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https://sourceware.org/git/binutils-gdb.git
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Based on patches from Jamie Lokier <jamie@rebellion.co.uk>:
* objdump.c: Include "demangle.h". (do_demangle): New static variable. (usage): Mention -C/--demangle. (long_options): Add "demangle". (objdump_print_symname): New static function. (objdump_print_addr_with_sym): Use objdump_print_symname. (disassemble_bytes): Likewise. (dump_reloc_set): Likewise. (dump_symbols): Demangle symbol name. (main): Handle -C. * binutils.texi, objdump.1: Document -C/--demangle.
This commit is contained in:
Ian Lance Taylor
parent
5c59269f50
commit
9793039fc6
@ -1,5 +1,18 @@
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Sat Mar 15 15:35:56 1997 Ian Lance Taylor <ian@cygnus.com>
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Based on patches from Jamie Lokier <jamie@rebellion.co.uk>:
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* objdump.c: Include "demangle.h".
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(do_demangle): New static variable.
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(usage): Mention -C/--demangle.
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(long_options): Add "demangle".
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(objdump_print_symname): New static function.
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(objdump_print_addr_with_sym): Use objdump_print_symname.
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(disassemble_bytes): Likewise.
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(dump_reloc_set): Likewise.
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(dump_symbols): Demangle symbol name.
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(main): Handle -C.
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* binutils.texi, objdump.1: Document -C/--demangle.
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* objdump.c (usage): Mention --no-show-raw-insn.
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(long_options): Add "no-show-raw-insn".
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(disassemble_bytes): Handle --no-show-raw-insn.
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@ -693,7 +693,7 @@ The same as @samp{--format=bsd} (for compatibility with the MIPS @code{nm}).
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@item -C
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@itemx --demangle
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@cindex demangling C++ symbols
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@cindex demangling in nm
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Decode (@dfn{demangle}) low-level symbol names into user-level names.
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Besides removing any initial underscore prepended by the system, this
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makes C++ function names readable. @xref{c++filt}, for more information
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@ -1037,8 +1037,8 @@ Show a summary of the options to @code{objcopy}.
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@smallexample
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objdump [ -a | --archive-headers ]
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[ -b @var{bfdname} | --target=@var{bfdname} ] [ --debugging ]
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[ -d | --disassemble ] [ -D | --disassemble-all ]
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[ --disassemble-zeroes ]
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[ -C | --demangle ] [ -d | --disassemble ]
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[ -D | --disassemble-all ] [ --disassemble-zeroes ]
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[ -EB | -EL | --endian=@{big | little @} ]
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[ -f | --file-headers ]
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[ -h | --section-headers | --headers ] [ -i | --info ]
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@ -1105,6 +1105,14 @@ file in the format produced by Oasys compilers. You can list the
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formats available with the @samp{-i} option.
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@xref{Target Selection}, for more information.
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@item -C
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@itemx --demangle
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@cindex demangling in objdump
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Decode (@dfn{demangle}) low-level symbol names into user-level names.
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Besides removing any initial underscore prepended by the system, this
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makes C++ function names readable. @xref{c++filt}, for more information
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on demangling.
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@item --debugging
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Display debugging information. This attempts to parse debugging
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information stored in the file and print it out using a C like syntax.
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@ -21,6 +21,7 @@ objdump \- display information from object files.
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.RB " | " "\-\-target="\c
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.I bfdname\c
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\&\|]
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.RB "[\|" \-C | \-\-demangle "\|]"
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.RB "[\|" \-\-debugging "\|]"
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.RB "[\|" \-d | \-\-disassemble "\|]"
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.RB "[\|" \-D | \-\-disassemble-all "\|]"
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@ -144,6 +145,14 @@ formats available with the `\|\c
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.B \-i\c
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\|' option.
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.TP
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.B \-C
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.TP
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.B \-\-demangle
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Decode (\fIdemangle\fP) low-level symbol names into user-level names.
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Besides removing any initial underscore prepended by the system, this
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makes C++ function names readable.
