symfile_new_init, xxx_symfile_init, xxx_symfile_read):
Pass pointer to struct objfile rather than pointer to sym_fns.
Change references inside each function accordingly. Allocate any
symbol file specific info in the per-objfile memory region.
* dbxread.c (free_and_init_header_files): Break function into
free_header_files(), called from dbx_symfile_finish(), and
init_header_files(), called from dbx_new_init().
* dbxread.c (dbx_new_init): Move deallocation things to new
dbx_symfile_finish function.
* elfread.c (elf_new_init): Call buildsym_new_init().
* objfiles.c (free_objfile): Call the appropriate symfile_finish()
routine for the objfile before deallocating other stuff.
* sparc-tdep.c (get_longjmp_target): Cast target_read_memory arg.
* symfile.h: Move struct sym_fns to before struct objfile def.
Add sym_finish function pointer and change prototypes of other
function pointers to reflect passing struct objfile pointer rather
than struct sym_fns pointer.
* symfile.c: Remove now obsolete symtab_fns pointer.
* symfile.c (symfile_init): Renamed to find_sym_fns, and now only
locates the correct sym_fns struct for the given objfile.
* symfile.c (syms_from_objfile, symbol_file_add): Restructured
for better support of mapped symbol tables.
* symfile.c (symbol_file_command): Remove obsolete code using
symfile_fns.
* symfile.h: Remove duplicate declarations for symfile_objfile,
entry_point, and object_files.
* target.c (target_info): Compare symfile_objfile to NULL.
* xcoffread.c (aixcoff_new_init): Move deallocation stuff to
aixcoff_symfile_finish().
1992-03-20 05:57:15 +08:00
|
|
|
|
buildsym_new_init ();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Perform any local cleanups required when we are done with a particular
|
|
|
|
|
objfile. I.E, we are in the process of discarding all symbol information
|
|
|
|
|
for an objfile, freeing up all memory held for it, and unlinking the
|
|
|
|
|
objfile struct from the global list of known objfiles. */
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
elf_symfile_finish (objfile)
|
|
|
|
|
struct objfile *objfile;
|
1991-10-24 19:28:54 +08:00
|
|
|
|
{
|
1993-10-04 07:04:25 +08:00
|
|
|
|
if (objfile -> sym_stab_info != NULL)
|
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (coff_symfile_finish): Add function, prototype, and
add to the xxxx_sym_fns struct for each file type. Also reformat
the xxxx_sym_fns vector to a standard format and add comments.
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (xxx_symfile_new_init, xxx_symfile_init, xxx_symfile_read):
Pass pointer to struct objfile rather than pointer to sym_fns.
Change references inside each function accordingly. Allocate any
symbol file specific info in the per-objfile memory region.
* dbxread.c (free_and_init_header_files): Break function into
free_header_files(), called from dbx_symfile_finish(), and
init_header_files(), called from dbx_new_init().
* dbxread.c (dbx_new_init): Move deallocation things to new
dbx_symfile_finish function.
* elfread.c (elf_new_init): Call buildsym_new_init().
* objfiles.c (free_objfile): Call the appropriate symfile_finish()
routine for the objfile before deallocating other stuff.
* sparc-tdep.c (get_longjmp_target): Cast target_read_memory arg.
* symfile.h: Move struct sym_fns to before struct objfile def.
Add sym_finish function pointer and change prototypes of other
function pointers to reflect passing struct objfile pointer rather
than struct sym_fns pointer.
* symfile.c: Remove now obsolete symtab_fns pointer.
* symfile.c (symfile_init): Renamed to find_sym_fns, and now only
locates the correct sym_fns struct for the given objfile.
* symfile.c (syms_from_objfile, symbol_file_add): Restructured
for better support of mapped symbol tables.
* symfile.c (symbol_file_command): Remove obsolete code using
symfile_fns.
* symfile.h: Remove duplicate declarations for symfile_objfile,
entry_point, and object_files.
* target.c (target_info): Compare symfile_objfile to NULL.
