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1998-06-07 13:32  Ulrich Drepper  <drepper@cygnus.com>

	* libc.map: Add _dl_profile.
	* elf/dl-reloc.c (_dl_relocate_object): Take extra argument, pass
	this to ELF_DYNAMIC_RELOCATE.
	Always allocate array for relocation result if LD_PROFILE is defined.
	* elf/ldsodefs.h: Adjust prototypes.
	* elf/dl-open.c (_dl_open): Call relocation function with extra
	argument.
	* elf/rtld.c: Likewise.
	* elf/dl-profile.c (_dl_mcount): Don't mark as internal function.
	Correct loop condition.
	* elf/dynamic-link.h: Don't examine _dl_profile variable, pass
	consider_profile to runtime setup function.
	* sysdeps/i386/dl-machine.h (elf_machine_runtime_setup): Use
	_dl_runtime_profile for all shared objects if LD_PROFILE is defined.

	* elf/dl-support.c: Define __libc_stack_end.
	* elf/rtld.c: Likewise.
	* sysdeps/generic/libc-start.c: Store last stack address in
	__libc_stack_end.
	* sysdeps/i386/dl-machine.h (_dl_start_user): Store stack address.
	* sysdeps/i386/elf/start.s: Call __libc_start_main with extra argument.

	* elf/elf.h: Include <features.h>, not <sys/cdefs.h>.
	Include <stdint.h>, not <inttypes.h>.

	* elf/sprof.c: Implement flat profiling.

	* libio/fgetc.c: Call _IO_cleanup_region_end with 0 and call
	_IO_funlockfile explicitly.
	* libio/fileops.c: Likewise.
	* libio/fputc.c: Likewise.
	* libio/freopen.c: Likewise.
	* libio/freopen64.c: Likewise.
	* libio/fseek.c: Likewise.
	* libio/fseeko.c: Likewise.
	* libio/fseeko64.c: Likewise.
	* libio/ftello.c: Likewise.
	* libio/ftello64.c: Likewise.
	* libio/getc.c: Likewise.
	* libio/getchar.c: Likewise.
	* libio/iofclose.c: Likewise.
	* libio/iofflush.c: Likewise.
	* libio/iofgetpos.c: Likewise.
	* libio/iofgetpos64.c: Likewise.
	* libio/iofgets.c: Likewise.
	* libio/iofputs.c: Likewise.
	* libio/iofread.c: Likewise.
	* libio/iofsetpos.c: Likewise.
	* libio/iofsetpos64.c: Likewise.
	* libio/ioftell.c: Likewise.
	* libio/iofwrite.c: Likewise.
	* libio/iogetdelim.c: Likewise.
	* libio/iogets.c: Likewise.
	* libio/ioputs.c: Likewise.
	* libio/ioseekoff.c: Likewise.
	* libio/ioseekpos.c: Likewise.
	* libio/iosetbuffer.c: Likewise.
	* libio/iosetvbuf.c: Likewise.
	* libio/ioungetc.c: Likewise.
	* libio/iovsprintf.c: Likewise.
	* libio/iovsscanf.c: Likewise.
	* libio/oldfileops.c: Likewise.
	* libio/oldiofclose.c: Likewise.
	* libio/peekc.c: Likewise.
	* libio/putc.c: Likewise.
	* libio/putchar.c: Likewise.
	* libio/rewind.c: Likewise.

	* malloc/mtrace.c: Pretty print.

	* misc/mntent.h (struct mentent): Make string elements const char *.

	* nis/nis_printf.c: Optimize I/O a little bit.

	* signal/Makefile (distribute): Add sigset-cvt-mask.h.
	* sysdeps/generic/sigset-cvt-mask.h: New file.
	* sysdeps/unix/sysv/linux/sigset-cvt-mask.h: New file.
	* sysdeps/unix/sysv/sysv4/sigset-cvt-mask.h: New file.
	* sysdeps/posix/sigvec.c: Rewrite the use definitions from
	sigset-cvt-mask.h to do the dirty work.
	Patches by Joe Keane.

	* sysdeps/posix/mkstemp.c: Save one precious byte of rodata.

	* sysdeps/unix/sysv/linux/i386/sysdep.h: Rewrite PSEUDO etc to make
	syscall_error label in case of PIC anonymous.
	* sysdeps/unix/sysv/linux/i386/i686/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/i386/clone.S: Adapt for this change.
	* sysdeps/unix/sysv/linux/i386/mmap.S: Adapt for this change.
	* sysdeps/unix/sysv/linux/i386/s_pread64.S: Adapt for this change.
	* sysdeps/unix/sysv/linux/i386/s_pwrite64.S: Adapt for this change.
	* sysdeps/unix/sysv/linux/i386/socket.S: Adapt for this change.
	* sysdeps/unix/sysv/linux/i386/syscall.S: Adapt for this change.
This commit is contained in:
Ulrich Drepper 1998-06-07 14:06:56 +00:00
parent 737547be99
commit c0fb8a563c
75 changed files with 700 additions and 292 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

96
ChangeLog
View File

@ -1,3 +1,99 @@
1998-06-07 13:32 Ulrich Drepper <drepper@cygnus.com>
* libc.map: Add _dl_profile.
* elf/dl-reloc.c (_dl_relocate_object): Take extra argument, pass
this to ELF_DYNAMIC_RELOCATE.
Always allocate array for relocation result if LD_PROFILE is defined.
* elf/ldsodefs.h: Adjust prototypes.
* elf/dl-open.c (_dl_open): Call relocation function with extra
argument.
* elf/rtld.c: Likewise.
* elf/dl-profile.c (_dl_mcount): Don't mark as internal function.
Correct loop condition.
* elf/dynamic-link.h: Don't examine _dl_profile variable, pass
consider_profile to runtime setup function.
* sysdeps/i386/dl-machine.h (elf_machine_runtime_setup): Use
_dl_runtime_profile for all shared objects if LD_PROFILE is defined.
* elf/dl-support.c: Define __libc_stack_end.
* elf/rtld.c: Likewise.
* sysdeps/generic/libc-start.c: Store last stack address in
__libc_stack_end.
* sysdeps/i386/dl-machine.h (_dl_start_user): Store stack address.
* sysdeps/i386/elf/start.s: Call __libc_start_main with extra argument.
* elf/elf.h: Include <features.h>, not <sys/cdefs.h>.
Include <stdint.h>, not <inttypes.h>.
* elf/sprof.c: Implement flat profiling.
* libio/fgetc.c: Call _IO_cleanup_region_end with 0 and call
_IO_funlockfile explicitly.
* libio/fileops.c: Likewise.
* libio/fputc.c: Likewise.
* libio/freopen.c: Likewise.
* libio/freopen64.c: Likewise.
* libio/fseek.c: Likewise.
* libio/fseeko.c: Likewise.
* libio/fseeko64.c: Likewise.
* libio/ftello.c: Likewise.
* libio/ftello64.c: Likewise.
* libio/getc.c: Likewise.
* libio/getchar.c: Likewise.
* libio/iofclose.c: Likewise.
* libio/iofflush.c: Likewise.
* libio/iofgetpos.c: Likewise.
* libio/iofgetpos64.c: Likewise.
* libio/iofgets.c: Likewise.
* libio/iofputs.c: Likewise.
* libio/iofread.c: Likewise.
* libio/iofsetpos.c: Likewise.
* libio/iofsetpos64.c: Likewise.
* libio/ioftell.c: Likewise.
* libio/iofwrite.c: Likewise.
* libio/iogetdelim.c: Likewise.
* libio/iogets.c: Likewise.
* libio/ioputs.c: Likewise.
* libio/ioseekoff.c: Likewise.
* libio/ioseekpos.c: Likewise.
* libio/iosetbuffer.c: Likewise.
* libio/iosetvbuf.c: Likewise.
* libio/ioungetc.c: Likewise.
* libio/iovsprintf.c: Likewise.
* libio/iovsscanf.c: Likewise.
* libio/oldfileops.c: Likewise.
* libio/oldiofclose.c: Likewise.
* libio/peekc.c: Likewise.
* libio/putc.c: Likewise.
* libio/putchar.c: Likewise.
* libio/rewind.c: Likewise.
* malloc/mtrace.c: Pretty print.
* misc/mntent.h (struct mentent): Make string elements const char *.
* nis/nis_printf.c: Optimize I/O a little bit.
* signal/Makefile (distribute): Add sigset-cvt-mask.h.
* sysdeps/generic/sigset-cvt-mask.h: New file.
* sysdeps/unix/sysv/linux/sigset-cvt-mask.h: New file.
* sysdeps/unix/sysv/sysv4/sigset-cvt-mask.h: New file.
* sysdeps/posix/sigvec.c: Rewrite the use definitions from
sigset-cvt-mask.h to do the dirty work.
Patches by Joe Keane.
* sysdeps/posix/mkstemp.c: Save one precious byte of rodata.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Rewrite PSEUDO etc to make
syscall_error label in case of PIC anonymous.
* sysdeps/unix/sysv/linux/i386/i686/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/i386/clone.S: Adapt for this change.
* sysdeps/unix/sysv/linux/i386/mmap.S: Adapt for this change.
* sysdeps/unix/sysv/linux/i386/s_pread64.S: Adapt for this change.
* sysdeps/unix/sysv/linux/i386/s_pwrite64.S: Adapt for this change.
* sysdeps/unix/sysv/linux/i386/socket.S: Adapt for this change.
* sysdeps/unix/sysv/linux/i386/syscall.S: Adapt for this change.
1998-06-05 Ulrich Drepper <drepper@cygnus.com>
* sunrpc/xdr_rec.c (xdrrec_create): Add cast for *_ops array since

