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Update.

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* elf/rtld.c: Declare _environ as hidden.
	* sysdeps/generic/dl-environ.c: Likewise.
	* sysdeps/generic/dl-sysdep.c: Likewise.

	* sysdeps/generic/ldsodefs.h: Declare _dl_debug_state_internal and
	_dl_mcount_internal as hidden.

	* elf/Makefile (rtld-routines): Add dl-sbrk and dl-brk.
	* sysdeps/generic/dl-brk.c: New file.
	* sysdeps/generic/dl-sbrk.c: New file.
	* sysdeps/unix/sysv/linux/i386/dl-brk.c: New file.
	* sysdeps/unix/sysv/linux/i386/dl-sbrk.c: New file.
This commit is contained in:
Ulrich Drepper
2002-03-15 05:20:35 +00:00
parent 5c82e15e86
commit 9360906d42
10 changed files with 37 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
ChangeLog
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@@ -1,5 +1,18 @@
2002-03-14 Ulrich Drepper <drepper@redhat.com> 2002-03-14 Ulrich Drepper <drepper@redhat.com>
* elf/rtld.c: Declare _environ as hidden.
* sysdeps/generic/dl-environ.c: Likewise.
* sysdeps/generic/dl-sysdep.c: Likewise.
* sysdeps/generic/ldsodefs.h: Declare _dl_debug_state_internal and
_dl_mcount_internal as hidden.
* elf/Makefile (rtld-routines): Add dl-sbrk and dl-brk.
* sysdeps/generic/dl-brk.c: New file.
* sysdeps/generic/dl-sbrk.c: New file.
* sysdeps/unix/sysv/linux/i386/dl-brk.c: New file.
* sysdeps/unix/sysv/linux/i386/dl-sbrk.c: New file.
* elf/dl-minimal.c (malloc): Declare _end as hidden. * elf/dl-minimal.c (malloc): Declare _end as hidden.
(__errno_location): New function. Declare errno as hidden. (__errno_location): New function. Declare errno as hidden.
* elf/rtld.c (_dl_argc): Define as hidden. * elf/rtld.c (_dl_argc): Define as hidden.

2
elf/Makefile
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@@ -38,7 +38,7 @@ elide-routines.os = $(all-dl-routines) dl-support enbl-secure \
# ld.so uses those routines, plus some special stuff for being the program # ld.so uses those routines, plus some special stuff for being the program
# interpreter and operating independent of libc. # interpreter and operating independent of libc.
rtld-routines := rtld $(dl-routines) dl-sysdep dl-environ dl-minimal \ rtld-routines := rtld $(dl-routines) dl-sysdep dl-environ dl-minimal \
dl-xstat64 dl-fxstat64 dl-xstat64 dl-fxstat64 dl-sbrk dl-brk
all-rtld-routines = $(rtld-routines) $(sysdep-rtld-routines) all-rtld-routines = $(rtld-routines) $(sysdep-rtld-routines)
distribute := $(rtld-routines:=.c) dynamic-link.h do-rel.h dl-machine.h \ distribute := $(rtld-routines:=.c) dynamic-link.h do-rel.h dl-machine.h \

2
elf/rtld.c
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@@ -1579,7 +1579,7 @@ a filename can be specified using the LD_DEBUG_OUTPUT environment variable.\n");
/* Process all environments variables the dynamic linker must recognize. /* Process all environments variables the dynamic linker must recognize.
Since all of them start with `LD_' we are a bit smarter while finding Since all of them start with `LD_' we are a bit smarter while finding
all the entries. */ all the entries. */
extern char **_environ; extern char **_environ attribute_hidden;
static void static void

2
sysdeps/generic/dl-brk.c Normal file
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@@ -0,0 +1,2 @@
/* Just use the normal code. */
#include <brk.c>

4
sysdeps/generic/dl-environ.c
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@@ -50,6 +50,10 @@ _dl_next_ld_env_entry (char ***position)
return result; return result;
} }
/* In ld.so __environ is not exported. */
extern char **__environ attribute_hidden;
int int
unsetenv (const char *name) unsetenv (const char *name)
{ {

2
sysdeps/generic/dl-sbrk.c Normal file
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@@ -0,0 +1,2 @@
/* Just use the normal code. */
#include <sbrk.c>

2
sysdeps/generic/dl-sysdep.c
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@@ -38,7 +38,7 @@
#include <dl-osinfo.h> #include <dl-osinfo.h>
#include <hp-timing.h> #include <hp-timing.h>
extern char **_environ; extern char **_environ attribute_hidden;
extern void _end attribute_hidden; extern void _end attribute_hidden;
/* Protect SUID program against misuse of file descriptors. */ /* Protect SUID program against misuse of file descriptors. */

5
sysdeps/generic/ldsodefs.h
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@@ -634,7 +634,7 @@ extern void _dl_fini (void) internal_function;
says what change is taking place. This function's address is says what change is taking place. This function's address is
the value of the `r_brk' member. */ the value of the `r_brk' member. */
extern void _dl_debug_state (void); extern void _dl_debug_state (void);
extern void _dl_debug_state_internal (void); extern void _dl_debug_state_internal (void) attribute_hidden;
/* Initialize `struct r_debug' if it has not already been done. The /* Initialize `struct r_debug' if it has not already been done. The
argument is the run-time load address of the dynamic linker, to be put argument is the run-time load address of the dynamic linker, to be put
@@ -655,7 +655,8 @@ extern void _dl_start_profile_internal (struct link_map *map,
/* The actual functions used to keep book on the calls. */ /* The actual functions used to keep book on the calls. */
extern void _dl_mcount (ElfW(Addr) frompc, ElfW(Addr) selfpc); extern void _dl_mcount (ElfW(Addr) frompc, ElfW(Addr) selfpc);
extern void _dl_mcount_internal (ElfW(Addr) frompc, ElfW(Addr) selfpc); extern void _dl_mcount_internal (ElfW(Addr) frompc, ElfW(Addr) selfpc)
attribute_hidden;
/* This function is simply a wrapper around the _dl_mcount function /* This function is simply a wrapper around the _dl_mcount function
which does not require a FROMPC parameter since this is the which does not require a FROMPC parameter since this is the

5
sysdeps/unix/sysv/linux/i386/dl-brk.c Normal file
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@@ -0,0 +1,5 @@
/* We can use the normal code but we also know the __curbrk is not exported
from ld.so. */
extern void *__curbrk attribute_hidden;
#include <brk.c>

5
sysdeps/unix/sysv/linux/i386/dl-sbrk.c Normal file
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@@ -0,0 +1,5 @@
/* We can use the normal code but we also know the __curbrk is not exported
from ld.so. */
extern void *__curbrk attribute_hidden;
#include <sbrk.c>