* xcoffread.c (aixcoff_new_init): Move deallocation stuff to
aixcoff_symfile_finish().
1992-03-20 05:57:15 +08:00
|
|
|
|
{
|
1993-10-04 07:04:25 +08:00
|
|
|
|
mfree (objfile -> md, objfile -> sym_stab_info);
|
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (coff_symfile_finish): Add function, prototype, and
add to the xxxx_sym_fns struct for each file type. Also reformat
the xxxx_sym_fns vector to a standard format and add comments.
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (xxx_symfile_new_init, xxx_symfile_init, xxx_symfile_read):
Pass pointer to struct objfile rather than pointer to sym_fns.
Change references inside each function accordingly. Allocate any
symbol file specific info in the per-objfile memory region.
* dbxread.c (free_and_init_header_files): Break function into
free_header_files(), called from dbx_symfile_finish(), and
init_header_files(), called from dbx_new_init().
* dbxread.c (dbx_new_init): Move deallocation things to new
dbx_symfile_finish function.
* elfread.c (elf_new_init): Call buildsym_new_init().
* objfiles.c (free_objfile): Call the appropriate symfile_finish()
routine for the objfile before deallocating other stuff.
* sparc-tdep.c (get_longjmp_target): Cast target_read_memory arg.
* symfile.h: Move struct sym_fns to before struct objfile def.
Add sym_finish function pointer and change prototypes of other
function pointers to reflect passing struct objfile pointer rather
than struct sym_fns pointer.
* symfile.c: Remove now obsolete symtab_fns pointer.
* symfile.c (symfile_init): Renamed to find_sym_fns, and now only
locates the correct sym_fns struct for the given objfile.
* symfile.c (syms_from_objfile, symbol_file_add): Restructured
for better support of mapped symbol tables.
* symfile.c (symbol_file_command): Remove obsolete code using
symfile_fns.
* symfile.h: Remove duplicate declarations for symfile_objfile,
entry_point, and object_files.
* target.c (target_info): Compare symfile_objfile to NULL.
* xcoffread.c (aixcoff_new_init): Move deallocation stuff to
aixcoff_symfile_finish().
1992-03-20 05:57:15 +08:00
|
|
|
|
}
|
1991-10-24 19:28:54 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* ELF specific initialization routine for reading symbols.
|
|
|
|
|
|
|
|
|
|
It is passed a pointer to a struct sym_fns which contains, among other
|
|
|
|
|
things, the BFD for the file whose symbols are being read, and a slot for
|
|
|
|
|
a pointer to "private data" which we can fill with goodies.
|
|
|
|
|
|
|
|
|
|
For now at least, we have nothing in particular to do, so this function is
|
|
|
|
|
just a stub. */
|
|
|
|
|
|
|
|
|
|
static void
|
1996-01-09 01:55:25 +08:00
|
|
|
|
elf_symfile_init (objfile)
|
|
|
|
|
struct objfile *objfile;
|
1991-10-24 19:28:54 +08:00
|
|
|
|
{
|
1996-01-09 01:55:25 +08:00
|
|
|
|
/* ELF objects may be reordered, so set OBJF_REORDERED. If we
|
|
|
|
|
find this causes a significant slowdown in gdb then we could
|
|
|
|
|
set it in the debug symbol readers only when necessary. */
|
|
|
|
|
objfile->flags |= OBJF_REORDERED;
|
1991-10-24 19:28:54 +08:00
|
|
|
|
}
|
|
|
|
|
|
1992-07-04 21:59:03 +08:00
|
|
|
|
/* When handling an ELF file that contains Sun STABS debug info,
|
|
|
|
|
some of the debug info is relative to the particular chunk of the
|
|
|
|
|
section that was generated in its individual .o file. E.g.
