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* Makefile.in (MMALLOC_CFLAGS): Eliminate intermediate MMALLOC_DISABLE

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and MMALLOC_CHECK macros, and add comment indicating how host dependent
	makefile fragment should modify MMALLOC_CFLAGS to not use mmalloc, or
	to use it but to not do heap corruption checking.
	* gdbserver/Makefile.in: Ditto.
	* utils.c (init_malloc): Replace warning() use with direct call of
	fprintf_unfiltered, since current_target has not yet been set and thus
 	we cannot use warning().  If we try to use mmcheck and it fails,
	suggest that this configuration needs NO_MMCHECK or MMCHECK_FORCE
 	defined.  Other small mmalloc related cleanups.
	* config/sparc/sun4os4.mh (MMALLOC_CFLAGS): Define MMCHECK_FORCE to 1.
	* config/alpha/alpha-osf2.mh (MMALLOC_CFLAGS): Set to -DNO_MMCHECK.

	* config/sparc/xm-sun4os4.h (MMAP_BASE_ADDRESS, MMAP_INCREMENT):
	* config/i386/xm-i386v4.h (MMAP_BASE_ADDRESS, MMAP_INCREMENT):
	* config/i386/xm-linux.h (MMAP_BASE_ADDRESS, MMAP_INCREMENT):
	* config/m68k/xm-hp300hpux.h (MMAP_BASE_ADDRESS, MMAP_INCREMENT):
	* config/m68k/xm-m68kv4.h (MMAP_BASE_ADDRESS, MMAP_INCREMENT);
	* config/m68k/xm-sun3os4.h (MMAP_BASE_ADDRESS, MMAP_INCREMENT):
	* config/pa/xm-hppah.h (MMAP_BASE_ADDRESS, MMAP_INCREMENT):
	* config/sparc/xm-sun4sol2.h (MMAP_BASE_ADDRESS, MMAP_INCREMENT):
	Remove obsolete defines.

	* config/alpha/alpha-linux.mh (MMALLOC_DISABLE):
	* config/alpha/alpha-osf1.mh (MMALLOC_DISABLE):
	* config/rs6000/rs6000.mh (MMALLOC_DISABLE):
	* config/rs6000/aix4.mh (MMALLOC_DISABLE):
	* config/powerpc/aix4.mh (MMALLOC_DISABLE):
	* config/powerpc/aix.mh (MMALLOC_DISABLE):
	* config/ns32k/ns32km3.mh (MMALLOC_DISABLE):
	* config/mips/mipsm3.mh (MMALLOC_DISABLE):
	* config/mips/decstation.mh (MMALLOC_DISABLE):
	* config/m88k/cxux.mh (MMALLOC_DISABLE):
	* config/i386/i386mk.mh (MMALLOC_DISABLE):
	* config/i386/i386m3.mh (MMALLOC_DISABLE):
	* config/i386/i386gnu.mh (MMALLOC_DISABLE):
	Use MMALLOC_CFLAGS instead.
This commit is contained in:
Fred Fish 1996-07-11 07:41:51 +00:00
parent 7f12eb53ca
commit 5410991408
24 changed files with 391 additions and 371 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
gdb/ChangeLog
View File

@ -1,3 +1,43 @@
Wed Jul 10 16:54:41 1996 Fred Fish <fnf@cygnus.com>
* Makefile.in (MMALLOC_CFLAGS): Eliminate intermediate MMALLOC_DISABLE
and MMALLOC_CHECK macros, and add comment indicating how host dependent
makefile fragment should modify MMALLOC_CFLAGS to not use mmalloc, or
to use it but to not do heap corruption checking.
* gdbserver/Makefile.in: Ditto.
* utils.c (init_malloc): Replace warning() use with direct call of
fprintf_unfiltered, since current_target has not yet been set and thus
we cannot use warning(). If we try to use mmcheck and it fails,
suggest that this configuration needs NO_MMCHECK or MMCHECK_FORCE
defined. Other small mmalloc related cleanups.
* config/sparc/sun4os4.mh (MMALLOC_CFLAGS): Define MMCHECK_FORCE to 1.
* config/alpha/alpha-osf2.mh (MMALLOC_CFLAGS): Set to -DNO_MMCHECK.
* config/sparc/xm-sun4os4.h (MMAP_BASE_ADDRESS, MMAP_INCREMENT):
* config/i386/xm-i386v4.h (MMAP_BASE_ADDRESS, MMAP_INCREMENT):
* config/i386/xm-linux.h (MMAP_BASE_ADDRESS, MMAP_INCREMENT):
* config/m68k/xm-hp300hpux.h (MMAP_BASE_ADDRESS, MMAP_INCREMENT):
* config/m68k/xm-m68kv4.h (MMAP_BASE_ADDRESS, MMAP_INCREMENT);
* config/m68k/xm-sun3os4.h (MMAP_BASE_ADDRESS, MMAP_INCREMENT):
* config/pa/xm-hppah.h (MMAP_BASE_ADDRESS, MMAP_INCREMENT):
* config/sparc/xm-sun4sol2.h (MMAP_BASE_ADDRESS, MMAP_INCREMENT):
Remove obsolete defines.
* config/alpha/alpha-linux.mh (MMALLOC_DISABLE):
* config/alpha/alpha-osf1.mh (MMALLOC_DISABLE):
* config/rs6000/rs6000.mh (MMALLOC_DISABLE):
* config/rs6000/aix4.mh (MMALLOC_DISABLE):
* config/powerpc/aix4.mh (MMALLOC_DISABLE):
* config/powerpc/aix.mh (MMALLOC_DISABLE):
* config/ns32k/ns32km3.mh (MMALLOC_DISABLE):
* config/mips/mipsm3.mh (MMALLOC_DISABLE):
* config/mips/decstation.mh (MMALLOC_DISABLE):
* config/m88k/cxux.mh (MMALLOC_DISABLE):
* config/i386/i386mk.mh (MMALLOC_DISABLE):
* config/i386/i386m3.mh (MMALLOC_DISABLE):
* config/i386/i386gnu.mh (MMALLOC_DISABLE):
Use MMALLOC_CFLAGS instead.
Tue Jul 9 22:41:12 1996 Jeffrey A Law (law@cygnus.com)
* h8300-tdep.c: Remove some outdated comments.