6
configure vendored
View File

@ -3330,10 +3330,14 @@ while test -n "$ac_sources"; do
done
EOF
cat >> $CONFIG_STATUS <<EOF
echo '$config_vars' >> config.make; test -d bits || mkdir bits
config_vars='$config_vars'
EOF
cat >> $CONFIG_STATUS <<\EOF
case $CONFIG_FILES in *config.make*)
echo "$config_vars" >> config.make;;
esac
test -d bits || mkdir bits
exit 0
EOF
chmod +x $CONFIG_STATUS

3
elf/dl-open.c
View File

@ -102,7 +102,8 @@ _dl_open (const char *file, int mode)
asm ("" : "=r" (reloc) : "0" (reloc));
(*reloc) (l, _dl_object_relocation_scope (l),
(mode & RTLD_BINDING_MASK) == RTLD_LAZY);
((mode & RTLD_BINDING_MASK) == RTLD_LAZY
|| _dl_profile != NULL), _dl_profile != NULL);
*_dl_global_scope_end = NULL;
}

6
elf/dl-profile.c
View File

@ -436,7 +436,6 @@ _dl_start_profile (struct link_map *map, const char *output_dir)
void
internal_function
_dl_mcount (ElfW(Addr) frompc, ElfW(Addr) selfpc)
{
uint16_t *topcindex;
@ -479,7 +478,7 @@ _dl_mcount (ElfW(Addr) frompc, ElfW(Addr) selfpc)
/* We have to look through the chain of arcs whether there is already
an entry for our arc. */
while (fromp->here->from_pc == frompc)
while (fromp->here->from_pc != frompc)
{
if (fromp->link != 0)
do
@ -523,8 +522,7 @@ _dl_mcount (ElfW(Addr) frompc, ElfW(Addr) selfpc)
data[newarc].self_pc = selfpc;
data[newarc].count = 0;
fromp->link = 0;
narcs++;
++narcs;
break;
}

7
elf/dl-reloc.c
View File

@ -28,7 +28,8 @@
void
internal_function
_dl_relocate_object (struct link_map *l, struct link_map *scope[], int lazy)
_dl_relocate_object (struct link_map *l, struct link_map *scope[], int lazy,
int consider_profiling)
{
if (l->l_relocated)
return;
@ -72,9 +73,9 @@ _dl_relocate_object (struct link_map *l, struct link_map *scope[], int lazy)
l->l_name, (flags)))
#include "dynamic-link.h"
ELF_DYNAMIC_RELOCATE (l, lazy, 1);
ELF_DYNAMIC_RELOCATE (l, lazy, consider_profiling);
if (_dl_profile_map == l)
if (_dl_profile != NULL)
{
/* Allocate the array which will contain the already found
relocations. */

3
elf/dl-support.c
View File

@ -58,6 +58,9 @@ struct link_map *_dl_profile_map;
/* Names of shared object for which the RPATHs should be ignored. */
const char *_dl_inhibit_rpath;
/* This is the address of the last stack address ever used. */
void *__libc_stack_end;
static void non_dynamic_init (void) __attribute__ ((unused));

8
elf/dynamic-link.h
View File

@ -1,5 +1,5 @@
/* Inline functions for dynamic linking.
Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -161,10 +161,8 @@ elf_get_dynamic_info (ElfW(Dyn) *dyn,
to inline functions containing inlines themselves. */
#define ELF_DYNAMIC_RELOCATE(map, lazy, consider_profile) \
do { \
int profile = (consider_profile && _dl_profile != NULL \
&& _dl_name_match_p (_dl_profile, (map))); \
int edr_lazy = elf_machine_runtime_setup ((map), (lazy) || profile, \
profile); \
int edr_lazy = elf_machine_runtime_setup ((map), (lazy), \
(consider_profile)); \
ELF_DYNAMIC_DO_REL ((map), edr_lazy); \
ELF_DYNAMIC_DO_RELA ((map), edr_lazy); \
} while (0)

6
elf/elf.h
View File

@ -1,5 +1,5 @@
/* This file defines standard ELF types, structures, and macros.
Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ian Lance Taylor <ian@cygnus.com>.
@ -21,13 +21,13 @@
#ifndef _ELF_H
#define _ELF_H 1
#include <sys/cdefs.h>
#include <features.h>
__BEGIN_DECLS
/* Standard ELF types. */
#include <inttypes.h>
#include <stdint.h>
/* Type for a 16-bit quantity. */
typedef uint16_t Elf32_Half;

6
elf/ldsodefs.h
View File

@ -363,7 +363,8 @@ extern struct link_map *_dl_new_object (char *realname, const char *libname,
If LAZY is nonzero, don't relocate its PLT. */
extern void _dl_relocate_object (struct link_map *map,
struct link_map *scope[],
int lazy) internal_function;
int lazy, int consider_profiling)
internal_function;
/* Check the version dependencies of all objects available through
MAP. If VERBOSE print some more diagnostics. */
@ -406,8 +407,7 @@ extern void _dl_start_profile (struct link_map *map, const char *output_dir)
internal_function;
/* The actual functions used to keep book on the calls. */
extern void _dl_mcount (ElfW(Addr) frompc, ElfW(Addr) selfpc)
internal_function;
extern void _dl_mcount (ElfW(Addr) frompc, ElfW(Addr) selfpc);
/* Show the members of the auxiliary array passed up from the kernel. */

