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* elf/rtld.c: Define _dl_bind_not variable.
	(process_envvars): Recognize LD_BIND_NOT and set _dl_bind_not.
	* elf/dl-support.c: Likewise.
	* sysdeps/generic/ldsodefs.h: Declare _dl_bind_not.
	* elf/dl-runtime.c (fixup): Don't remember looked up value if
	_dl_bind_not.
	(profile_fixup): Likewise.
This commit is contained in:
Ulrich Drepper 2000-07-21 06:43:05 +00:00
parent d052b31b79
commit f53c03c20d
5 changed files with 28 additions and 2 deletions
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8
ChangeLog
View File

@ -1,5 +1,13 @@
2000-07-20 Ulrich Drepper <drepper@redhat.com>
* elf/rtld.c: Define _dl_bind_not variable.
(process_envvars): Recognize LD_BIND_NOT and set _dl_bind_not.
* elf/dl-support.c: Likewise.
* sysdeps/generic/ldsodefs.h: Declare _dl_bind_not.
* elf/dl-runtime.c (fixup): Don't remember looked up value if
_dl_bind_not.
(profile_fixup): Likewise.
* libio/Makefile (routines): Add fwide.
* libio/iofwide.c (_IO_fwide): Remove locking. This is done in
fwide now. Internal calls to _IO_fwide must do locking themselves

6
elf/dl-runtime.c
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@ -117,6 +117,9 @@ fixup (
value = elf_machine_plt_value (l, reloc, value);
/* Finally, fix up the plt itself. */
if (__builtin_expect (_dl_bind_not, 0))
return value;
return elf_machine_fixup_plt (l, result, reloc, rel_addr, value);
}
#endif
@ -205,7 +208,8 @@ profile_fixup (
value = elf_machine_plt_value (l, reloc, value);
/* Store the result for later runs. */
*resultp = value;
if (__builtin_expect (! _dl_bind_not, 1))
*resultp = value;
}
(*mcount_fct) (retaddr, value);

5
elf/dl-support.c
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@ -67,6 +67,9 @@ void *__libc_stack_end;
/* Path where the binary is found. */
const char *_dl_origin_path;
/* Nonzero if runtime lookup should not update the .got/.plt. */
int _dl_bind_not;
/* Initially empty list of loaded objects. */
struct link_map *_dl_loaded;
@ -109,6 +112,8 @@ non_dynamic_init (void)
_dl_lazy = *(getenv ("LD_BIND_NOW") ?: "") == '\0';
_dl_bind_not = *(getenv ("LD_BIND_NOT") ?: "") != '\0';
_dl_dynamic_weak = *(getenv ("LD_DYNAMIC_WEAK") ?: "") == '\0';
#ifdef DL_PLATFORM_INIT

8
elf/rtld.c
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@ -96,6 +96,7 @@ int _dl_debug_statistics;
const char *_dl_inhibit_rpath; /* RPATH values which should be
ignored. */
const char *_dl_origin_path;
int _dl_bind_not;
/* This is a pointer to the map for the main object and through it to
all loaded objects. */
@ -1363,7 +1364,12 @@ process_envvars (enum mode *modep, int *lazyp)
case 8:
/* Do we bind early? */
if (memcmp (&envline[3], "BIND_NOW", 8) == 0)
bind_now = envline[12] != '\0';
{
bind_now = envline[12] != '\0';
break;
}
if (memcmp (&envline[3], "BIND_NOT", 8) == 0)
_dl_bind_not = envline[12] != '\0';
break;
case 9:

3
sysdeps/generic/ldsodefs.h
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@ -195,6 +195,9 @@ extern int _dl_dynamic_weak;
/* The array with message we print as a last resort. */
extern const char _dl_out_of_memory[];
/* Nonzero if runtime lookups should not update the .got/.plt. */
extern int _dl_bind_not;
/* OS-dependent function to open the zero-fill device. */
extern int _dl_sysdep_open_zero_fill (void); /* dl-sysdep.c */