14
gdb/Makefile.in
View File

@ -88,15 +88,17 @@ LIBIBERTY = ../libiberty/libiberty.a
# Where is the MMALLOC library? Typically in ../mmalloc.
# Note that mmalloc can still be used on systems without mmap().
# To use your system malloc, comment out the following defines.
# To use your system malloc, in the host makefile fragment set MMALLOC_CFLAGS
# to -DNO_MMALLOC and set MMALLOC to empty.
# To use mmalloc but not use heap checking, in the host makefile fragment set
# MMALLOC_CFLAGS to the value below but add -DNO_MMCHECK.
# To use mmalloc and heap checking on a system where the C runtime allocates
# memory that is never freed, in the host makefile fragment set MMALLOC_CFLAGS
# to the value below and add -DFORCE_MMCHECK=1
MMALLOC_DIR = ../mmalloc
MMALLOC_SRC = $(srcdir)/$(MMALLOC_DIR)
MMALLOC = $(MMALLOC_DIR)/libmmalloc.a
# To use your system malloc, uncomment MMALLOC_DISABLE.
#MMALLOC_DISABLE = -DNO_MMALLOC
# To use mmalloc but disable corruption checking, uncomment MMALLOC_CHECK
#MMALLOC_CHECK = -DNO_MMALLOC_CHECK
MMALLOC_CFLAGS = -I$(MMALLOC_SRC) $(MMALLOC_CHECK) $(MMALLOC_DISABLE)
MMALLOC_CFLAGS = -I$(MMALLOC_SRC)
# Where is the BFD library? Typically in ../bfd.
BFD_DIR = ../bfd

5
gdb/config/alpha/alpha-osf3.mh Normal file
View File

@ -0,0 +1,5 @@
# Host: Little-endian Alpha running OSF/1-3.x and higher using procfs
XDEPFILES=
XM_FILE= xm-alpha.h
NAT_FILE= nm-osf3.h
NATDEPFILES= infptrace.o inftarg.o corelow.o alpha-nat.o fork-child.o osfsolib.o procfs.o

36
gdb/config/i386/i386gnu.mh Normal file
View File

@ -0,0 +1,36 @@
# Host: Intel 386 running the GNU Hurd
XDEPFILES= i387-tdep.o
NATDEPFILES= i386gnu-nat.o gnu-nat.o fork-child.o solib.o notify_S.o process_reply_S.o msg_reply_S.o msg_U.o exc_request_U.o exc_request_S.o
XM_FILE= xm-i386gnu.h
NAT_FILE= nm-gnu.h
# Use our own user stubs for the msg rpcs, so we can make them time out, in
# case the program is fucked, or we guess the wrong signal thread.
msg-MIGUFLAGS = -D'MSG_IMPORTS=waittime 1000;'
# ick
MIG = mig
MIGCOM = $(MIG) -cc cat - /dev/null
# Reply servers need special massaging of the code mig generates, to make
# them work correctly for error returns in some cases.
%_reply_S.h %_reply_S.c: %_reply.defs
$(CPP) $(CPPFLAGS) -DSERVERPREFIX=S_ -x c $< \
| $(MIGCOM) -sheader $*_reply_S.h -server $*_reply_S.raw -user /dev/null -header /dev/null \
&& $(AWK) -f $(srcdir)/reply_mig_hack.awk < $*_reply_S.raw > $*_reply_S.c
# Normal servers
%_S.h %_S.c: %.defs
$(CPP) $(CPPFLAGS) -DSERVERPREFIX=S_ -x c $< \
| $(MIGCOM) -sheader $*_S.h -server $*_S.c -user /dev/null -header /dev/null
# User rpc stubs
%_U.h %_U.c: %.defs
$(CPP) $(CPPFLAGS) $($*-MIGUFLAGS) -x c $< \
| $(MIGCOM) -sheader /dev/null -server /dev/null -user $*_U.c -header $*_U.h
gnu-nat.o: process_reply_S.h exc_request_S.h notify_S.h msg_reply_S.h exc_request_U.h msg_U.h
gnu-nat.o i386gnu-nat.o: gnu-nat.h
# Don't use the mmalloc library in Mach 3.
MMALLOC =
MMALLOC_CFLAGS = -DNO_MMALLOC

2
gdb/config/i386/i386m3.mh
View File

@ -8,4 +8,4 @@ NAT_FILE= nm-m3.h
# Don't use the mmalloc library in Mach 3.
MMALLOC =
MMALLOC_DISABLE = -DNO_MMALLOC
MMALLOC_CFLAGS = -DNO_MMALLOC

2
gdb/config/i386/i386mk.mh
View File

@ -5,4 +5,4 @@ XM_FILE= xm-i386osf1mk.h
# Don't use the mmalloc library in Mach 3.
MMALLOC =
MMALLOC_DISABLE = -DNO_MMALLOC
MMALLOC_CFLAGS = -DNO_MMALLOC

10
gdb/config/i386/xm-i386v4.h
View File

@ -25,13 +25,3 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Pick up more stuff from the generic SVR4 host include file. */
#include "xm-sysv4.h"
/* If you expect to use the mmalloc package to obtain mapped symbol files,
for now you have to specify some parameters that determine how gdb places
the mappings in it's address space. See the comments in map_to_address()
for details. This is expected to only be a short term solution. Yes it
is a kludge.
FIXME: Make this more automatic. */
#define MMAP_BASE_ADDRESS 0x81000000 /* First mapping here */
#define MMAP_INCREMENT 0x01000000 /* Increment to next mapping */

10
gdb/config/i386/xm-linux.h
View File

@ -33,14 +33,4 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Need R_OK etc, but USG isn't defined. */
#include <unistd.h>
/* If you expect to use the mmalloc package to obtain mapped symbol files,
for now you have to specify some parameters that determine how gdb places
the mappings in it's address space. See the comments in map_to_address()
for details. This is expected to only be a short term solution. Yes it
is a kludge.
FIXME: Make this more automatic. */
#define MMAP_BASE_ADDRESS 0x20000000 /* First mapping here */
#define MMAP_INCREMENT 0x01000000 /* Increment to next mapping */
#endif /* #ifndef XM_LINUX_H */

10
gdb/config/m68k/xm-hp300hpux.h
View File

@ -71,16 +71,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
0, 0, 0, 0, 0, 0, 0, 0, \
SIGILL }
/* If you expect to use the mmalloc package to obtain mapped symbol files,
for now you have to specify some parameters that determine how gdb places
the mappings in it's address space. See the comments in map_to_address()
for details. This is expected to only be a short term solution. Yes it
is a kludge.
FIXME: Make this more automatic. */
#define MMAP_BASE_ADDRESS 0xA0000000 /* First mapping here */
#define MMAP_INCREMENT 0x01000000 /* Increment to next mapping */
/* On hpux, autoconf 2.4 (and possibly others) does not properly detect that
mmap is available. Until this is fixed, we have to explicitly force
HAVE_MMAP. -fnf */