15
elf/rtld.c
View File

@ -93,6 +93,9 @@ const char *_dl_inhibit_rpath; /* RPATH values which should be
never be called. */
int _dl_starting_up;
/* This variable contains the lowest stack address ever used. */
void *__libc_stack_end;
static void dl_main (const ElfW(Phdr) *phdr,
ElfW(Half) phent,
ElfW(Addr) *user_entry);
@ -201,7 +204,7 @@ relocate_doit (void *a)
struct relocate_args *args = (struct relocate_args *) a;
_dl_relocate_object (args->l, _dl_object_relocation_scope (args->l),
args->lazy);
args->lazy, 0);
}
static void
@ -852,6 +855,11 @@ of this helper program; chances are you did not intend to run this program.\n\
know that because it is self-contained). */
struct link_map *l;
int consider_profiling = _dl_profile != NULL;
/* If we are profiling we also must do lazy reloaction. */
lazy |= consider_profiling;
l = _dl_loaded;
while (l->l_next)
l = l->l_next;
@ -859,7 +867,8 @@ of this helper program; chances are you did not intend to run this program.\n\
{
if (l != &_dl_rtld_map)
{
_dl_relocate_object (l, _dl_object_relocation_scope (l), lazy);
_dl_relocate_object (l, _dl_object_relocation_scope (l), lazy,
consider_profiling);
*_dl_global_scope_end = NULL;
}
l = l->l_prev;
@ -875,7 +884,7 @@ of this helper program; chances are you did not intend to run this program.\n\
if (_dl_rtld_map.l_opencount > 0)
/* There was an explicit ref to the dynamic linker as a shared lib.
Re-relocate ourselves with user-controlled symbol definitions. */
_dl_relocate_object (&_dl_rtld_map, &_dl_default_scope[2], 0);
_dl_relocate_object (&_dl_rtld_map, &_dl_default_scope[2], 0, 0);
}
{

218
elf/sprof.c
View File

@ -68,15 +68,15 @@ extern int __profile_frequency __P ((void));
static void print_version (FILE *stream, struct argp_state *state);
void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version;
#define OPT_COUNT_TOTAL 1
#define OPT_TEST 2
#define OPT_TEST 1
/* Definitions of arguments for argp functions. */
static const struct argp_option options[] =
{
{ NULL, 0, NULL, 0, N_("Output selection:") },
{ "count-total", OPT_COUNT_TOTAL, NULL, 0,
N_("print number of invocations for each function") },
{ "flat-profile", 'p', NULL, 0,
N_("generate flat profile with counts and ticks") },
{ "test", OPT_TEST, NULL, OPTION_HIDDEN, NULL },
{ NULL, 0, NULL, 0, NULL }
};
@ -101,7 +101,9 @@ static struct argp argp =
static enum
{
NONE = 0,
COUNT_TOTAL
FLAT_MODE = 1 << 0,
DEFAULT_MODE = FLAT_MODE
} mode;
/* If nonzero the total number of invocations of a function is emitted. */
@ -135,6 +137,7 @@ struct known_symbol
size_t size;
uintmax_t ticks;
uintmax_t calls;
};
@ -173,6 +176,7 @@ struct profdata
off_t size;
char *hist;
struct gmon_hist_hdr *hist_hdr;
uint16_t *kcount;
uint32_t narcs; /* Number of arcs in toset. */
struct here_cg_arc_record *data;
@ -192,7 +196,9 @@ static void unload_shobj (struct shobj *shobj);
static struct profdata *load_profdata (const char *name, struct shobj *shobj);
static void unload_profdata (struct profdata *profdata);
static void count_total_ticks (struct shobj *shobj, struct profdata *profdata);
static void count_calls (struct shobj *shobj, struct profdata *profdata);
static void read_symbols (struct shobj *shobj);
static void generate_flat_profile (struct profdata *profdata);
int
@ -266,26 +272,19 @@ no filename for profiling data given and shared object `%s' has no soname"),
read_symbols (shobj_handle);
/* Count the ticks. */
count_total_ticks (shobj_handle, profdata_handle);
/* Count the calls. */
count_calls (shobj_handle, profdata_handle);
/* If no mode is specified fall back to the default mode. */
if (mode == NONE)
mode = DEFAULT_MODE;
/* Do some work. */
switch (mode)
{
case COUNT_TOTAL:
count_total_ticks (shobj_handle, profdata_handle);
{
size_t n;
for (n = 0; n < symidx; ++n)
if (sortsym[n]->ticks != 0)
printf ("Name: %-30s, Ticks: %" PRIdMAX "\n", sortsym[n]->name,
sortsym[n]->ticks);
printf ("Total ticks: %" PRIdMAX "\n", total_ticks);
}
break;
case NONE:
/* Do nothing. */
break;
default:
assert (! "Internal error");
}
if (mode & FLAT_MODE)
generate_flat_profile (profdata_handle);
/* Free the resources. */
unload_shobj (shobj_handle);
@ -301,9 +300,6 @@ parse_opt (int key, char *arg, struct argp_state *state)
{
switch (key)
{
case OPT_COUNT_TOTAL:
mode = COUNT_TOTAL;
break;
case OPT_TEST:
do_test = 1;
break;
@ -689,6 +685,8 @@ load_profdata (const char *name, struct shobj *shobj)
/* Pointer to data after the header. */
result->hist = (char *) ((struct gmon_hdr *) addr + 1);
result->hist_hdr = (struct gmon_hist_hdr *) ((char *) result->hist
+ sizeof (uint32_t));
result->kcount = (uint16_t *) ((char *) result->hist + sizeof (uint32_t)
+ sizeof (struct gmon_hist_hdr));
@ -709,7 +707,7 @@ load_profdata (const char *name, struct shobj *shobj)
*(char **) hist_hdr.high_pc = (char *) shobj->highpc - shobj->map->l_addr;
if (do_test)
printf ("low_pc = %p\nhigh_pc = %p\n",
hist_hdr.low_pc, hist_hdr.high_pc);
*(char **) hist_hdr.low_pc, *(char **) hist_hdr.high_pc);
*(int32_t *) hist_hdr.hist_size = shobj->kcountsize / sizeof (HISTCOUNTER);
*(int32_t *) hist_hdr.prof_rate = __profile_frequency ();
strncpy (hist_hdr.dimen, "seconds", sizeof (hist_hdr.dimen));
@ -718,7 +716,7 @@ load_profdata (const char *name, struct shobj *shobj)
/* Test whether the header of the profiling data is ok. */
if (memcmp (addr, &gmon_hdr, sizeof (struct gmon_hdr)) != 0
|| *(uint32_t *) result->hist != GMON_TAG_TIME_HIST
|| memcmp (result->hist + sizeof (uint32_t), &hist_hdr,
|| memcmp (result->hist_hdr, &hist_hdr,
sizeof (struct gmon_hist_hdr)) != 0
|| narcsp[-1] != GMON_TAG_CG_ARC)
{
@ -802,6 +800,49 @@ count_total_ticks (struct shobj *shobj, struct profdata *profdata)
}
static struct known_symbol *
find_symbol (uintptr_t addr)
{
size_t sidx = 0;
while (sidx < symidx)
{
uintptr_t start = sortsym[sidx]->addr;
uintptr_t end = start + sortsym[sidx]->size;
if (addr >= start && addr < end)
return sortsym[sidx];
if (addr < start)
break;
++sidx;
}
return NULL;
}
static void
count_calls (struct shobj *shobj, struct profdata *profdata)
{
struct here_cg_arc_record *data = profdata->data;
uint32_t narcs = profdata->narcs;
uint32_t cnt;
for (cnt = 0; cnt < narcs; ++cnt)
{
uintptr_t here = data[cnt].self_pc;
struct known_symbol *symbol;
/* Find the symbol for this address. */
symbol = find_symbol (here);
if (symbol != NULL)
symbol->calls += data[cnt].count;
}
}
static int
symorder (const void *o1, const void *o2)
{
@ -843,6 +884,7 @@ read_symbols (struct shobj *shobj)
|| ELFW(ST_TYPE) (sym->st_info) == STT_NOTYPE)
&& sym->st_size != 0)
{
struct known_symbol **existp;
struct known_symbol *newsym
= (struct known_symbol *) obstack_alloc (&shobj->ob_sym,
sizeof (*newsym));
@ -853,9 +895,25 @@ read_symbols (struct shobj *shobj)
newsym->addr = sym->st_value;
newsym->size = sym->st_size;
newsym->ticks = 0;
newsym->calls = 0;
tsearch (newsym, &symroot, symorder);
++n;
existp = tfind (newsym, &symroot, symorder);
if (existp == NULL)
{
/* New function. */
tsearch (newsym, &symroot, symorder);
++n;
}
else
{
/* The function is already defined. See whether we have
a better name here. */
if ((*existp)->name[0] == '_' && newsym->name[0] != '_')
*existp = newsym;
else
/* We don't need the allocated memory. */
obstack_free (&shobj->ob_sym, newsym);
}
}
}
else
@ -872,11 +930,12 @@ read_symbols (struct shobj *shobj)
dynamic symbol table!! */
while ((void *) symtab < (void *) strtab)
{
if (/*(ELFW(ST_TYPE)(symtab->st_info) == STT_FUNC
|| ELFW(ST_TYPE)(symtab->st_info) == STT_NOTYPE)
&&*/ symtab->st_size != 0)
if ((ELFW(ST_TYPE)(symtab->st_info) == STT_FUNC
|| ELFW(ST_TYPE)(symtab->st_info) == STT_NOTYPE)
&& symtab->st_size != 0)
{
struct known_symbol *newsym;
struct known_symbol **existp;
newsym =
(struct known_symbol *) obstack_alloc (&shobj->ob_sym,
@ -889,8 +948,23 @@ read_symbols (struct shobj *shobj)
newsym->size = symtab->st_size;
newsym->ticks = 0;
tsearch (newsym, &symroot, symorder);
++n;
existp = tfind (newsym, &symroot, symorder);
if (existp == NULL)
{
/* New function. */
tsearch (newsym, &symroot, symorder);
++n;
}
else
{
/* The function is already defined. See whether we have
a better name here. */
if ((*existp)->name[0] == '_' && newsym->name[0] != '_')
*existp = newsym;
else
/* We don't need the allocated memory. */
obstack_free (&shobj->ob_sym, newsym);
}
}
}
@ -903,3 +977,75 @@ read_symbols (struct shobj *shobj)
twalk (symroot, printsym);
}
static int
countorder (const void *p1, const void *p2)
{
struct known_symbol *s1 = (struct known_symbol *) p1;
struct known_symbol *s2 = (struct known_symbol *) p2;
if (s1->ticks != s2->ticks)
return (int) (s2->ticks - s1->ticks);
if (s1->calls != s2->calls)
return (int) (s2->calls - s1->calls);
return strcmp (s1->name, s2->name);
}
static double tick_unit;
static uintmax_t cumu_ticks;
static void
printflat (const void *node, VISIT value, int level)
{
if (value == leaf || value == postorder)
{
struct known_symbol *s = *(struct known_symbol **) node;
cumu_ticks += s->ticks;
printf ("%6.2f%10.2f%9.2f%9" PRIdMAX "%9.2f%9.2f %s\n",
total_ticks ? (100.0 * s->ticks) / total_ticks : 0.0,
tick_unit * cumu_ticks,
tick_unit * s->ticks,
s->calls,
s->calls ? (s->ticks * 1000000) * tick_unit / s->calls : 0,
0.0, /* FIXME: don't know about called functions. */
s->name);
}
}
/* ARGUSED */
static void
freenoop (void *p)
{
}
static void
generate_flat_profile (struct profdata *profdata)
{
size_t n;
void *data = NULL;
tick_unit = 1.0 / *(uint32_t *) profdata->hist_hdr->prof_rate;
printf ("Flat profile:\n\n"
"Each sample counts as %g %s.\n",
tick_unit, profdata->hist_hdr->dimen);
fputs (" % cumulative self self total\n"
" time seconds seconds calls us/call us/call name\n",
stdout);
for (n = 0; n < symidx; ++n)
if (sortsym[n]->calls != 0 || sortsym[n]->ticks != 0)
tsearch (sortsym[n], &data, countorder);
twalk (data, printflat);
tdestroy (data, freenoop);
}