|
|
|
|
|
offsets to static variables are relative to the start of the data
|
|
|
|
|
segment *for that module before linking*. This information is
|
|
|
|
|
painfully squirreled away in the ELF symbol table as local symbols
|
|
|
|
|
with wierd names. Go get 'em when needed. */
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
elfstab_offset_sections (objfile, pst)
|
|
|
|
|
struct objfile *objfile;
|
|
|
|
|
struct partial_symtab *pst;
|
|
|
|
|
{
|
|
|
|
|
char *filename = pst->filename;
|
|
|
|
|
struct dbx_symfile_info *dbx = (struct dbx_symfile_info *)
|
1993-10-04 07:04:25 +08:00
|
|
|
|
objfile->sym_stab_info;
|
1992-07-04 21:59:03 +08:00
|
|
|
|
struct stab_section_info *maybe = dbx->stab_section_info;
|
|
|
|
|
struct stab_section_info *questionable = 0;
|
|
|
|
|
int i;
|
|
|
|
|
char *p;
|
|
|
|
|
|
|
|
|
|
/* The ELF symbol info doesn't include path names, so strip the path
|
|
|
|
|
(if any) from the psymtab filename. */
|
|
|
|
|
while (0 != (p = strchr (filename, '/')))
|
|
|
|
|
filename = p+1;
|
|
|
|
|
|
|
|
|
|
/* FIXME: This linear search could speed up significantly
|
|
|
|
|
if it was chained in the right order to match how we search it,
|
|
|
|
|
and if we unchained when we found a match. */
|
|
|
|
|
for (; maybe; maybe = maybe->next)
|
|
|
|
|
{
|
|
|
|
|
if (filename[0] == maybe->filename[0]
|
* defs.h (STRCMP, STREQ, STREQN): New macros.
* defs.h (demangle_and_match): Remove prototype.
* dwarfread.c (STREQ, STREQN): Remove macros, replaced with STREQ
and STREQN defined in defs.h.
* dwarfread.c (set_cu_language): For completely unknown languages,
try to deduce the language from the filename. Retain behavior
that for known languages we don't know how to handle, we use
language_unknown.
* dwarfread.c (enum_type, symthesize_typedef): Initialize language
and demangled name fields in symbol.
* dwarfread.c, mipsread.c, partial-stab.h: For all usages of
ADD_PSYMBOL_TO_LIST, add language and objfile parameters.
* dwarfread.c (new_symbol): Attempt to demangle C++ symbol names
and cache the results in SYMBOL_DEMANGLED_NAME for the symbol.
* elfread.c (STREQ): Remove macro, use STREQ defined in defs.h.
Replace usages throughout.
* elfread.c (demangle.h): Include.
* elfread.c (record_minimal_symbol): Remove prototype and function.
* gdbtypes.h, symtab.h (B_SET, B_CLR, B_TST, B_TYPE, B_BYTES,
B_CLRALL): Moved from symtab.h to gdbtypes.h.
* infcmd.c (jump_command): Remove code to demangle name and add
it to a cleanup list. Now just use SYMBOL_DEMANGLED_NAME.
* minsyms.c (demangle.h): Include.
* minsyms.c (lookup_minimal_symbol): Indent comment to match code.
* minsyms.c (install_minimal_symbols): Attempt to demangle symbol
names as C++ names, and cache them in SYMBOL_DEMANGLED_NAME.
* mipsread.c (psymtab_language): Add static variable.
* stabsread.c (demangle.h): Include.
* stabsread.c (define_symbol): Attempt to demangle C++ symbol
names and cache them in the SYMBOL_DEMANGLED_NAME field.
* stack.c (return_command): Remove explicit demangling of name
and use of cleanups. Just use SYMBOL_DEMANGLED_NAME.
* symfile.c (demangle.h): Include.
* symfile.c (add_psymbol_to_list, add_psymbol_addr_to_list): Fix
to match macros in symfile.h and allow them to be compiled
if INLINE_ADD_PSYMBOL is not true.
* symfile.h (INLINE_ADD_PSYMBOL): Default to true if not set.
* symfile.h (ADD_PSYMBOL_*): Add language and objfile parameters.
Add code to demangle and cache C++ symbol names. Use macro form
if INLINE_ADD_PSYMBOL is true, otherwise use C function form.