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.TP
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.B \-\-debugging
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Display debugging information. This attempts to parse debugging
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@ -24,6 +24,7 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include <ctype.h>
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#include "dis-asm.h"
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#include "libiberty.h"
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#include "demangle.h"
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#include "debug.h"
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#include "budbg.h"
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@ -59,6 +60,7 @@ static int with_line_numbers; /* -l */
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static boolean with_source_code; /* -S */
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static int show_raw_insn; /* --show-raw-insn */
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static int dump_stab_section_info; /* --stabs */
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static int do_demangle; /* -C, --demangle */
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static boolean disassemble; /* -d */
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static boolean disassemble_all; /* -D */
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static int disassemble_zeroes; /* --disassemble-zeroes */
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@ -127,6 +129,9 @@ display_bfd PARAMS ((bfd *abfd));
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static void
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objdump_print_value PARAMS ((bfd_vma, struct disassemble_info *, boolean));
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static void
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objdump_print_symname PARAMS ((bfd *, struct disassemble_info *, asymbol *));
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static asymbol *
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find_symbol_for_address PARAMS ((bfd *, asection *, bfd_vma, boolean, long *));
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@ -160,7 +165,7 @@ usage (stream, status)
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int status;
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{
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fprintf (stream, "\
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Usage: %s [-ahifdDprRtTxsSlw] [-b bfdname] [-m machine] [-j section-name]\n\
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Usage: %s [-ahifCdDprRtTxsSlw] [-b bfdname] [-m machine] [-j section-name]\n\
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[--archive-headers] [--target=bfdname] [--debugging] [--disassemble]\n\
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[--disassemble-all] [--disassemble-zeroes] [--file-headers]\n\
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[--section-headers] [--headers]\n\
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@ -171,8 +176,8 @@ Usage: %s [-ahifdDprRtTxsSlw] [-b bfdname] [-m machine] [-j section-name]\n\
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[--syms] [--all-headers] [--dynamic-syms] [--dynamic-reloc]\n\
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[--wide] [--version] [--help] [--private-headers]\n\
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[--start-address=addr] [--stop-address=addr]\n\
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[--prefix-addresses] [--[no-]show-raw-insn] [--adjust-vma=offset]\n\
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[-EB|-EL] [--endian={big|little}] objfile...\n\
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[--prefix-addresses] [--[no-]show-raw-insn] [--demangle]\n\
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[--adjust-vma=offset] [-EB|-EL] [--endian={big|little}] objfile...\n\
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at least one option besides -l (--line-numbers) must be given\n");
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list_supported_targets (program_name, stream);
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if (status == 0)
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@ -195,6 +200,7 @@ static struct option long_options[]=
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{"architecture", required_argument, NULL, 'm'},
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{"archive-headers", no_argument, NULL, 'a'},
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{"debugging", no_argument, &dump_debugging, 1},
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{"demangle", no_argument, &do_demangle, 1},
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{"disassemble", no_argument, NULL, 'd'},
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{"disassemble-all", no_argument, NULL, 'D'},
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{"disassemble-zeroes", no_argument, &disassemble_zeroes, 1},
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@ -561,6 +567,44 @@ objdump_print_value (vma, info, skip_zeroes)
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(*info->fprintf_func) (info->stream, "%s", p);
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}
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/* Print the name of a symbol. */
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static void
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objdump_print_symname (abfd, info, sym)
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bfd *abfd;
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struct disassemble_info *info;
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asymbol *sym;
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{
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char *alloc;
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const char *name;
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const char *print;
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alloc = NULL;
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name = bfd_asymbol_name (sym);
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if (! do_demangle || name[0] == '\0')
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print = name;
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else
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{
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/* Demangle the name. */
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if (bfd_get_symbol_leading_char (abfd) == name[0])
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++name;
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alloc = cplus_demangle (name, DMGL_ANSI | DMGL_PARAMS);
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if (alloc == NULL)
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print = name;
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else
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print = alloc;
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}
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if (info != NULL)
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(*info->fprintf_func) (info->stream, "%s", print);
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else
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printf ("%s", print);
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if (alloc != NULL)
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free (alloc);
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}
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/* Locate a symbol given a bfd, a section, and a VMA. If REQUIRE_SEC
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is true, then always require the symbol to be in the section. This
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returns NULL if there is no suitable symbol. If PLACE is not NULL,
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@ -720,7 +764,8 @@ objdump_print_addr_with_sym (abfd, sec, sym, vma, info, skip_zeroes)
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}
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else
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{
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(*info->fprintf_func) (info->stream, " <%s", sym->name);
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(*info->fprintf_func) (info->stream, " <");