5
libc.map
View File

@ -474,6 +474,7 @@ GLIBC_2.1 {
# global variables
_IO_2_1_stdin_; _IO_2_1_stdout_; _IO_2_1_stderr_;
__gconv_alias_db; __gconv_nmodules; __gconv_modules_db;
_dl_profile;
# This is for ix86 only.
_fp_hw;
@ -489,6 +490,7 @@ GLIBC_2.1 {
__syscall_rt_sigqueueinfo;
__xstat64; __fxstat64; __lxstat64;
__pread64; __pwrite64;
__backtrace; __backtracesyms;
# helper functions
__libc_current_sigrtmin; __libc_current_sigrtmax; __libc_allocate_rtsig;
@ -533,6 +535,9 @@ GLIBC_2.1 {
authdes_create; authdes_getucred; authdes_pk_create;
# b*
backtrace; backtracesyms;
# c*
capget; capset; cbc_crypt; creat64;

5
libio/fgetc.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -35,6 +35,7 @@ fgetc (fp)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_getc_unlocked (fp);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
}

3
libio/fileops.c
View File

@ -460,7 +460,8 @@ _IO_file_sync (fp)
fp->_offset = _IO_pos_BAD;
/* FIXME: Cleanup - can this be shared? */
/* setg(base(), ptr, ptr); */
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return retval;
}

5
libio/fputc.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -36,6 +36,7 @@ fputc (c, fp)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_putc_unlocked (c, fp);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
}

3
libio/freopen.c
View File

@ -54,6 +54,7 @@ freopen (filename, mode, fp)
else
#endif
result = _IO_freopen (filename, mode, fp);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
}

5
libio/freopen64.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -40,7 +40,8 @@ freopen64 (filename, mode, fp)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_freopen64 (filename, mode, fp);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
#else
__set_errno (ENOSYS);

5
libio/fseek.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -37,6 +37,7 @@ fseek (fp, offset, whence)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_fseek (fp, offset, whence);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
}

5
libio/fseeko.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -37,6 +37,7 @@ fseeko (fp, offset, whence)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_fseek (fp, offset, whence);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
}

5
libio/fseeko64.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -39,7 +39,8 @@ fseeko64 (fp, offset, whence)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_fseek (fp, offset, whence);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
#else
__set_errno (ENOSYS);

5
libio/ftello.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -37,7 +37,8 @@ ftello (fp)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
pos = _IO_seekoff (fp, 0, _IO_seek_cur, 0);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
if (pos == _IO_pos_BAD)
{
#ifdef EIO

5
libio/ftello64.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -38,7 +38,8 @@ ftello64 (fp)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
pos = _IO_seekoff (fp, 0, _IO_seek_cur, 0);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
if (pos == _IO_pos_BAD)
{
#ifdef EIO

5
libio/getc.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -37,7 +37,8 @@ _IO_getc (fp)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_getc_unlocked (fp);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
}

7
libio/getchar.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -33,8 +33,9 @@ getchar ()
{
int result;
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, stdin);
_IO_flockfile (stdin);
_IO_flockfile (_IO_stdin);
result = _IO_getc_unlocked (stdin);
_IO_cleanup_region_end (1);
_IO_funlockfile (_IO_stdin);
_IO_cleanup_region_end (0);
return result;
}

3
libio/iofclose.c
View File

@ -43,7 +43,8 @@ _IO_new_fclose (fp)
else
status = fp->_flags & _IO_ERR_SEEN ? -1 : 0;
_IO_FINISH (fp);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
if (fp != _IO_stdin && fp != _IO_stdout && fp != _IO_stderr)
{
fp->_IO_file_flags = 0;

5
libio/iofflush.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -39,7 +39,8 @@ _IO_fflush (fp)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_SYNC (fp) ? EOF : 0;
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
}
}

5
libio/iofgetpos.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -36,7 +36,8 @@ _IO_fgetpos (fp, posp)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
pos = _IO_seekoff (fp, 0, _IO_seek_cur, 0);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
if (pos == _IO_pos_BAD)
{
/* ANSI explicitly requires setting errno to a positive value on

5
libio/iofgetpos64.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -37,7 +37,8 @@ _IO_fgetpos64 (fp, posp)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
pos = _IO_seekoff (fp, 0, _IO_seek_cur, 0);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
if (pos == _IO_pos_BAD)
{
/* ANSI explicitly requires setting errno to a positive value on