10
gdb/config/m68k/xm-m68kv4.h
View File

@ -26,13 +26,3 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Pick up more stuff from the generic SVR4 host include file. */
#include "xm-sysv4.h"
/* If you expect to use the mmalloc package to obtain mapped symbol files,
for now you have to specify some parameters that determine how gdb places
the mappings in it's address space. See the comments in map_to_address()
for details. This is expected to only be a short term solution. Yes it
is a kludge.
FIXME: Make this more automatic. */
#define MMAP_BASE_ADDRESS 0xC2000000 /* First mapping here */
#define MMAP_INCREMENT 0x01000000 /* Increment to next mapping */

10
gdb/config/m68k/xm-sun3os4.h
View File

@ -20,16 +20,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "m68k/xm-sun3.h"
#define FPU
/* If you expect to use the mmalloc package to obtain mapped symbol files,
for now you have to specify some parameters that determine how gdb places
the mappings in it's address space. See the comments in map_to_address()
for details. This is expected to only be a short term solution. Yes it
is a kludge.
FIXME: Make this more automatic. */
#define MMAP_BASE_ADDRESS 0xE0000000 /* First mapping here */
#define MMAP_INCREMENT 0x01000000 /* Increment to next mapping */
/* Prevent type conflicts between yacc malloc decls and defs.h */
#define MALLOC_INCOMPATIBLE
extern char *malloc();

2
gdb/config/m88k/cxux.mh
View File

@ -7,4 +7,4 @@ NAT_FILE= nm-cxux.h
NATDEPFILES= infptrace.o inftarg.o fork-child.o cxux-nat.o corelow.o core-aout.o
MMALLOC=
MMALLOC_DISABLE= -DNO_MMALLOC
MMALLOC_CFLAGS= -DNO_MMALLOC

2
gdb/config/mips/decstation.mh
View File

@ -8,4 +8,4 @@ NATDEPFILES= infptrace.o inftarg.o corelow.o mips-nat.o fork-child.o
# with a malloc(0) that returns 0. Besides, it's useless on a machine
# without a real mmap().
MMALLOC =
MMALLOC_DISABLE = -DNO_MMALLOC
MMALLOC_CFLAGS = -DNO_MMALLOC

2
gdb/config/mips/mipsm3.mh
View File

@ -8,4 +8,4 @@ NAT_FILE= ../nm-m3.h
# Don't use the mmalloc library in Mach 3.
MMALLOC =
MMALLOC_DISABLE = -DNO_MMALLOC
MMALLOC_CFLAGS = -DNO_MMALLOC

2
gdb/config/ns32k/ns32km3.mh
View File

@ -8,4 +8,4 @@ NAT_FILE= nm-m3.h
# Don't use the mmalloc library in Mach 3.
MMALLOC =
MMALLOC_DISABLE = -DNO_MMALLOC
MMALLOC_CFLAGS = -DNO_MMALLOC

10
gdb/config/pa/xm-hppah.h
View File

@ -44,16 +44,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define MALLOC_INCOMPATIBLE
/* If you expect to use the mmalloc package to obtain mapped symbol files,
for now you have to specify some parameters that determine how gdb places
the mappings in it's address space. See the comments in map_to_address()
for details. This is expected to only be a short term solution. Yes it
is a kludge.
FIXME: Make this more automatic. */
#define MMAP_BASE_ADDRESS 0xA0000000 /* First mapping here */
#define MMAP_INCREMENT 0x01000000 /* Increment to next mapping */
/* On hpux, autoconf 2.4 (and possibly others) does not properly detect that
mmap is available. Until this is fixed, we have to explicitly force
HAVE_MMAP. -fnf */

2
gdb/config/powerpc/aix4.mh
View File

@ -13,7 +13,7 @@ NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o rs6000-nat.o xcoffread
# Because of shared libraries, we risk ending up with *two*
# incompatible versions of malloc if we use GNU malloc ...
MMALLOC =
MMALLOC_DISABLE = -DNO_MMALLOC
MMALLOC_CFLAGS = -DNO_MMALLOC
# A bug in the AIX 3.2 libc.a results in unresolved references for .scalb and
# .finite because we call ldexp via floatformat. Circumvent by adding -lm.

6
gdb/config/sparc/sun4os4.mh
View File

@ -9,3 +9,9 @@ GDBSERVER_DEPFILES= low-sparc.o
# anyone who wants to use NIS, which includes at least one Cygnus customer
# (PR 3593). So leave it this way until/unless we find a resolver which can
# get names from either DNS or NIS from the same GDB binary.
# SunOS 4.x has memory allocation calls in the C runtime. However
# since free() is never called with these objects, it is safe to
# define MMCHECK_FORCE to 1 and thus force installation of the mmalloc
# corruption checks.
MMALLOC_CFLAGS = -I$(MMALLOC_SRC) -DMMCHECK_FORCE=1

10
gdb/config/sparc/xm-sun4os4.h
View File

@ -22,16 +22,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define FPU
/* If you expect to use the mmalloc package to obtain mapped symbol files,
for now you have to specify some parameters that determine how gdb places
the mappings in it's address space. See the comments in map_to_address()
for details. This is expected to only be a short term solution. Yes it
is a kludge.
FIXME: Make this more automatic. */
#define MMAP_BASE_ADDRESS 0xC0000000 /* First mapping here */
#define MMAP_INCREMENT 0x01000000 /* Increment to next mapping */
/* /usr/include/malloc.h is included by vx-share/xdr_ld, and might
declare these using char * not void *. The following should work with
acc, gcc, or /bin/cc. */

10
gdb/config/sparc/xm-sun4sol2.h
View File

@ -31,16 +31,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define gregset_t prgregset_t
#define fpregset_t prfpregset_t
/* If you expect to use the mmalloc package to obtain mapped symbol files,
for now you have to specify some parameters that determine how gdb places
the mappings in it's address space. See the comments in map_to_address()
for details. This is expected to only be a short term solution. Yes it
is a kludge.
FIXME: Make this more automatic. */
#define MMAP_BASE_ADDRESS 0xC0000000 /* First mapping here */
#define MMAP_INCREMENT 0x01000000 /* Increment to next mapping */
/* These are not currently used in SVR4 (but should be, FIXME!). */
#undef DO_DEFERRED_STORES
#undef CLEAR_DEFERRED_STORES

7
gdb/doc/ChangeLog
View File

@ -1,3 +1,10 @@
Fri Jul 5 15:38:54 1996 Fred Fish <fnf@cygnus.com>
* gdbint.texinfo (NO_MMCHECK): Renamed from NO_MMALLOC_CHECK.
Also document that some systems can use mmalloc but must define
this if their C runtime allocates memory that is later freed.
(MMCHECK_FORCE): Document new macro.
Fri Jun 28 22:17:10 1996 Dawn Perchik <dawn@cygnus.com>
* remote.texi: Add documentation for target Sparclet.

