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Update.
2003-09-24 Ulrich Drepper <drepper@redhat.com> * sysdeps/ia64/dl-machine.h (RTLD_START): Remove setting of __libc_stack_end. Patch by David Mosberger. 2003-09-24 Jakub Jelinek <jakub@redhat.com> * elf/Versions (ld): Export __libc_stack_end@GLIBC_2.1 instead of __libc_stack_end@GLIBC_PRIVATE. * sysdeps/generic/dl-sysdep.c (DL_STACK_END): Define if not defined. (_dl_sysdep_start): Set __libc_stack_end here. * sysdeps/alpha/dl-machine.h (RTLD_START): Remove setting of __libc_stack_end. * sysdeps/arm/dl-machine.h (RTLD_START): Likewise. * sysdeps/cris/dl-machine.h (RTLD_START): Likewise. * sysdeps/i386/dl-machine.h (RTLD_START): Likewise. * sysdeps/m68k/dl-machine.h (RTLD_START): Likewise. * sysdeps/s390/s390-32/dl-machine.h (RTLD_START): Likewise. * sysdeps/s390/s390-64/dl-machine.h (RTLD_START): Likewise. * sysdeps/sh/dl-machine.h (RTLD_START): Likewise. * sysdeps/x86_64/dl-machine.h (RTLD_START): Likewise. * sysdeps/ia64/dl-machine.h (DL_STACK_END): Define. * sysdeps/sparc/sparc32/dl-machine.h (DL_STACK_END): Define. (RTLD_START): Remove setting of __libc_stack_end. * sysdeps/sparc/sparc64/dl-machine.h (DL_STACK_END): Define. (RTLD_START): Remove setting of __libc_stack_end. 2003-09-24 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/sys/sysmacros.h: Add gnu_dev_ prefix to function definitions. Adjust macro expansions accordingly. * sysdeps/unix/sysv/linux/Versions: Add gnu_dev_ prefix to major, minor, makedev name. * sysdeps/unix/sysv/linux/makedev.c: Likewise. 2003-09-24 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/sys/sysmacros.h (major, minor, makedev): Add __THROW.
This commit is contained in:
Ulrich Drepper
parent
0f124303c8
commit
9771695416
41
ChangeLog
41
ChangeLog
@ -1,3 +1,44 @@
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2003-09-24 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/ia64/dl-machine.h (RTLD_START): Remove setting of
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__libc_stack_end. Patch by David Mosberger.
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2003-09-24 Jakub Jelinek <jakub@redhat.com>
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* elf/Versions (ld): Export __libc_stack_end@GLIBC_2.1 instead of
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__libc_stack_end@GLIBC_PRIVATE.
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* sysdeps/generic/dl-sysdep.c (DL_STACK_END): Define if not defined.
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(_dl_sysdep_start): Set __libc_stack_end here.
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* sysdeps/alpha/dl-machine.h (RTLD_START): Remove setting of
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__libc_stack_end.
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* sysdeps/arm/dl-machine.h (RTLD_START): Likewise.
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* sysdeps/cris/dl-machine.h (RTLD_START): Likewise.
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* sysdeps/i386/dl-machine.h (RTLD_START): Likewise.
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* sysdeps/m68k/dl-machine.h (RTLD_START): Likewise.
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* sysdeps/s390/s390-32/dl-machine.h (RTLD_START): Likewise.
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* sysdeps/s390/s390-64/dl-machine.h (RTLD_START): Likewise.
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* sysdeps/sh/dl-machine.h (RTLD_START): Likewise.
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* sysdeps/x86_64/dl-machine.h (RTLD_START): Likewise.
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* sysdeps/ia64/dl-machine.h (DL_STACK_END): Define.
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* sysdeps/sparc/sparc32/dl-machine.h (DL_STACK_END): Define.
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(RTLD_START): Remove setting of __libc_stack_end.
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* sysdeps/sparc/sparc64/dl-machine.h (DL_STACK_END): Define.
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(RTLD_START): Remove setting of __libc_stack_end.
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2003-09-24 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/unix/sysv/linux/sys/sysmacros.h: Add gnu_dev_ prefix to
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function definitions. Adjust macro expansions accordingly.
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* sysdeps/unix/sysv/linux/Versions: Add gnu_dev_ prefix to major,
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minor, makedev name.
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* sysdeps/unix/sysv/linux/makedev.c: Likewise.
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2003-09-24 Jakub Jelinek <jakub@redhat.com>
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* sysdeps/unix/sysv/linux/sys/sysmacros.h (major, minor, makedev):
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Add __THROW.
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2003-09-24 Jakub Jelinek <jakub@redhat.com>
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* nscd/Makefile (others): Add nscd before including ../Rules.