5
libio/iofgets.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -54,7 +54,8 @@ _IO_fgets (buf, n, fp)
result = buf;
}
fp->_IO_file_flags |= old_error;
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
}

5
libio/iofputs.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -40,7 +40,8 @@ _IO_fputs (str, fp)
result = EOF;
else
result = 1;
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
}

5
libio/iofread.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -40,7 +40,8 @@ _IO_fread (buf, size, count, fp)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
bytes_read = _IO_sgetn (fp, (char *) buf, bytes_requested);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return bytes_requested == bytes_read ? count : bytes_read / size;
}

5
libio/iofsetpos.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -47,7 +47,8 @@ _IO_fsetpos (fp, posp)
}
else
result = 0;
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
}

5
libio/iofsetpos64.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -48,7 +48,8 @@ _IO_fsetpos64 (fp, posp)
}
else
result = 0;
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
#else
__set_errno (ENOSYS);

5
libio/ioftell.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -36,7 +36,8 @@ _IO_ftell (fp)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
pos = _IO_seekoff (fp, 0, _IO_seek_cur, 0);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
if (pos == _IO_pos_BAD)
{
#ifdef EIO

5
libio/iofwrite.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -40,7 +40,8 @@ _IO_fwrite (buf, size, count, fp)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
written = _IO_sputn (fp, (const char *) buf, request);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
/* Many traditional implementations return 0 if size==0 && count > 0,
but ANSI requires us to return count in this case. */
if (written == request)

5
libio/iogetdelim.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1994, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1994, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -115,7 +115,8 @@ _IO_getdelim (lineptr, n, delimiter, fp)
result = cur_len;
unlock_return:
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
}

5
libio/iogets.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -65,7 +65,8 @@ _IO_gets (buf)
buf[count] = 0;
retval = buf;
unlock_return:
_IO_cleanup_region_end (1);
_IO_funlockfile (_IO_stdin);
_IO_cleanup_region_end (0);
return retval;
}

5
libio/ioputs.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -40,7 +40,8 @@ _IO_puts (str)
result = len + 1;
else
result = EOF;
_IO_cleanup_region_end (1);
_IO_funlockfile (_IO_stdout);
_IO_cleanup_region_end (0);
return result;
}

5
libio/ioseekoff.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -49,6 +49,7 @@ _IO_seekoff (fp, offset, dir, mode)
}
retval = _IO_SEEKOFF (fp, offset, dir, mode);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return retval;
}

5
libio/ioseekpos.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -43,6 +43,7 @@ _IO_seekpos (fp, pos, mode)
_IO_free_backup_area (fp);
retval = _IO_SEEKPOS (fp, pos, mode);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return retval;
}

5
libio/iosetbuffer.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -38,7 +38,8 @@ _IO_setbuffer (fp, buf, size)
if (!buf)
size = 0;
(void) _IO_SETBUF (fp, buf, size);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
}
#ifdef weak_alias

5
libio/iosetvbuf.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -91,7 +91,8 @@ _IO_setvbuf (fp, buf, mode, size)
}
result = _IO_SETBUF (fp, buf, size) == NULL ? EOF : 0;
unlock_return:
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
}

5
libio/ioungetc.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -37,7 +37,8 @@ _IO_ungetc (c, fp)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_sputbackc (fp, (unsigned char) c);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
}

5
libio/iovsprintf.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -44,11 +44,8 @@ _IO_vsprintf (string, format, args)
_IO_init (&sf._sbf._f, 0);
_IO_JUMPS (&sf._sbf._f) = &_IO_str_jumps;
_IO_str_init_static (&sf._sbf._f, string, -1, string);
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, &sf);
_IO_flockfile (&sf._sbf._f);
ret = _IO_vfprintf (&sf._sbf._f, format, args);
_IO_putc_unlocked ('\0', &sf._sbf._f);
_IO_cleanup_region_end (1);
return ret;
}

3
libio/iovsscanf.c
View File

@ -41,10 +41,7 @@ _IO_vsscanf (string, format, args)
_IO_init (&sf._sbf._f, 0);
_IO_JUMPS (&sf._sbf._f) = &_IO_str_jumps;
_IO_str_init_static (&sf._sbf._f, (char*)string, 0, NULL);
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, &sf);
_IO_flockfile (&sf._sbf._f);
ret = _IO_vfscanf (&sf._sbf._f, format, args, NULL);
_IO_cleanup_region_end (1);
return ret;
}

3
libio/oldfileops.c
View File

@ -426,7 +426,8 @@ _IO_old_file_sync (fp)
fp->_old_offset = _IO_pos_BAD;
/* FIXME: Cleanup - can this be shared? */
/* setg(base(), ptr, ptr); */
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return retval;
}

5
libio/oldiofclose.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -44,7 +44,8 @@ _IO_old_fclose (fp)
else
status = fp->_flags & _IO_ERR_SEEN ? -1 : 0;
_IO_FINISH (fp);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
if (fp != _IO_stdin && fp != _IO_stdout && fp != _IO_stderr)
{
fp->_IO_file_flags = 0;

5
libio/peekc.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -37,6 +37,7 @@ _IO_peekc_locked (fp)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_peekc_unlocked (fp);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
}

5
libio/putc.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1991, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -31,7 +31,8 @@ _IO_putc (c, fp)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
result = _IO_putc_unlocked (c, fp);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return result;
}

5
libio/putchar.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1991, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -30,6 +30,7 @@ putchar (c)
_IO_stdout);
_IO_flockfile (_IO_stdout);
result = _IO_putc_unlocked (c, _IO_stdout);
_IO_cleanup_region_end (1);
_IO_funlockfile (_IO_stdout);
_IO_cleanup_region_end (0);
return result;
}

5
libio/rewind.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -34,5 +34,6 @@ rewind (fp)
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
_IO_rewind (fp);
_IO_cleanup_region_end (1);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
}

4
linuxthreads/ChangeLog
View File

@ -1,3 +1,7 @@
1998-06-07 13:47 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit.
1998-06-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* attr.c: Correct typo.

7
linuxthreads/sysdeps/pthread/bits/libc-lock.h
View File

@ -1,5 +1,5 @@
/* libc-internal interface for mutex locks. LinuxThreads version.
Copyright (C) 1996, 1997 Free Software Foundation, Inc.
Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -119,13 +119,14 @@ typedef pthread_key_t __libc_key_t;
/* Start critical region with cleanup. */
#define __libc_cleanup_region_start(FCT, ARG) \
{ struct _pthread_cleanup_buffer _buffer; \
if (_pthread_cleanup_push_defer != NULL) { \
int _avail = _pthread_cleanup_push_defer != NULL; \
if (_avail) { \
_pthread_cleanup_push_defer (&_buffer, (FCT), (ARG)); \
}
/* End critical region with cleanup. */
#define __libc_cleanup_region_end(DOIT) \
if (_pthread_cleanup_push_defer != NULL) { \
if (_avail) { \
_pthread_cleanup_pop_restore (&_buffer, (DOIT)); \
} \
}

9
malloc/mtrace.c
View File

@ -146,7 +146,7 @@ tr_mallochook (size, caller)
tr_where (caller);
/* We could be printing a NULL here; that's OK. */
fprintf (mallstream, "+ %p %#lx\n", hdr, (unsigned long)size);
fprintf (mallstream, "+ %p %#lx\n", hdr, (unsigned long int) size);
if (hdr == mallwatch)
tr_break ();
@ -184,11 +184,12 @@ tr_reallochook (ptr, size, caller)
tr_where (caller);
if (hdr == NULL)
/* Failed realloc. */
fprintf (mallstream, "! %p %#lx\n", ptr, (unsigned long)size);
fprintf (mallstream, "! %p %#lx\n", ptr, (unsigned long int) size);
else if (ptr == NULL)
fprintf (mallstream, "+ %p %#lx\n", hdr, (unsigned long)size);
fprintf (mallstream, "+ %p %#lx\n", hdr, (unsigned long int) size);
else
fprintf (mallstream, "< %p\n> %p %#lx\n", ptr, hdr, (unsigned long)size);
fprintf (mallstream, "< %p\n> %p %#lx\n", ptr, hdr,
(unsigned long int) size);
if (hdr == mallwatch)
tr_break ();