447
gdb/doc/gdbint.texinfo
View File

@ -535,21 +535,21 @@ to do a "fork and exec" to start up a child process.
This is the low level interface to inferior processes for systems
using the Unix @code{ptrace} call in a vanilla way.
@item coredep.c::fetch_core_registers()
@item core-aout.c::fetch_core_registers()
Support for reading registers out of a core file. This routine calls
@code{register_addr()}, see below.
Now that BFD is used to read core files, virtually all machines should
use @code{coredep.c}, and should just provide @code{fetch_core_registers} in
use @code{core-aout.c}, and should just provide @code{fetch_core_registers} in
@code{@var{xxx}-nat.c} (or @code{REGISTER_U_ADDR} in @code{nm-@var{xxx}.h}).
@item coredep.c::register_addr()
@item core-aout.c::register_addr()
If your @code{nm-@var{xxx}.h} file defines the macro
@code{REGISTER_U_ADDR(addr, blockend, regno)}, it should be defined to
set @code{addr} to the offset within the @samp{user}
struct of GDB register number @code{regno}. @code{blockend} is the
offset within the ``upage'' of @code{u.u_ar0}.
If @code{REGISTER_U_ADDR} is defined,
@file{coredep.c} will define the @code{register_addr()} function and use
@file{core-aout.c} will define the @code{register_addr()} function and use
the macro in it. If you do not define @code{REGISTER_U_ADDR}, but you
are using the standard @code{fetch_core_registers()}, you will need to
define your own version of @code{register_addr()}, put it into your
@ -579,7 +579,7 @@ around in.
Then back in GDB, you need a matching routine called
@code{fetch_core_registers()}. If you can use the generic one, it's in
@file{coredep.c}; if not, it's in your @file{@var{xxx}-nat.c} file.
@file{core-aout.c}; if not, it's in your @file{@var{xxx}-nat.c} file.
It will be passed a char pointer to the entire ``registers'' segment,
its length, and a zero; or a char pointer to the entire ``regs2''
segment, its length, and a 2. The routine should suck out the supplied
@ -814,13 +814,13 @@ distribution!
From the top level directory (containing @file{gdb}, @file{bfd},
@file{libiberty}, and so on):
@example
make -f Makefile.in gdb.tar.Z
make -f Makefile.in gdb.tar.gz
@end example
This will properly configure, clean, rebuild any files that are
distributed pre-built (e.g. @file{c-exp.tab.c} or @file{refcard.ps}),
and will then make a tarfile. (If the top level directory has already
beenn configured, you can just do @code{make gdb.tar.Z} instead.)
been configured, you can just do @code{make gdb.tar.gz} instead.)
This procedure requires:
@itemize @bullet
@ -1505,9 +1505,6 @@ dbxread.c
@item GDBINIT_FILENAME
The default name of GDB's initialization file (normally @file{.gdbinit}).
@item KERNELDEBUG
tm-hppa.h
@item MEM_FNS_DECLARED
Your host config file defines this if it includes
declarations of @code{memcpy} and @code{memset}. Define this
@ -1515,11 +1512,16 @@ to avoid conflicts between the native include
files and the declarations in @file{defs.h}.
@item NO_SYS_FILE
dbxread.c
@item PYRAMID_CONTROL_FRAME_DEBUGGING
pyr-xdep.c
Define this if your system does not have a @code{<sys/file.h>}.
@item SIGWINCH_HANDLER
If your host defines @code{SIGWINCH}, you can define this to
be the name of a function to be called if @code{SIGWINCH} is received.
@item SIGWINCH_HANDLER_BODY
utils.c
Define this to expand into code that will define the function
named by the expansion of @code{SIGWINCH_HANDLER}.
@item ADDITIONAL_OPTIONS
main.c
@item ADDITIONAL_OPTION_CASES
@ -1528,100 +1530,43 @@ main.c
main.c
@item ADDITIONAL_OPTION_HELP
main.c
@item AIX_BUGGY_PTRACE_CONTINUE
infptrace.c
@item ALIGN_STACK_ON_STARTUP
main.c
@item ALTOS
altos-xdep.c
@item ALTOS_AS
xm-altos.h
@item ASCII_COFF
remote-adapt.c
@item BCS
tm-delta88.h
@item BEFORE_MAIN_LOOP_HOOK
main.c
@item BELIEVE_PCC_PROMOTION
coffread.c
@item BELIEVE_PCC_PROMOTION_TYPE
stabsread.c
@item BLOCK_ADDRESS_ABSOLUTE
dbxread.c
Define this if your system is of a sort that will crash in @code{tgetent}
if the stack happens not to be longword-aligned when @code{main} is
called. This is a rare situation, but is known to occur on several
different types of systems.
@item BROKEN_LARGE_ALLOCA
Avoid large @code{alloca}'s. For example, on sun's, Large alloca's fail
because the attempt to increase the stack limit in main() fails because
shared libraries are allocated just below the initial stack limit. The
SunOS kernel will not allow the stack to grow into the area occupied by
the shared libraries.
@item CALL_DUMMY
valops.c
@item CALL_DUMMY_LOCATION
inferior.h
@item CALL_DUMMY_STACK_ADJUST
valops.c
@item CFRONT_PRODUCER
dwarfread.c
@item CHILD_PREPARE_TO_STORE
inftarg.c
@item CLEAR_DEFERRED_STORES
inflow.c
@item CLEAR_SOLIB
objfiles.c
@item COFF_ENCAPSULATE
hppabsd-tdep.c
@item COFF_FORMAT
symm-tdep.c
@item CORE_NEEDS_RELOCATION
stack.c
@item CPLUS_MARKER
cplus-dem.c
@item C_GLBLREG
coffread.c
@item DBXREAD_ONLY
partial-stab.h
@item DBX_PARM_SYMBOL_CLASS
stabsread.c
@item DEBUG_INFO
partial-stab.h
@item DEBUG_PTRACE
hppabsd-xdep.c
@item DECR_PC_AFTER_BREAK
breakpoint.c
@item DEFAULT_PROMPT
The default value of the prompt string (normally @code{"(gdb) "}).
@item DELTA88
m88k-xdep.c
@item DEV_TTY
symmisc.c
@item DGUX
m88k-xdep.c
@item DISABLE_UNSETTABLE_BREAK
breakpoint.c
@item DONT_USE_REMOTE
remote.c