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@ -36,6 +36,8 @@ ld {
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GLIBC_2.1 {
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# functions used in other libraries
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_dl_mcount;
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# historically used by Garbage Collectors
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__libc_stack_end;
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}
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GLIBC_2.3 {
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# runtime interface to TLS
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@ -43,7 +45,7 @@ ld {
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}
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GLIBC_PRIVATE {
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# Those are in the dynamic linker, but used by libc.so.
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__libc_enable_secure; __libc_stack_end;
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__libc_enable_secure;
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_dl_argv; _dl_catch_error; _dl_check_map_versions;
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_dl_debug_printf; _dl_debug_state; _dl_dst_count;
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_dl_dst_substitute; _dl_init; _dl_lookup_symbol; _dl_lookup_symbol_skip;
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@ -319,8 +319,6 @@ _dl_start_user: \n\
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.prologue 0 \n\
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/* Save the user entry point address in s0. */ \n\
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mov $0, $9 \n\
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/* Store the highest stack address. */ \n\
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stq $30, __libc_stack_end \n\
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/* See if we were run as a command with the executable \n\
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file name as an extra leading argument. */ \n\
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ldl $1, _dl_skip_args($gp) !gprel \n\
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@ -265,10 +265,6 @@ _dl_start_user:\n\
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ldr sl, .L_GET_GOT\n\
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add sl, pc, sl\n\
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.L_GOT_GOT:\n\
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@ Store the highest stack address\n\
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ldr r1, .L_STACK_END\n\
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ldr r1, [sl, r1]\n\
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str sp, [r1]\n\
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@ See if we were run as a command with the executable file\n\
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@ name as an extra leading argument.\n\
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ldr r4, .L_SKIP_ARGS\n\
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@ -311,8 +307,6 @@ _dl_start_user:\n\
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.word _dl_starting_up(GOT)\n\
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.L_FINI_PROC:\n\
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.word _dl_fini(GOT)\n\
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.L_STACK_END:\n\
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.word __libc_stack_end(GOT)\n\
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.L_LOADED:\n\
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.word _rtld_local(GOT)\n\
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.previous\n\
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@ -188,9 +188,6 @@ _dl_start_user:\n\
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; Point R0 at the GOT.\n\
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move.d $pc,$r0\n\
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sub.d .:GOTOFF,$r0\n\
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; Remember the highest stack address.\n\
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move.d [$r0+__libc_stack_end:GOT16],$r13\n\
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move.d $sp,[$r13]\n\
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; See if we were run as a command with the executable file\n\
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; name as an extra leading argument.\n\
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move.d [$r0+_dl_skip_args:GOT16],$r13\n\
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@ -69,6 +69,9 @@ static ElfW(auxv_t) *_dl_auxv;
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} while (0)
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#endif
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#ifndef DL_STACK_END
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# define DL_STACK_END(cookie) ((void *) (cookie))
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#endif
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ElfW(Addr)
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_dl_sysdep_start (void **start_argptr,
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@ -98,6 +101,7 @@ _dl_sysdep_start (void **start_argptr,
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ElfW(Word) new_sysinfo = 0;
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#endif
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__libc_stack_end = DL_STACK_END (start_argptr);
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DL_FIND_ARG_COMPONENTS (start_argptr, _dl_argc, INTUSE(_dl_argv), _environ,
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_dl_auxv);
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@ -276,17 +276,15 @@ _dl_runtime_profile:\n\
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.globl _start\n\
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.globl _dl_start_user\n\
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_start:\n\
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# Point %ebx at the GOT.\n\
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call 0b\n\
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addl $_GLOBAL_OFFSET_TABLE_, %ebx\n\
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# Note that _dl_start gets the parameter in %eax.\n\
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movl %esp, %eax\n\
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# Store the highest stack address\n\
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movl %eax, __libc_stack_end@GOTOFF(%ebx)\n\
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call _dl_start\n\
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_dl_start_user:\n\
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# Save the user entry point address in %edi.\n\
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movl %eax, %edi\n\
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# Point %ebx at the GOT.\n\
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call 0b\n\
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addl $_GLOBAL_OFFSET_TABLE_, %ebx\n\
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# See if we were run as a command with the executable file\n\
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# name as an extra leading argument.\n\
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movl _dl_skip_args@GOTOFF(%ebx), %eax\n\
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@ -267,6 +267,10 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
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strong_alias (_dl_runtime_resolve, _dl_runtime_profile);
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#endif
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/* Undo the adds out0 = 16, sp below to get at the value we want in
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__libc_stack_end. */
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#define DL_STACK_END(cookie) \
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((void *) (((long) (cookie)) - 16))
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/* Initial entry point code for the dynamic linker.