* symmisc.c (add_psymbol_to_list, add_psymbol_addr_to_list):
Remove, also defined in symfile.c, which we already fixed.
* symtab.c (expensive_mangler): Remove prototype and function.
* symtab.c (find_methods): Remove physnames parameter and fix
prototype to match.
* symtab.c (completion_list_add_symbol): Name changed to
completion_list_add_name.
* symtab.c (COMPLETION_LIST_ADD_SYMBOL): New macro, adds both
the normal symbol name and the cached C++ demangled name.
* symtab.c (lookup_demangled_partial_symbol,
lookup_demangled_block_symbol): Remove prototypes and functions.
* symtab.c (lookup_symbol): Remove use of expensive_mangler,
use lookup_block_symbol instead of lookup_demangled_block_symbol.
Remove code to try demangling names and matching them.
* symtab.c (lookup_partial_symbol, lookup_block_symbol):
Fix to try matching the cached demangled name if no match is
found using the regular symbol name.
* symtab.c (find_methods): Remove unused physnames array.
* symtab.c (name_match, NAME_MATCH): Remove function and macro,
replaced with SYMBOL_MATCHES_REGEXP from symtab.h.
* symtab.c (completion_list_add_symbol): Rewrite to use cached
C++ demangled symbol names.
* symtab.h: Much reformatting of structures and such to add
whitespace to make them more readable, and make them more
consistent with other gdb structure definitions.
* symtab.h (general_symbol_info): New struct containing fields
common to all symbols.
* symtab.h (SYMBOL_LANGUAGE, SYMBOL_DEMANGLED_NAME,
SYMBOL_SOURCE_NAME, SYMBOL_LINKAGE_NAME, SYMBOL_MATCHES_NAME,
SYMBOL_MATCHES_REGEXP, MSYMBOL_INFO, MSYMBOL_TYPE): New macros.
* symtab. (struct minimal_symbol, struct partial_symbol, struct
symbol): Use general_symbol_info struct.
* utils.c (demangle_and_match): Remove, no longer used.
* valops.c (demangle.h): Include.
* xcoffexec.c (eq): Remove macro, replace usages with STREQ.
* blockframe.c, breakpoint.c, c-exp.y, c-valprint.c, dbxread.c,
infcmd.c, m2-exp.y, minsyms.c, objfiles.h, solib.c, stack.c,
symmisc.c, symtab.c, valops.c: Replace references to minimal
symbol fields with appropriate macros.
* breakpoint.c, buildsym.c, c-exp.y, c-typeprint.c, c-valprint.c,
coffread.c, command.c, convex-tdep.c, cp-valprint.c, dbxread.c,
demangle.c, elfread.c, energize.c, environ.c, exec.c,
gdbtypes.c, i960-tdep.c, infrun.c, infrun-hacked.c, language.c,
main.c, minsyms.c, mipsread.c, partial-stab.h, remote-es1800.c,
remote-nindy.c, remote-udi.c, rs6000-tdep.c, solib.c, source.c,
sparc-pinsn.c, stabsread.c, standalone.c, state.c, stuff.c,
symfile.c, symmisc.c, symtab.c, symtab.h, tm-sysv4.h,
tm-ultra3.h, values.c, xcoffexec.c, xcoffread.c: Replace strcmp
and strncmp usages with STREQ, STREQN, or STRCMP as appropriate.
* breakpoint.c, buildsym.c, c-typeprint.c, expprint.c, findvar.c,
mipsread.c, printcmd.c, source.c, stabsread.c, stack.c,
symmisc.c, tm-29k.h, valops.c, values.c: Replace SYMBOL_NAME
references with SYMBOL_SOURCE_NAME or SYMBOL_LINKAGE_NAME as
appropriate.
* buildsym.c (start_subfile, patch_subfile_names): Default the
source language to what can be deduced from the filename.
* buildsym.c (end_symtab): Update the source language in the
allocated symtab to match what we have been using.
* buildsym.h (struct subfile): Add a language field.