@item DO_DEFERRED_STORES
infrun.c
@item DO_REGISTERS_INFO
infcmd.c
@item EXTRACT_RETURN_VALUE
tm-m68k.h
@item EXTRACT_STRUCT_VALUE_ADDRESS
values.c
@item FCLOSE_PROVIDED
Define this if the system declares @code{fclose} in the headers included in
@code{defs.h}. This isn't needed unless your compiler is unusually anal.
@sc{ANSI} definition.
@item FILES_INFO_HOOK
target.c
@item FLOAT_INFO
infcmd.c
@item FOPEN_RB
defs.h
@item FUNCTION_EPILOGUE_SIZE
coffread.c
@item F_OK
xm-ultra3.h
Define this if binary files are opened the same way as text files.
@item GCC2_COMPILED_FLAG_SYMBOL
dbxread.c
@item GCC_COMPILED_FLAG_SYMBOL
@ -1630,35 +1575,29 @@ dbxread.c
symtab.c
@item GCC_PRODUCER
dwarfread.c
@item GET_SAVED_REGISTER
findvar.c
@item GETENV_PROVIDED
Define this if the system declares @code{getenv} in its headers included in
@code{defs.h}. This isn't needed unless your compiler is unusually anal.
@item GPLUS_PRODUCER
dwarfread.c
@item HANDLE_RBRAC
partial-stab.h
@item HAVE_MMAP
In some cases, use the system call @code{mmap} for reading symbol
tables. For some machines this allows for sharing and quick updates.
@item HAVE_REGISTER_WINDOWS
findvar.c
@item HAVE_SIGSETMASK
main.c
Define this if the host system has job control, but does not
define @code{sigsetmask()}.
Currently, this is only true of the RS/6000.
@item HAVE_TERMIO
inflow.c
@item HEADER_SEEK_FD
arm-tdep.c
@item HOSTING_ONLY
xm-rtbsd.h
@item HOST_BYTE_ORDER
findvar.c
@item HP_OS_BUG
infrun.c
@item IEEE_FLOAT
valprint.c
@item IGNORE_SYMBOL
dbxread.c
The ordering of bytes in the host.
This must be defined to be either @code{BIG_ENDIAN} or @code{LITTLE_ENDIAN}.
@item INT_MAX
@item INT_MIN
@ -1667,18 +1606,9 @@ dbxread.c
@item ULONG_MAX
Values for host-side constants.
@item IN_GDB
i960-pinsn.c
@item IN_SIGTRAMP
infrun.c
@item IN_SOLIB_TRAMPOLINE
infrun.c
@item ISATTY
Substitute for isatty, if not available.
@item IS_TRAPPED_INTERNALVAR
values.c
@item KERNEL_DEBUGGING
tm-ultra3.h
@ -1701,8 +1631,6 @@ directory.
@item LCC_PRODUCER
dwarfread.c
@item LOG_FILE
remote-adapt.c
@item LONGEST
This is the longest integer type available on the host.
@ -1726,11 +1654,6 @@ coffread.c
This macro is used as the argument to lseek (or, most commonly, bfd_seek).
FIXME, should be replaced by SEEK_SET instead, which is the POSIX equivalent.
@item MACHKERNELDEBUG
hppabsd-tdep.c
@item MAINTENANCE
dwarfread.c
@item MAINTENANCE_CMDS
If the value of this is 1, then a number of optional maintenance commands
are compiled in.
@ -1739,25 +1662,15 @@ are compiled in.
Define this if the system's prototype for @code{malloc} differs from the
@sc{ANSI} definition.
@item MIPSEL
mips-tdep.c
@item MMAP_BASE_ADDRESS
When using HAVE_MMAP, the first mapping should go at this address.
@item MMAP_INCREMENT
when using HAVE_MMAP, this is the increment between mappings.
@item MONO
ser-go32.c
@item MOTOROLA
xm-altos.h
@item NBPG
altos-xdep.c
@item NEED_POSIX_SETPGID
infrun.c
@item NEED_TEXT_START_END
exec.c
Define this to use the POSIX version of @code{setpgid} to determine
whether job control is available.
@item NORETURN
If defined, this should be one or more tokens, such as @code{volatile},
@ -1792,14 +1705,24 @@ Therefore, this define is usually set on the command line by overriding
@code{MMALLOC_DISABLE} in @file{config/*/*.mh}, rather than by defining
it in @file{xm-*.h}.
@item NO_MMALLOC_CHECK
@item NO_MMCHECK
Define this if you are using @code{mmalloc}, but don't want the overhead
of checking the heap with @code{mmcheck}.
of checking the heap with @code{mmcheck}. Note that on some systems,
the C runtime makes calls to malloc prior to calling @code{main}, and if
@code{free} is ever called with these pointers after calling @code{mmcheck}
to enable checking, a memory corruption abort is certain to occur. These
systems can still use mmalloc, but must define NO_MMCHECK.
@item MMCHECK_FORCE
Define this to 1 if the C runtime allocates memory prior to @code{mmcheck}
being called, but that memory is never freed so we don't have to worry
about it triggering a memory corruption abort. The default is 0, which
means that @code{mmcheck} will only install the heap checking functions
if there has not yet been any memory allocation calls, and if it fails
to install the functions, gdb will issue a warning.
@item NO_SIGINTERRUPT
remote-adapt.c
@item NS32K_SVC_IMMED_OPERANDS
ns32k-opcode.h
@item NUMERIC_REG_NAMES
mips-tdep.c
@item N_SETV
@ -1812,26 +1735,18 @@ breakpoint.c
exec.c
@item O_RDONLY
xm-ultra3.h
@item PC
convx-opcode.h
@item PCC_SOL_BROKEN
dbxread.c
@item PC_IN_CALL_DUMMY
inferior.h
@item PC_LOAD_SEGMENT
stack.c
@item PRINT_RANDOM_SIGNAL
infcmd.c
@item PRINT_REGISTER_HOOK
infcmd.c
@item PRINT_TYPELESS_INTEGER
valprint.c
@item PROCESS_LINENUMBER_HOOK
buildsym.c
@item PROLOGUE_FIRSTLINE_OVERLAP
infrun.c
@item PSIGNAL_IN_SIGNAL_H
defs.h
@item PUSH_ARGUMENTS
valops.c
@item PYRAMID_CONTROL_FRAME_DEBUGGING
@ -1842,8 +1757,6 @@ pyr-xdep.c
pyr-xdep.c
@item REGISTER_BYTES
remote.c
@item REGISTER_NAMES
tm-a29k.h
@item REG_STACK_SEGMENT
exec.c
@item REG_STRUCT_HAS_ADDR
@ -1859,14 +1772,6 @@ state.c
@item SEM
coffread.c
@item SET_STACK_LIMIT_HUGE
When defined, stack limits will be raised to their maximum. Use this
if your host supports @code{setrlimit} and you have trouble with
@code{stringtab} in @file{dbxread.c}.