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The C function `_dl_start' is the real entry point;
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@ -318,21 +322,14 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
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" .save ar.pfs, r32\n" \
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" .body\n" \
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" { .mii\n" \
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" addl r3 = @gprel(_dl_skip_args), gp\n" \
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" adds r11 = 24, sp /* Load the address of argv. */\n" \
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" /* Save the pointer to the user entry point fptr in loc2. */\n" \
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" mov loc2 = ret0\n" \
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" /* Store the highest stack address. */\n" \
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" addl r2 = @ltoff(__libc_stack_end#), gp\n" \
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" addl r3 = @gprel(_dl_skip_args), gp\n" \
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" ;;\n" \
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" }\n" \
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" { .mmi\n" \
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" ld8 r2 = [r2]\n" \
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" ld4 r3 = [r3]\n" \
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" adds r11 = 24, sp /* Load the address of argv. */\n" \
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" ;;\n" \
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" }\n" \
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" { .mii\n" \
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" st8 [r2] = sp\n" \
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" ld4 r3 = [r3]\n" \
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" adds r10 = 16, sp /* Load the address of argc. */\n" \
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" mov out2 = r11\n" \
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" ;;\n" \
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@ -401,7 +398,7 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
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" br.call.sptk.many b0 = _dl_init_internal#\n" \
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" ;;\n" \
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" }\n" \
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" /* Pass our finializer function to the user,\n" \
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" /* Pass our finalizer function to the user,\n" \
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" and jump to the user's entry point. */\n" \
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" { .mmi\n" \
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" ld8 r3 = [loc2], 8\n" \
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@ -157,9 +157,6 @@ _start:\n\
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_dl_start_user:\n\
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| Save the user entry point address in %a4.\n\
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move.l %d0, %a4\n\
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| Remember the highest stack address.\n\
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move.l __libc_stack_end@GOTPC(%pc), %a0\n\
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move.l %sp, (%a0)\n\
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| See if we were run as a command with the executable file\n\
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| name as an extra leading argument.\n\
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move.l _dl_skip_args(%pc), %d0\n\
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@ -262,9 +262,6 @@ _dl_start_user:\n\
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# Point %r12 at the GOT.\n\
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l %r12,.Ladr0-.Llit(%r13)\n\
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ar %r12,%r13\n\
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# Store the highest stack address\n\
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l %r1,__libc_stack_end@GOT(%r12)\n\
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st %r15, 0(%r1)\n\
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# See if we were run as a command with the executable file\n\
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# name as an extra leading argument.\n\
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l %r1,_dl_skip_args@GOT12(0,%r12)\n\
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@ -235,10 +235,6 @@ _dl_start_user:\n\
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lgr %r8,%r2\n\
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# Point %r12 at the GOT.\n\
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larl %r12,_GLOBAL_OFFSET_TABLE_\n\
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# Store the highest stack address\n\
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lghi %r1,__libc_stack_end@GOT\n\
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lg %r1,0(%r1,%r12)\n\
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stg %r15, 0(%r1)\n\
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# See if we were run as a command with the executable file\n\
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# name as an extra leading argument.\n\
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lghi %r1,_dl_skip_args@GOT\n\
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@ -334,11 +334,7 @@ _dl_start_user:\n\
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add r0,r12\n\
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.align 2\n\
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1: .long _GLOBAL_OFFSET_TABLE_\n\
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2: ! Store the highest stack address\n\
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mov.l .L_stack_end,r0\n\
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mov.l @(r0,r12),r0\n\
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mov.l r15,@r0\n\
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! See if we were run as a command with the executable file\n\
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2: ! See if we were run as a command with the executable file\n\
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! name as an extra leading argument.\n\
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mov.l .L_dl_skip_args,r0\n\
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mov.l @(r0,r12),r0\n\
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@ -381,8 +377,6 @@ _dl_start_user:\n\
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.align 2\n\
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.L_dl_start:\n\
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.long _dl_start@PLT\n\
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.L_stack_end:\n\
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.long __libc_stack_end@GOT\n\
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.L_dl_skip_args:\n\
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.long _dl_skip_args@GOT\n\
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.L_dl_init:\n\
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@ -248,6 +248,11 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
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/* The SPARC overlaps DT_RELA and DT_PLTREL. */
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#define ELF_MACHINE_PLTREL_OVERLAP 1
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/* Undo the sub %sp, 6*4, %sp; add %sp, 22*4, %o0 below to get at the
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value we want in __libc_stack_end. */
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#define DL_STACK_END(cookie) \
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((void *) (((long) (cookie)) - (22 - 6) * 4))
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/* Initial entry point code for the dynamic linker.