* c-typeprint.c (c_print_type): Remove code to do explicit
demangling.
* dbxread.c (psymtab_language): Add static variable.
* dbxread.c (start_psymtab): Initialize psymtab_language using
deduce_language_from_filename.
1992-12-23 14:34:57 +08:00
|
|
|
|
&& STREQ (filename, maybe->filename))
|
1992-07-04 21:59:03 +08:00
|
|
|
|
{
|
|
|
|
|
/* We found a match. But there might be several source files
|
|
|
|
|
(from different directories) with the same name. */
|
|
|
|
|
if (0 == maybe->found)
|
|
|
|
|
break;
|
|
|
|
|
questionable = maybe; /* Might use it later. */
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (maybe == 0 && questionable != 0)
|
|
|
|
|
{
|
|
|
|
|
complain (&stab_info_questionable_complaint, filename);
|
|
|
|
|
maybe = questionable;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (maybe)
|
|
|
|
|
{
|
|
|
|
|
/* Found it! Allocate a new psymtab struct, and fill it in. */
|
|
|
|
|
maybe->found++;
|
|
|
|
|
pst->section_offsets = (struct section_offsets *)
|
|
|
|
|
obstack_alloc (&objfile -> psymbol_obstack,
|
|
|
|
|
sizeof (struct section_offsets) +
|
|
|
|
|
sizeof (pst->section_offsets->offsets) * (SECT_OFF_MAX-1));
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < SECT_OFF_MAX; i++)
|
|
|
|
|
ANOFFSET (pst->section_offsets, i) = maybe->sections[i];
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* We were unable to find any offsets for this file. Complain. */
|
|
|
|
|
if (dbx->stab_section_info) /* If there *is* any info, */
|
|
|
|
|
complain (&stab_info_mismatch_complaint, filename);
|
|
|
|
|
}
|
1991-10-24 19:28:54 +08:00
|
|
|
|
|
* symfile.c (reread_symbols): When re-reading symbols, do all the
right operations ourself, rather than calling symbol_file_command.
If we re-read something, call clear_symtab_users not just
breakpoint_re_set.
* objfiles.h, objfiles.c (build_objfile_section_table): No longer
static.
* symfile.c (clear_symtab_users): Call clear_pc_function_cache.
* coffread.c, dbxread.c, elfread.c, mipsread.c, nlmread.c, paread.c
(*_symfile_offsets): Set objfile->num_sections.
* remote.c (remote_wait), symfile.c (syms_from_objfile):
Don't muck with objfile->num_sections now that all the symbol
readers set it.
* elfread.c: Clean up obsolete comment about handling only DWARF.
* paread.c: Remove comment about how we should use an "ordinary"
file format with an hppa suffix. There is nothing ordinary about SOM.
1993-10-31 04:21:19 +08:00
|
|
|
|
/* Register that we are able to handle ELF object file formats. */
|
1991-10-24 19:28:54 +08:00
|
|
|
|
|
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (coff_symfile_finish): Add function, prototype, and
add to the xxxx_sym_fns struct for each file type. Also reformat
the xxxx_sym_fns vector to a standard format and add comments.
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (xxx_symfile_new_init, xxx_symfile_init, xxx_symfile_read):
Pass pointer to struct objfile rather than pointer to sym_fns.
Change references inside each function accordingly. Allocate any
symbol file specific info in the per-objfile memory region.
* dbxread.c (free_and_init_header_files): Break function into
free_header_files(), called from dbx_symfile_finish(), and
init_header_files(), called from dbx_new_init().
* dbxread.c (dbx_new_init): Move deallocation things to new
dbx_symfile_finish function.
* elfread.c (elf_new_init): Call buildsym_new_init().
* objfiles.c (free_objfile): Call the appropriate symfile_finish()
routine for the objfile before deallocating other stuff.
* sparc-tdep.c (get_longjmp_target): Cast target_read_memory arg.
* symfile.h: Move struct sym_fns to before struct objfile def.