Also used in @file{fork-child.c} to return stack limits before child
processes are forked.
@item SHELL_COMMAND_CONCAT
infrun.c
@item SHELL_FILE
@ -1877,8 +1782,6 @@ breakpoint.c
infrun.c
@item STACK_ALIGN
valops.c
@item START_INFERIOR_TRAPS_EXPECTED
infrun.c
@item STOP_SIGNAL
main.c
@item SUN4_COMPILER_FEATURE
@ -1926,9 +1829,35 @@ Define this to override the defaults of @code{__volatile__} or @code{/**/}.
@end table
Platform-specific host conditionals.
@table @code
@item ALTOS
altos-xdep.c
@item ALTOS_AS
xm-altos.h
@item MOTOROLA
xm-altos.h
@item NBPG
altos-xdep.c
@item BCS
tm-delta88.h
@item DELTA88
m88k-xdep.c
@item DGUX
m88k-xdep.c
@item F_OK
xm-ultra3.h
@end table
Regex conditionals.
@table
@table @code
@item C_ALLOCA
regex.c
@ -1971,14 +1900,8 @@ Used in @samp{call_function_by_hand} to remove an artificial stack frame.
@item BLOCK_ADDRESS_FUNCTION_RELATIVE
dbxread.c
@item KERNELDEBUG
tm-hppa.h
@item NO_SYS_FILE
dbxread.c
@item PYRAMID_CONTROL_FRAME_DEBUGGING
pyr-xdep.c
@item SIGWINCH_HANDLER_BODY
utils.c
@item ADDITIONAL_OPTIONS
main.c
@item ADDITIONAL_OPTION_CASES
@ -2003,10 +1926,17 @@ main.c
altos-xdep.c
@item ALTOS_AS
xm-altos.h
@item ASCII_COFF
remote-adapt.c
@item BCS
tm-delta88.h
@item BEFORE_MAIN_LOOP_HOOK
Define this to expand into any code that you want to execute before
the main loop starts. Although this is not, strictly speaking,
a target conditional, that is how it is currently being used.
Note that if a configuration were to define it one way for a host
and a different way for the target, GDB will probably not compile,
let alone run correctly.
@item BELIEVE_PCC_PROMOTION
coffread.c
@item BELIEVE_PCC_PROMOTION_TYPE
@ -2022,6 +1952,7 @@ A value of 1 means that the bits are numbered in a big-endian order,
dbxread.c
@item BREAKPOINT
tm-m68k.h
@item CALL_DUMMY
valops.c
@item CALL_DUMMY_LOCATION
@ -2043,44 +1974,43 @@ GDB will assume that all registers may be written.
@item CFRONT_PRODUCER
dwarfread.c
@item CHILD_PREPARE_TO_STORE
inftarg.c
@item DO_DEFERRED_STORES
@item CLEAR_DEFERRED_STORES
inflow.c
@item CLEAR_SOLIB
objfiles.c
@item COFF_ENCAPSULATE
hppabsd-tdep.c
@item COFF_FORMAT
symm-tdep.c
@item CORE_NEEDS_RELOCATION
stack.c
Define this to execute any deferred stores of registers into the inferior,
and to cancel any deferred stores.
Currently only implemented correctly for native Sparc configurations?
@item CPLUS_MARKER
cplus-dem.c
@item C_GLBLREG
coffread.c
@item DBXREAD_ONLY
partial-stab.h
Define this to expand into the character that G++ uses to
distinguish compiler-generated identifiers from programmer-specified
identifiers. By default, this expands into @code{'$'}.
Most System V targets should define this to @code{'.'}.
@item DBX_PARM_SYMBOL_CLASS
stabsread.c
@item DEBUG_INFO
partial-stab.h
@item DEBUG_PTRACE
hppabsd-xdep.c
@item DECR_PC_AFTER_BREAK
breakpoint.c
Define this to be the amount by which to decrement the PC after
the program encounters a breakpoint.
This is often the number of bytes in BREAKPOINT, though not always.
For most targets this value will be 0.
@item DECR_PC_AFTER_HW_BREAK
Similarly, for hardware breakpoints.
@item DELTA88
m88k-xdep.c
@item DEV_TTY
symmisc.c
@item DGUX
m88k-xdep.c
@item DISABLE_UNSETTABLE_BREAK
breakpoint.c
@item DONT_USE_REMOTE
remote.c
@item DO_DEFERRED_STORES
infrun.c
@item DISABLE_UNSETTABLE_BREAK addr
If defined, this should evaluate to 1 if @var{addr} is in a shared
library in which breakpoints cannot be set and so should be disabled.
@item DO_REGISTERS_INFO
infcmd.c
@ -2105,8 +2035,6 @@ the @code{symtab} structure defined in @code{symtab.h}.
target.c
@item FLOAT_INFO
infcmd.c
@item FOPEN_RB
defs.h
@item FP0_REGNUM
a68v-xdep.c
@item FPC_REGNUM
@ -2143,9 +2071,11 @@ stack.c
Given FRAME, return the pc saved there. That is, the return address.
@item FUNCTION_EPILOGUE_SIZE
coffread.c
@item F_OK
xm-ultra3.h
For some COFF targets, the @code{x_sym.x_misc.x_fsize} field of the
function end symbol is 0. For such targets, you must define
@code{FUNCTION_EPILOGUE_SIZE} to expand into the standard size
of a function's epilogue.
@item GCC2_COMPILED_FLAG_SYMBOL
dbxread.c
@item GCC_COMPILED_FLAG_SYMBOL
@ -2178,29 +2108,21 @@ takes a CORE_ADDR * as argument, and stores the target PC value through
this pointer. It examines the current state of the machine as needed.
@item GET_SAVED_REGISTER
findvar.c
Define this if you need to supply your own definition for the
function @code{get_saved_register}.
Currently this is only done for the a29k.
@item GPLUS_PRODUCER
dwarfread.c
@item GR64_REGNUM
remote-adapt.c
@item GR64_REGNUM
remote-mm.c
@item HANDLE_RBRAC
partial-stab.h
@item HAVE_68881
m68k-tdep.c
Very a29k-specific.
@item HAVE_REGISTER_WINDOWS
findvar.c
@item HAVE_SIGSETMASK
main.c
@item HAVE_TERMIO
inflow.c
@item HEADER_SEEK_FD
arm-tdep.c
@item HOSTING_ONLY
xm-rtbsd.h
@item HP_OS_BUG
infrun.c
Define this if the target has register windows.
@item REGISTER_IN_WINDOW_P regnum
Define this to be an expression that is 1 is the given register is
in the window.
@item IBM6000_TARGET
Shows that we are configured for an IBM RS/6000 target. This conditional
@ -2208,9 +2130,10 @@ should be eliminated (FIXME) and replaced by feature-specific macros.
It was introduced in haste and we are repenting at leisure.
@item IEEE_FLOAT
valprint.c