10
misc/mntent.h
View File

@ -1,5 +1,5 @@
/* Utilities for reading/writing fstab, mtab, etc.
Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -53,10 +53,10 @@ __BEGIN_DECLS
/* Structure describing a mount table entry. */
struct mntent
{
char *mnt_fsname; /* Device or server for filesystem. */
char *mnt_dir; /* Directory mounted on. */
char *mnt_type; /* Type of filesystem: ufs, nfs, etc. */
char *mnt_opts; /* Comma-separated options for fs. */
const char *mnt_fsname; /* Device or server for filesystem. */
const char *mnt_dir; /* Directory mounted on. */
const char *mnt_type; /* Type of filesystem: ufs, nfs, etc. */
const char *mnt_opts; /* Comma-separated options for fs. */
int mnt_freq; /* Dump frequency (in days). */
int mnt_passno; /* Pass number for `fsck'. */
};

19
nis/nis_print.c
View File

@ -1,4 +1,4 @@
/* Copyright (c) 1997 Free Software Foundation, Inc.
/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@ -150,7 +150,7 @@ nis_print_rights (const u_long access)
acc >>= 8;
}
printf ("%s", result);
fputs (result, stdout);
}
void
@ -176,20 +176,19 @@ nis_print_directory (const directory_obj *dir)
fputs (_("None.\n"), stdout);
break;
case NIS_PK_DH:
fprintf (stdout, _("Diffie-Hellmann (%d bits)\n"),
(sptr->pkey.n_len - 1) * 4);
printf (_("Diffie-Hellmann (%d bits)\n"),
(sptr->pkey.n_len - 1) * 4);
/* sptr->pkey.n_len counts the last 0, too */
break;
case NIS_PK_RSA:
fprintf (stdout, _("RSA (%d bits)\n"),
(sptr->pkey.n_len - 1) * 4);
printf (_("RSA (%d bits)\n"), (sptr->pkey.n_len - 1) * 4);
break;
case NIS_PK_KERB:
fputs (_("Kerberos.\n"), stdout);
break;
default:
fprintf (stdout, _("Unknown (type = %d, bits = %d)\n"),
sptr->key_type, (sptr->pkey.n_len - 1) * 4);
printf (_("Unknown (type = %d, bits = %d)\n"), sptr->key_type,
(sptr->pkey.n_len - 1) * 4);
break;
}
@ -214,7 +213,7 @@ nis_print_directory (const directory_obj *dir)
if (ptr->uaddr != NULL && strlen (ptr->uaddr) > 0)
printf ("%s\n", ptr->uaddr);
else
printf ("-\n");
fputs ("-\n", stdout);
ptr++;
}
}
@ -233,7 +232,7 @@ nis_print_directory (const directory_obj *dir)
{
nis_print_rights (ptr->oa_rights);
printf (_("\tType : %s\n"), nis_nstype2str (ptr->oa_otype));
printf (_("\tAccess rights: "));
fputs (_("\tAccess rights: "), stdout);
nis_print_rights (ptr->oa_rights);
fputs ("\n", stdout);
ptr++;

2
signal/Makefile
View File

@ -38,7 +38,7 @@ routines := signal raise killpg \
tests := tst-signal
distribute := sigsetops.h testrtsig.h
distribute := sigsetops.h testrtsig.h sigset-cvt-mask.h
include ../Rules

7
stdio-common/vfprintf.c
View File

@ -1472,7 +1472,12 @@ do_positional:
all_done:
/* Unlock the stream. */
__libc_cleanup_region_end (1);
#ifdef USE_IN_LIBIO
_IO_funlockfile (s);
#else
__funlockfile (s);
#endif
__libc_cleanup_region_end (0);
return done;
}

12
stdio-common/vfscanf.c
View File

@ -100,7 +100,9 @@
# define LOCK_STREAM(S) \
__libc_cleanup_region_start ((void (*) (void *)) &_IO_funlockfile, (S)); \
_IO_flockfile (S)
# define UNLOCK_STREAM __libc_cleanup_region_end (1)
# define UNLOCK_STREAM(S) \
_IO_funlockfile (S); \
__libc_cleanup_region_end (0)
#else
# define ungetc(c, s) ((void) (c != EOF && --read_in), ungetc (c, s))
# define inchar() (c == EOF ? EOF \
@ -143,12 +145,14 @@
# define flockfile(S) /* nothing */
# define funlockfile(S) /* nothing */
# define LOCK_STREAM(S)
# define UNLOCK_STREAM
# define UNLOCK_STREAM(S)
#else
# define LOCK_STREAM(S) \
__libc_cleanup_region_start (&__funlockfile, (S)); \
__flockfile (S)
# define UNLOCK_STREAM __libc_cleanup_region_end (1)
# define UNLOCK_STREAM(S) \
__funlockfile (S); \
__libc_cleanup_region_end (0)
#endif
#endif
@ -1216,7 +1220,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
}
/* Unlock stream. */
UNLOCK_STREAM;
UNLOCK_STREAM (s);
return done;
}

6
sysdeps/generic/libc-start.c
View File

@ -25,11 +25,12 @@ extern void __libc_init_first (int argc, char **argv, char **envp);
extern int _dl_starting_up;
weak_extern (_dl_starting_up)
extern int __libc_multiple_libcs;
extern void *__libc_stack_end;
int
__libc_start_main (int (*main) (int, char **, char **), int argc,
char **argv, void (*init) (void), void (*fini) (void),
void (*rtld_fini) (void))
void (*rtld_fini) (void), void *stack_end)
{
#ifndef PIC
/* The next variable is only here to work around a bug in gcc <= 2.7.2.2.
@ -38,6 +39,9 @@ __libc_start_main (int (*main) (int, char **, char **), int argc,
int *dummy_addr = &_dl_starting_up;
__libc_multiple_libcs = dummy_addr && !_dl_starting_up;
/* Store the lowest stack address. */
__libc_stack_end = stack_end;
#endif
/* Set the global _environ variable correctly. */

24
sysdeps/generic/sigset-cvt-mask.h Normal file
View File

@ -0,0 +1,24 @@
/* Convert between lowlevel sigmask and libc representation of sigset_t.
Generic version.
Copyright (C) 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Joe Keane <jgk@jgk.org>.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#define sigset_set_old_mask(set, mask) (*(set) = (unsigned long int) (mask))
#define sigset_get_old_mask(set, mask) ((mask) = (unsigned int) *(set))

9
sysdeps/i386/dl-machine.h
View File

@ -105,8 +105,11 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
if (profile)
{
got[2] = (Elf32_Addr) &_dl_runtime_profile;
/* Say that we really want profiling and the timers are started. */
_dl_profile_map = l;
if (_dl_name_match_p (_dl_profile, l))
/* This is the object we are looking for. Say that we really
want profiling and the timers are started. */
_dl_profile_map = l;
}
else
/* This function will get called to fix up the GOT entry indicated by
@ -209,6 +212,8 @@ _dl_start_user:\n\
call 0f\n\
0: popl %ebx\n\
addl $_GLOBAL_OFFSET_TABLE_+[.-0b], %ebx\n\
# Store the highest stack address\n\
movl %esp,__libc_stack_end@GOT(%ebx)\n\
# See if we were run as a command with the executable file\n\
# name as an extra leading argument.\n\
movl _dl_skip_args@GOT(%ebx), %eax\n\

5
sysdeps/i386/elf/start.S
View File

@ -53,6 +53,11 @@ _start:
boundary to avoid penalties from misaligned accesses. Thanks
to Edward Seidl <seidl@janed.com> for pointing this out. */
andl $0xfffffff8, %esp
/* Provide the highest stack address to the user code (for stacks
which grow downwards). */
pushl %esp
pushl %edx /* Push address of the shared library
termination function. */