Add sym_finish function pointer and change prototypes of other
function pointers to reflect passing struct objfile pointer rather
than struct sym_fns pointer.
* symfile.c: Remove now obsolete symtab_fns pointer.
* symfile.c (symfile_init): Renamed to find_sym_fns, and now only
locates the correct sym_fns struct for the given objfile.
* symfile.c (syms_from_objfile, symbol_file_add): Restructured
for better support of mapped symbol tables.
* symfile.c (symbol_file_command): Remove obsolete code using
symfile_fns.
* symfile.h: Remove duplicate declarations for symfile_objfile,
entry_point, and object_files.
* target.c (target_info): Compare symfile_objfile to NULL.
* xcoffread.c (aixcoff_new_init): Move deallocation stuff to
aixcoff_symfile_finish().
1992-03-20 05:57:15 +08:00
|
|
|
|
static struct sym_fns elf_sym_fns =
|
|
|
|
|
{
|
1993-11-01 02:54:28 +08:00
|
|
|
|
bfd_target_elf_flavour,
|
1991-10-24 19:28:54 +08:00
|
|
|
|
elf_new_init, /* sym_new_init: init anything gbl to entire symtab */
|
|
|
|
|
elf_symfile_init, /* sym_init: read initial info, setup for sym_read() */
|
|
|
|
|
elf_symfile_read, /* sym_read: read a symbol file into symtab */
|
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (coff_symfile_finish): Add function, prototype, and
add to the xxxx_sym_fns struct for each file type. Also reformat
the xxxx_sym_fns vector to a standard format and add comments.
* coffread.c, mipsread.c, xcoffread.c, coffread.c, dbxread.c,
elfread.c (xxx_symfile_new_init, xxx_symfile_init, xxx_symfile_read):
Pass pointer to struct objfile rather than pointer to sym_fns.
Change references inside each function accordingly. Allocate any
symbol file specific info in the per-objfile memory region.
* dbxread.c (free_and_init_header_files): Break function into
free_header_files(), called from dbx_symfile_finish(), and
init_header_files(), called from dbx_new_init().
* dbxread.c (dbx_new_init): Move deallocation things to new
dbx_symfile_finish function.
* elfread.c (elf_new_init): Call buildsym_new_init().
* objfiles.c (free_objfile): Call the appropriate symfile_finish()
routine for the objfile before deallocating other stuff.
* sparc-tdep.c (get_longjmp_target): Cast target_read_memory arg.
* symfile.h: Move struct sym_fns to before struct objfile def.
Add sym_finish function pointer and change prototypes of other
function pointers to reflect passing struct objfile pointer rather
than struct sym_fns pointer.
* symfile.c: Remove now obsolete symtab_fns pointer.
* symfile.c (symfile_init): Renamed to find_sym_fns, and now only
locates the correct sym_fns struct for the given objfile.
* symfile.c (syms_from_objfile, symbol_file_add): Restructured
for better support of mapped symbol tables.
* symfile.c (symbol_file_command): Remove obsolete code using
symfile_fns.
* symfile.h: Remove duplicate declarations for symfile_objfile,
entry_point, and object_files.
* target.c (target_info): Compare symfile_objfile to NULL.
* xcoffread.c (aixcoff_new_init): Move deallocation stuff to
aixcoff_symfile_finish().
1992-03-20 05:57:15 +08:00
|
|
|
|
elf_symfile_finish, /* sym_finish: finished with file, cleanup */
|
1996-07-03 13:11:40 +08:00
|
|
|
|
default_symfile_offsets,
|
|
|
|
|
/* sym_offsets: Translate ext. to int. relocation */
|
1991-10-24 19:28:54 +08:00
|
|
|
|
NULL /* next: pointer to next struct sym_fns */
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
void
|
1992-02-22 09:46:16 +08:00
|
|
|
|
_initialize_elfread ()
|
1991-10-24 19:28:54 +08:00
|
|
|
|
{
|
|
|
|
|
add_symtab_fns (&elf_sym_fns);
|
|
|
|
|
}
|