@item IGNORE_SYMBOL
dbxread.c
Define this if the target system uses IEEE-format floating point numbers.
@item IGNORE_SYMBOL type
This seems to be no longer used.
@item INIT_EXTRA_FRAME_INFO (fromleaf, fci)
If defined, this should be a C expression or statement that fills
@ -2227,36 +2150,43 @@ to by @var{prev}. [By default...]
Define this to be either @code{<} if the target's stack grows
downward in memory, or @code{>} is the stack grows upwards.
@item IN_GDB
i960-pinsn.c
@item IN_SIGTRAMP
infrun.c
@item IN_SOLIB_TRAMPOLINE
infrun.c
@item IS_TRAPPED_INTERNALVAR
values.c
@item IN_SIGTRAMP pc name
Define this to return true if the given pc and/or name indicates
that the current function is a sigtramp.
@item SIGTRAMP_START
@item SIGTRAMP_END
Define these to be the start and end address of the sigtramp.
These will be used if defined, and @code{IN_SIGTRAMP} is not;
otherwise the name of the sigtramp will be assumed to be @code{_sigtramp}.
@item IN_SOLIB_TRAMPOLINE pc name
Define this to evaluate to nonzero if the program is stopped in
the trampoline that connects to a shared library.
@item IS_TRAPPED_INTERNALVAR name
This is an ugly hook to allow the specification of special actions
that should occur as a side-effect of setting the value of a variable
internal to GDB. Currently only used by the h8500.
Note that this could be either a host or target conditional.
@item KERNEL_DEBUGGING
tm-ultra3.h
@item LCC_PRODUCER
dwarfread.c
@item LOG_FILE
remote-adapt.c
@item L_LNNO32
coffread.c
@item MACHKERNELDEBUG
hppabsd-tdep.c
@item MAINTENANCE
dwarfread.c
@item MIPSEL
mips-tdep.c
@item MOTOROLA
xm-altos.h
@item NBPG
altos-xdep.c
@item NEED_POSIX_SETPGID
infrun.c
@item NEED_TEXT_START_END
exec.c
Define this if GDB should determine the start and end addresses
of the text section. (Seems dubious.)
@item NOTICE_SIGNAL_HANDLING_CHANGE
infrun.c
@item NO_HIF_SUPPORT
@ -2272,8 +2202,6 @@ It must insert breakpoints at each possible destinations of the next
instruction. See @code{sparc-tdep.c} and @code{rs6000-tdep.c}
for examples.
@item NS32K_SVC_IMMED_OPERANDS
ns32k-opcode.h
@item NUMERIC_REG_NAMES
mips-tdep.c
@item N_SETV
@ -2282,8 +2210,6 @@ dbxread.c
hppabsd-tdep.c
@item ONE_PROCESS_WRITETEXT
breakpoint.c
@item PC
convx-opcode.h
@item PCC_SOL_BROKEN
dbxread.c
@item PC_IN_CALL_DUMMY
@ -2307,22 +2233,27 @@ Currently, this is only defined for the Motorola 88K.
infcmd.c
@item PRINT_REGISTER_HOOK
infcmd.c
@item PRINT_TYPELESS_INTEGER
valprint.c
This is an obscure substitute for @code{print_longest} that
seems to have been defined for the Convex target.
@item PROCESS_LINENUMBER_HOOK
buildsym.c
@item PROLOGUE_FIRSTLINE_OVERLAP
infrun.c
@item PSIGNAL_IN_SIGNAL_H
defs.h
@item PS_REGNUM
parse.c
@item PUSH_ARGUMENTS
valops.c
@item REGISTER_BYTES
remote.c
@item REGISTER_NAMES
tm-a29k.h
Define this to expand into an initializer of an array of strings.
Each string is the name of a register.
[more detail]
@item REG_STACK_SEGMENT
exec.c
@item REG_STRUCT_HAS_ADDR
@ -2374,8 +2305,6 @@ into GDB regnums. If not defined, no conversion will be done.
@item STACK_ALIGN
valops.c
@item START_INFERIOR_TRAPS_EXPECTED
infrun.c
@item STOP_SIGNAL
main.c
@ -2475,7 +2404,7 @@ remote-vx.c
Motorola M68K target conditionals.
@table
@table @code
@item BPT_VECTOR
Define this to be the 4-bit location of the breakpoint trap vector.
@ -2500,6 +2429,14 @@ in @file{nm-@var{system}.h}.
If defined, then GDB will include support for the @code{attach} and
@code{detach} commands.
@item CHILD_PREPARE_TO_STORE
If the machine stores all registers at once in the child process,
then define this to ensure that all values are correct.
This usually entails a read from the child.
[Note that this is incorrectly defined in @file{xm-@var{system}.h}
files currently.]
@item FETCH_INFERIOR_REGISTERS
Define this if the native-dependent code will provide its
own routines
@ -2542,6 +2479,12 @@ in @var{filename} to be added to GDB's symbol table.
Define this to expand into any shared-library-relocation code
that you want to be run just after the child process has been forked.
@item START_INFERIOR_TRAPS_EXPECTED
When starting an inferior, GDB normally expects to trap twice;
once when the shell execs, and once when the program itself execs.
If the actual number of traps is something other than 2, then
define this macro to expand into the number expected.
@item USE_PROC_FS
This determines whether small routines in @file{*-tdep.c}, which
translate register values
@ -2560,6 +2503,12 @@ The default value means that u.u_ar0 @emph{points to} the location of the
registers. I'm guessing that @code{#define U_REGS_OFFSET 0} means that
u.u_ar0 @emph{is} the location of the registers.
@item CLEAR_SOLIB
objfiles.c
@item DEBUG_PTRACE
Define this to debug ptrace calls.
@end table
@node Obsolete Conditionals
@ -2571,6 +2520,7 @@ old uses should be removed as those parts of the debugger are
otherwise touched.
@table @code
@item STACK_END_ADDR
This macro used to define where the end of the stack appeared, for use
in interpreting core file formats that don't record this address in the
@ -2581,6 +2531,7 @@ and deleted from all of GDB's config files.
Any @file{@var{foo}-xdep.c} file that references STACK_END_ADDR
is so old that it has never been converted to use BFD. Now that's old!
@end table
@node XCOFF