2
sysdeps/posix/mkstemp.c
View File

@ -33,7 +33,7 @@ int
mkstemp (template)
char *template;
{
static const char letters[]
static const char letters[62]
= "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
static uint64_t value;
struct timeval tv;

160
sysdeps/posix/sigvec.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1991, 92, 94, 95, 96, 97 Free Software Foundation, Inc.
/* Copyright (C) 1991, 92, 94, 95, 96, 97, 98 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -20,55 +20,20 @@
#include <errno.h>
#include <stddef.h>
/* Include macros to convert between `sigset_t' and old-style mask. */
#include "sigset-cvt-mask.h"
/* We use a wrapper handler to support SV_RESETHAND. */
static __sighandler_t wrapped_handlers[NSIG];
static sigset_t wrapped_masks[NSIG];
static void wrapper_handler __P ((int sig));
static inline int convert_mask __P ((sigset_t *set, const int mask));
static void
wrapper_handler (sig)
int sig;
struct sigvec_wrapper_data
{
int save;
struct sigaction act;
__sighandler_t sw_handler;
unsigned int sw_mask;
};
act.sa_handler = SIG_DFL;
act.sa_mask = wrapped_masks[sig];
act.sa_flags = 0;
save = errno;
(void) __sigaction (sig, &act, (struct sigaction *) NULL);
__set_errno (save);
static void sigvec_wrapper_handler __P ((int sig));
(*wrapped_handlers[sig]) (sig);
}
static struct sigvec_wrapper_data sigvec_wrapper_data[NSIG];
static inline int
convert_mask (set, mask)
sigset_t *set;
const int mask;
{
register int sig;
if (sizeof (*set) == sizeof (mask))
*(int *) set = mask;
else if (sizeof (*set) == sizeof (unsigned long int))
*(unsigned long int *) set = (unsigned int) mask;
else
{
if (__sigemptyset (set) < 0)
return -1;
for (sig = 1; sig < NSIG && sig <= sizeof (mask) * 8; ++sig)
if ((mask & sigmask (sig)) && __sigaddset (set, sig) < 0)
return -1;
}
return 0;
}
/* If VEC is non-NULL, set the handler for SIG to the `sv_handler' member
of VEC. The signals in `sv_mask' will be blocked while the handler runs.
@ -91,25 +56,32 @@ __sigvec (sig, vec, ovec)
n = NULL;
else
{
n = &new;
n->sa_handler = vec->sv_handler;
if (convert_mask (&n->sa_mask, vec->sv_mask) < 0)
return -1;
n->sa_flags = 0;
__sighandler_t handler;
unsigned int mask;
unsigned int sv_flags;
unsigned int sa_flags;
if (vec->sv_flags & SV_ONSTACK)
handler = vec->sv_handler;
mask = vec->sv_mask;
sv_flags = vec->sv_flags;
sa_flags = 0;
if (sv_flags & SV_ONSTACK)
{
#ifdef SA_ONSTACK
n->sa_flags |= SA_ONSTACK;
sa_flags |= SA_ONSTACK;
#else
__set_errno (ENOSYS);
return -1;
#endif
}
#ifdef SA_RESTART
if (!(vec->sv_flags & SV_INTERRUPT))
n->sa_flags |= SA_RESTART;
if (!(sv_flags & SV_INTERRUPT))
sa_flags |= SA_RESTART;
#endif
n = &new;
new.sa_handler = handler;
sigset_set_old_mask (&new.sa_mask, mask);
new.sa_flags = sa_flags;
}
if (__sigaction (sig, n, &old) < 0)
@ -117,12 +89,18 @@ __sigvec (sig, vec, ovec)
}
else
{
__sighandler_t handler;
unsigned int mask;
struct sigvec_wrapper_data *data;
struct sigaction wrapper;
wrapper.sa_handler = wrapper_handler;
wrapped_handlers[sig] = vec->sv_handler;
if (convert_mask (&wrapped_masks[sig], vec->sv_mask) < 0)
return -1;
handler = vec->sv_handler;
mask = (unsigned int)vec->sv_mask;
data = &sigvec_wrapper_data[sig];
wrapper.sa_handler = sigvec_wrapper_handler;
/* FIXME: should we set wrapper.sa_mask, wrapper.sa_flags?? */
data->sw_handler = handler;
data->sw_mask = mask;
if (__sigaction (sig, &wrapper, &old) < 0)
return -1;
@ -130,38 +108,58 @@ __sigvec (sig, vec, ovec)
if (ovec != NULL)
{
register int i;
int mask = 0;
__sighandler_t handler;
unsigned int sv_flags;
unsigned int sa_flags;
unsigned int mask;
if (sizeof (int) == sizeof (sigset_t))
mask = *(int *) &old.sa_mask;
else if (sizeof (unsigned long int) == sizeof (sigset_t))
mask = *(unsigned long int *) &old.sa_mask;
else
for (i = 1; i < NSIG && i <= sizeof (mask) * 8; ++i)
if (__sigismember (&old.sa_mask, i))
mask |= sigmask (i);
ovec->sv_mask = mask;
ovec->sv_flags = 0;
handler = old.sa_handler;
sv_flags = 0;
sa_flags = old.sa_flags;
if (handler == sigvec_wrapper_handler)
{
handler = sigvec_wrapper_data[sig].sw_handler;
/* should we use data->sw_mask?? */
sv_flags |= SV_RESETHAND;
}
sigset_get_old_mask (&old.sa_mask, mask);
#ifdef SA_ONSTACK
if (old.sa_flags & SA_ONSTACK)
ovec->sv_flags |= SV_ONSTACK;
if (sa_flags & SA_ONSTACK)
sv_flags |= SV_ONSTACK;
#endif
#ifdef SA_RESTART
if (!(old.sa_flags & SA_RESTART))
if (!(sa_flags & SA_RESTART))
#endif
ovec->sv_flags |= SV_INTERRUPT;
if (old.sa_handler == wrapper_handler)
{
ovec->sv_flags |= SV_RESETHAND;
ovec->sv_handler = wrapped_handlers[sig];
}
else
ovec->sv_handler = old.sa_handler;
sv_flags |= SV_INTERRUPT;
ovec->sv_handler = handler;
ovec->sv_mask = (int)mask;
ovec->sv_flags = (int)sv_flags;
}
return 0;
}
weak_alias (__sigvec, sigvec)
static void
sigvec_wrapper_handler (sig)
int sig;
{
struct sigvec_wrapper_data *data;
unsigned int mask;
struct sigaction act;
int save;
__sighandler_t handler;
data = &sigvec_wrapper_data[sig];
mask = data->sw_mask;
act.sa_handler = SIG_DFL;
sigset_set_old_mask (&act.sa_mask, mask);
act.sa_flags = 0;
save = errno;
handler = data->sw_handler;
(void) __sigaction (sig, &act, (struct sigaction *) NULL);
__set_errno (save);
(*handler) (sig);
}

6
sysdeps/unix/sysv/linux/i386/clone.S
View File

@ -33,10 +33,10 @@ ENTRY(__clone)
movl $-EINVAL,%eax
movl 4(%esp),%ecx /* no NULL function pointers */
testl %ecx,%ecx
jz syscall_error
jz SYSCALL_ERROR_LABEL
movl 8(%esp),%ecx /* no NULL stack pointers */
testl %ecx,%ecx
jz syscall_error
jz SYSCALL_ERROR_LABEL
/* Insert the argument onto the new stack. */
subl $8,%ecx
@ -56,7 +56,7 @@ ENTRY(__clone)
popl %ebx
test %eax,%eax
jl syscall_error
jl SYSCALL_ERROR_LABEL
jz thread_start
L(pseudo_end):