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objdump_print_symname (abfd, info, sym);
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if (bfd_asymbol_value (sym) > vma)
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{
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(*info->fprintf_func) (info->stream, "-");
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@ -1278,7 +1323,6 @@ disassemble_bytes (info, disassemble_fn, insns, data, start, stop, relppp,
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&& (**relppp)->address < (bfd_vma) i + bytes))
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{
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arelent *q;
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const char *sym_name;
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q = **relppp;
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@ -1291,24 +1335,26 @@ disassemble_bytes (info, disassemble_fn, insns, data, start, stop, relppp,
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printf (": %s\t", q->howto->name);
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if (q->sym_ptr_ptr != NULL
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&& *q->sym_ptr_ptr != NULL)
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if (q->sym_ptr_ptr == NULL || *q->sym_ptr_ptr == NULL)
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printf ("*unknown*");
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else
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{
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const char *sym_name;
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sym_name = bfd_asymbol_name (*q->sym_ptr_ptr);
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if (sym_name == NULL || *sym_name == '\0')
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if (sym_name != NULL && *sym_name != '\0')
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objdump_print_symname (aux->abfd, info, *q->sym_ptr_ptr);
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else
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{
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asection *sym_sec;
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sym_sec = bfd_get_section (*q->sym_ptr_ptr);
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sym_name = bfd_get_section_name (abfd, sym_sec);
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sym_name = bfd_get_section_name (aux->abfd, sym_sec);
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if (sym_name == NULL || *sym_name == '\0')
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sym_name = "*unknown*";
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printf ("%s", sym_name);
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}
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}
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else
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sym_name = "*unknown*";
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printf ("%s", sym_name);
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if (q->addend)
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{
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@ -2063,12 +2109,40 @@ dump_symbols (abfd, dynamic)
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{
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if (*current)
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{
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bfd *cur_bfd = bfd_asymbol_bfd(*current);
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if (cur_bfd)
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bfd *cur_bfd = bfd_asymbol_bfd (*current);
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if (cur_bfd != NULL)
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{
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bfd_print_symbol (cur_bfd,
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stdout,
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*current, bfd_print_symbol_all);
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const char *name;
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char *alloc;
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name = bfd_asymbol_name (*current);
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alloc = NULL;
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if (do_demangle && name != NULL && *name != '\0')
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{
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const char *n;
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/* If we want to demangle the name, we demangle it
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here, and temporarily clobber it while calling
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bfd_print_symbol. FIXME: This is a gross hack. */
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n = name;
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if (bfd_get_symbol_leading_char (cur_bfd) == *n)
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++n;
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alloc = cplus_demangle (n, DMGL_ANSI | DMGL_PARAMS);
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if (alloc != NULL)
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(*current)->name = alloc;
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else
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(*current)->name = n;
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}
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bfd_print_symbol (cur_bfd, stdout, *current,
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bfd_print_symbol_all);
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(*current)->name = name;
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if (alloc != NULL)
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free (alloc);
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printf ("\n");
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}
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}
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@ -2260,9 +2334,9 @@ dump_reloc_set (abfd, sec, relpp, relcount)
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if (sym_name)
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{
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printf_vma (q->address);
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printf (" %-16s %s",
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q->howto->name,
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sym_name);
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printf (" %-16s ", q->howto->name);
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objdump_print_symname (abfd, (struct disassemble_info *) NULL,
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*q->sym_ptr_ptr);
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}
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else
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{
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@ -2473,7 +2547,7 @@ main (argc, argv)
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bfd_init ();
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set_default_bfd_target ();
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while ((c = getopt_long (argc, argv, "pib:m:VdDlfahrRtTxsSj:wE:",
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while ((c = getopt_long (argc, argv, "pib:m:VCdDlfahrRtTxsSj:wE:",
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long_options, (int *) 0))
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!= EOF)
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{
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@ -2518,6 +2592,9 @@ main (argc, argv)
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case 'T':
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dump_dynamic_symtab = 1;
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break;
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case 'C':
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do_demangle = 1;
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break;
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case 'd':
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disassemble = true;
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break;
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