51
gdb/objfiles.c
View File

@ -48,6 +48,9 @@ open_mapped_file PARAMS ((char *filename, long mtime, int mapped));
static CORE_ADDR
map_to_address PARAMS ((void));
static PTR
map_to_file PARAMS ((int));
#endif /* !defined(NO_MMALLOC) && defined(HAVE_MMAP) */
/* Externally visible variables that are owned by this module.
@ -144,11 +147,9 @@ allocate_objfile (abfd, mapped)
mapped);
if (fd >= 0)
{
CORE_ADDR mapto;
PTR md;
if (((mapto = map_to_address ()) == 0) ||
((md = mmalloc_attach (fd, (PTR) mapto)) == NULL))
if ((md = map_to_file (fd)) == NULL)
{
close (fd);
}
@ -870,6 +871,50 @@ map_to_address ()
}
static PTR
map_to_file (fd)
int fd;
{
PTR md;
CORE_ADDR mapto;
int tempfd;
md = mmalloc_attach (fd, (PTR) 0);
if (md != NULL)
{
mapto = (CORE_ADDR) mmalloc_getkey (md, 1);
md = mmalloc_detach (md);
if (md != NULL)
{
/* FIXME: should figure out why detach failed */
md = NULL;
}
else if (mapto != (CORE_ADDR) NULL)
{
/* This mapping file needs to be remapped at "mapto" */
md = mmalloc_attach (fd, (PTR) mapto);
}
else
{
/* This is a freshly created mapping file. */
mapto = (CORE_ADDR) mmalloc_findbase (20 * 1024 * 1024);
if (mapto != -1)
{
/* To avoid reusing the freshly created mapping file, at the
address selected by mmap, we must truncate it before trying
to do an attach at the address we want. */
ftruncate (fd, 0);
md = mmalloc_attach (fd, (PTR) mapto);
if (md != NULL)
{
mmalloc_setkey (md, 1, (PTR) mapto);
}
}
}
}
return (md);
}
#endif /* !defined(NO_MMALLOC) && defined(HAVE_MMAP) */
/* Returns a section whose range includes PC or NULL if none found. */

62
gdb/utils.c
View File

@ -51,14 +51,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Prototypes for local functions */
#if defined (NO_MMALLOC) || defined (NO_MMALLOC_CHECK)
#else
static void
malloc_botch PARAMS ((void));
#endif /* NO_MMALLOC, etc */
static void
fatal_dump_core PARAMS((char *, ...));
@ -663,7 +655,7 @@ mfree (md, ptr)
#endif /* NO_MMALLOC */
#if defined (NO_MMALLOC) || defined (NO_MMALLOC_CHECK)
#if defined (NO_MMALLOC) || defined (NO_MMCHECK)
void
init_malloc (md)
@ -671,7 +663,7 @@ init_malloc (md)
{
}
#else /* have mmalloc and want corruption checking */
#else /* Have mmalloc and want corruption checking */
static void
malloc_botch ()
@ -683,7 +675,7 @@ malloc_botch ()
by MD, to detect memory corruption. Note that MD may be NULL to specify
the default heap that grows via sbrk.
Note that for freshly created regions, we must call mmcheck prior to any
Note that for freshly created regions, we must call mmcheckf prior to any
mallocs in the region. Otherwise, any region which was allocated prior to
installing the checking hooks, which is later reallocated or freed, will
fail the checks! The mmcheck function only allows initial hooks to be
@ -693,13 +685,24 @@ malloc_botch ()
Returns zero on failure, non-zero on success. */
#ifndef MMCHECK_FORCE
#define MMCHECK_FORCE 0
#endif
void
init_malloc (md)
PTR md;
{
if (!mmcheck (md, malloc_botch))
if (!mmcheckf (md, malloc_botch, MMCHECK_FORCE))
{
warning ("internal error: failed to install memory consistency checks");
/* Don't use warning(), which relies on current_target being set
to something other than dummy_target, until after
initialize_all_files(). */
fprintf_unfiltered
(gdb_stderr, "warning: failed to install memory consistency checks; ");
fprintf_unfiltered
(gdb_stderr, "configuration should define NO_MMCHECK or MMCHECK_FORCE\n");
}
mmtrace ();
@ -1951,8 +1954,7 @@ initialize_utils ()
SIGWINCH_HANDLER_BODY
#endif
#ifdef HAVE_LONG_DOUBLE
/* Support for converting target fp numbers into host long double format. */
/* Support for converting target fp numbers into host DOUBLEST format. */
/* XXX - This code should really be in libiberty/floatformat.c, however
configuration issues with libiberty made this very difficult to do in the
@ -2019,18 +2021,18 @@ get_field (data, order, total_len, start, len)
return result;
}
/* Convert from FMT to a long double.
/* Convert from FMT to a DOUBLEST.
FROM is the address of the extended float.
Store the long double in *TO. */
Store the DOUBLEST in *TO. */
void
floatformat_to_long_double (fmt, from, to)
floatformat_to_doublest (fmt, from, to)
const struct floatformat *fmt;
char *from;
long double *to;
DOUBLEST *to;
{
unsigned char *ufrom = (unsigned char *)from;
long double dto;
DOUBLEST dto;
long exponent;
unsigned long mant;
unsigned int mant_bits, mant_off;
@ -2141,6 +2143,7 @@ put_field (data, order, total_len, start, len, stuff_to_put)
}
}
#ifdef HAVE_LONG_DOUBLE
/* Return the fractional part of VALUE, and put the exponent of VALUE in *EPTR.
The range of the returned value is >= 0.5 and < 1.0. This is equivalent to
frexp, but operates on the long double data type. */
@ -2185,20 +2188,22 @@ ldfrexp (value, eptr)
*eptr = exp;
return value/tmp;
}
#endif /* HAVE_LONG_DOUBLE */
/* The converse: convert the long double *FROM to an extended float
/* The converse: convert the DOUBLEST *FROM to an extended float
and store where TO points. Neither FROM nor TO have any alignment
restrictions. */
void
floatformat_from_long_double (fmt, from, to)
floatformat_from_doublest (fmt, from, to)
CONST struct floatformat *fmt;
long double *from;
DOUBLEST *from;
char *to;
{
long double dfrom;
DOUBLEST dfrom;
int exponent;
long double mant;
DOUBLEST mant;
unsigned int mant_bits, mant_off;
int mant_bits_left;
unsigned char *uto = (unsigned char *)to;
@ -2227,7 +2232,12 @@ floatformat_from_long_double (fmt, from, to)
/* How to tell an infinity from an ordinary number? FIXME-someday */
#ifdef HAVE_LONG_DOUBLE
mant = ldfrexp (dfrom, &exponent);
#else
mant = frexp (dfrom, &exponent);
#endif
put_field (uto, fmt->byteorder, fmt->totalsize, fmt->exp_start, fmt->exp_len,
exponent + fmt->exp_bias - 1);
@ -2265,5 +2275,3 @@ floatformat_from_long_double (fmt, from, to)
mant_bits_left -= mant_bits;
}
}
#endif /* HAVE_LONG_DOUBLE */