19
sysdeps/unix/sysv/linux/i386/i686/sysdep.h
View File

@ -31,12 +31,10 @@
/* Store (- %eax) into errno through the GOT. */
# ifdef _LIBC_REENTRANT
# define SYSCALL_ERROR_HANDLER \
.type syscall_error,@function; \
0:movl (%esp),%ebx; \
1:movl (%esp),%ebx; \
ret; \
syscall_error: \
pushl %ebx; \
call 0b; \
0:pushl %ebx; \
call 1b; \
addl $_GLOBAL_OFFSET_TABLE_, %ebx; \
xorl %edx, %edx; \
subl %eax, %edx; \
@ -46,25 +44,22 @@ syscall_error: \
popl %ebx; \
movl %ecx, (%eax); \
movl $-1, %eax; \
jmp L(pseudo_end); \
.size syscall_error,.-syscall_error;
jmp L(pseudo_end);
/* A quick note: it is assumed that the call to `__errno_location' does
not modify the stack! */
# else
# define SYSCALL_ERROR_HANDLER \
.type syscall_error,@function; \
0:movl (%esp),%ecx; \
1:movl (%esp),%ecx; \
ret; \
syscall_error: \
call 0b; \
0:call 1b; \
addl $_GLOBAL_OFFSET_TABLE_, %ecx; \
xorl %edx, %edx; \
subl %eax, %edx; \
movl errno@GOT(%ecx), %ecx; \
movl %edx, (%ecx); \
movl $-1, %eax; \
jmp L(pseudo_end); \
.size syscall_error,.-syscall_error;
jmp L(pseudo_end);
# endif /* _LIBC_REENTRANT */
#endif /* PIC */

2
sysdeps/unix/sysv/linux/i386/mmap.S
View File

@ -37,7 +37,7 @@ ENTRY (__mmap)
/* If 0 > %eax > -4096 there was an error. */
cmpl $-4096, %eax
ja syscall_error
ja SYSCALL_ERROR_LABEL
/* Successful; return the syscall's value. */
L(pseudo_end):

8
sysdeps/unix/sysv/linux/i386/s_pread64.S
View File

@ -44,10 +44,10 @@ ENTRY (__syscall_pread64)
movl 0x10(%esp,1),%ebx
/* Load syscall number into %eax. */
movl $SYS_ify(pread), %eax
int $0x80 /* Do the system call. */
POPARGS_5 /* Restore register contents. */
cmpl $-4095, %eax /* Check %eax for error. */
jae syscall_error /* Jump to error handler if error. */
int $0x80 /* Do the system call. */
POPARGS_5 /* Restore register contents. */
cmpl $-4095, %eax /* Check %eax for error. */
jae SYSCALL_ERROR_LABEL /* Jump to error handler if error. */
#endif
L(pseudo_end):
ret /* Return to caller. */

8
sysdeps/unix/sysv/linux/i386/s_pwrite64.S
View File

@ -44,10 +44,10 @@ ENTRY (__syscall_pwrite64)
movl 0x10(%esp,1),%ebx
/* Load syscall number into %eax. */
movl $SYS_ify(pwrite), %eax
int $0x80 /* Do the system call. */
POPARGS_5 /* Restore register contents. */
cmpl $-4095, %eax /* Check %eax for error. */
jae syscall_error /* Jump to error handler if error. */
int $0x80 /* Do the system call. */
POPARGS_5 /* Restore register contents. */
cmpl $-4095, %eax /* Check %eax for error. */
jae SYSCALL_ERROR_LABEL /* Jump to error handler if error. */
#endif
L(pseudo_end):
ret /* Return to caller. */

2
sysdeps/unix/sysv/linux/i386/socket.S
View File

@ -55,7 +55,7 @@ ENTRY (__socket)
/* %eax is < 0 if there was an error. */
cmpl $-125, %eax
jae syscall_error
jae SYSCALL_ERROR_LABEL
/* Successful; return the syscall's value. */
L(pseudo_end):

2
sysdeps/unix/sysv/linux/i386/syscall.S
View File

@ -30,7 +30,7 @@ ENTRY (syscall)
int $0x80 /* Do the system call. */
POPARGS_5 /* Restore register contents. */
cmpl $-4095, %eax /* Check %eax for error. */
jae syscall_error /* Jump to error handler if error. */
jae SYSCALL_ERROR_LABEL /* Jump to error handler if error. */
L(pseudo_end):
ret /* Return to caller. */

35
sysdeps/unix/sysv/linux/i386/sysdep.h
View File

@ -46,13 +46,22 @@
is a real error number. Linus said he will make sure the no syscall
returns a value in -1 .. -4095 as a valid result so we can savely
test with -4095. */
/* We don't want the label for the error handle to be global when we define
it here. */
#ifdef PIC
# define SYSCALL_ERROR_LABEL 0f
#else
# define SYSCALL_ERROR_LABEL syscall_error
#endif
#undef PSEUDO
#define PSEUDO(name, syscall_name, args) \
.text; \
ENTRY (name) \
DO_CALL (args, syscall_name); \
cmpl $-4095, %eax; \
jae syscall_error; \
jae SYSCALL_ERROR_LABEL; \
L(pseudo_end):
#undef PSEUDO_END
@ -66,13 +75,11 @@
/* Store (- %eax) into errno through the GOT. */
#ifdef _LIBC_REENTRANT
#define SYSCALL_ERROR_HANDLER \
.type syscall_error,@function; \
syscall_error: \
pushl %ebx; \
call 0f; \
0:popl %ebx; \
0:pushl %ebx; \
call 1f; \
1:popl %ebx; \
xorl %edx, %edx; \
addl $_GLOBAL_OFFSET_TABLE_+[.-0b], %ebx; \
addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx; \
subl %eax, %edx; \
pushl %edx; \
call __errno_location@PLT; \
@ -80,24 +87,20 @@ syscall_error: \
popl %ebx; \
movl %ecx, (%eax); \
movl $-1, %eax; \
jmp L(pseudo_end); \
.size syscall_error,.-syscall_error;
jmp L(pseudo_end);
/* A quick note: it is assumed that the call to `__errno_location' does
not modify the stack! */
#else
#define SYSCALL_ERROR_HANDLER \
.type syscall_error,@function; \
syscall_error: \
call 0f; \
0:popl %ecx; \
0:call 1f; \
1:popl %ecx; \
xorl %edx, %edx; \
addl $_GLOBAL_OFFSET_TABLE_+[.-0b], %ecx; \
addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx; \
subl %eax, %edx; \
movl errno@GOT(%ecx), %ecx; \
movl %edx, (%ecx); \
movl $-1, %eax; \
jmp L(pseudo_end); \
.size syscall_error,.-syscall_error;
jmp L(pseudo_end);
#endif /* _LIBC_REENTRANT */
#endif /* PIC */

35
sysdeps/unix/sysv/linux/sigset-cvt-mask.h Normal file
View File

@ -0,0 +1,35 @@
/* Convert between lowlevel sigmask and libc representation of sigset_t.
Linux version.
Copyright (C) 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Joe Keane <jgk@jgk.org>.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#define sigset_set_old_mask(set, mask) \
do { \
unsigned long int *__ptr; \
int __cnt; \
__ptr = &(set)->__val[0]; \
*__ptr++ = (unsigned long int) (mask); \
__cnt = _SIGSET_NWORDS - 2; \
do \
*__ptr++ = 0ul; \
while (--__cnt >= 0); \
} while (0)
#define sigset_get_old_mask(set, mask) \
((mask) = (unsigned int) (set)->__val[0])

33
sysdeps/unix/sysv/sysv4/sigset-cvt-mask.h Normal file
View File

@ -0,0 +1,33 @@
/* Convert between lowlevel sigmask and libc representation of sigset_t.
SysVr4 version.
Copyright (C) 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Joe Keane <jgk@jgk.org>.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#define sigset_set_old_mask(set, mask) \
do { \
unsigned long int *__ptr; \
__ptr = &(set)->__sigbits[0]; \
__ptr[0] = (mask); \
__ptr[1] = 0ul; \
__ptr[2] = 0ul; \
__ptr[3] = 0ul; \
} while (0)
#define sigset_get_old_mask(set, mask) \
((mask) = (unsigned int) (set)->__sigbits[0])