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The C function `_dl_start' is the real entry point;
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its return value is the user program's entry point. */
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@ -274,16 +279,10 @@ _dl_start_user:\n\
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add %l7, %o7, %l7\n\
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/* Save the user entry point address in %l0 */\n\
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mov %o0, %l0\n\
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/* Store the highest stack address. */\n\
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sethi %hi(__libc_stack_end), %g2\n\
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or %g2, %lo(__libc_stack_end), %g2\n\
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ld [%l7 + %g2], %l1\n\
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sethi %hi(_dl_skip_args), %g2\n\
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add %sp, 6*4, %l2\n\
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or %g2, %lo(_dl_skip_args), %g2\n\
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st %l2, [%l1]\n\
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/* See if we were run as a command with the executable file name as an\n\
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extra leading argument. If so, adjust the contents of the stack. */\n\
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sethi %hi(_dl_skip_args), %g2\n\
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or %g2, %lo(_dl_skip_args), %g2\n\
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ld [%l7+%g2], %i0\n\
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ld [%i0], %i0\n\
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tst %i0\n\
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@ -666,6 +666,11 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
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/* The PLT uses Elf64_Rela relocs. */
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#define elf_machine_relplt elf_machine_rela
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/* Undo the sub %sp, 6*8, %sp; add %sp, STACK_BIAS + 22*8, %o0 below
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to get at the value we want in __libc_stack_end. */
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#define DL_STACK_END(cookie) \
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((void *) (((long) (cookie)) - (22 - 6) * 8 - STACK_BIAS))
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/* Initial entry point code for the dynamic linker.
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The C function `_dl_start' is the real entry point;
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its return value is the user program's entry point. */
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@ -694,20 +699,14 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
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"1: call 11f\n" \
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" sethi %hi(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7\n" \
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"11: or %l7, %lo(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7\n" \
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" /* Store the highest stack address. */\n" \
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" sethi %hi(__libc_stack_end), %g5\n" \
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" sethi %hi(_dl_skip_args), %g5\n" \
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" add %l7, %o7, %l7\n" \
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" or %g5, %lo(__libc_stack_end), %g5\n" \
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" or %g5, %lo(_dl_skip_args), %g5\n" \
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" /* Save the user entry point address in %l0. */\n" \
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" mov %o0, %l0\n" \
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" ldx [%l7 + %g5], %l1\n" \
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" sethi %hi(_dl_skip_args), %g5\n" \
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" add %sp, 6*8, %l2\n" \
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" /* See if we were run as a command with the executable file name as an\n" \
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" extra leading argument. If so, we must shift things around since we\n" \
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" must keep the stack doubleword aligned. */\n" \
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" or %g5, %lo(_dl_skip_args), %g5\n" \
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" stx %l2, [%l1]\n" \
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" ldx [%l7 + %g5], %i0\n" \
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" ld [%i0], %i0\n" \
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" brz,pt %i0, 2f\n" \
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@ -110,7 +110,7 @@ libc {
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epoll_create; epoll_ctl; epoll_wait;
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}
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GLIBC_2.3.3 {
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major; minor; makedev;
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gnu_dev_major; gnu_dev_minor; gnu_dev_makedev;
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}
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GLIBC_PRIVATE {
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# needed by libpthread.
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@ -21,19 +21,19 @@
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#include <sys/sysmacros.h>
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unsigned int
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major (unsigned long long int dev)
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gnu_dev_major (unsigned long long int dev)
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{
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return ((dev >> 8) & 0xfff) | ((unsigned int) (dev >> 32) & ~0xfff);
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}
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unsigned int
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minor (unsigned long long int dev)
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gnu_dev_minor (unsigned long long int dev)
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{
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return (dev & 0xff) | ((unsigned int) (dev >> 12) & ~0xff);
|
||||
}
|
||||
|
||||
unsigned long long int
|
||||
makedev (unsigned int major, unsigned int minor)
|
||||
gnu_dev_makedev (unsigned int major, unsigned int minor)
|
||||
{
|
||||
return ((minor & 0xff) | ((major & 0xfff) << 8)
|
||||
| (((unsigned long long int) (minor & ~0xff)) << 12)
|
||||
|
||||
@ -26,26 +26,29 @@
|
||||
not going to hack weird hacks to support the dev_t representation
|
||||
they need. */
|
||||
#ifdef __GLIBC_HAVE_LONG_LONG
|
||||
extern unsigned int inline major (unsigned long long int __dev) __THROW;
|
||||
extern unsigned int inline minor (unsigned long long int __dev) __THROW;
|
||||
extern unsigned long long int inline makedev (unsigned int __major,
|
||||
unsigned int __minor) __THROW;
|
||||
extern unsigned int inline gnu_dev_major (unsigned long long int __dev)
|
||||
__THROW;
|
||||
extern unsigned int inline gnu_dev_minor (unsigned long long int __dev)
|
||||
__THROW;
|
||||
extern unsigned long long int inline gnu_dev_makedev (unsigned int __major,
|
||||
unsigned int __minor)
|
||||
__THROW;
|
||||
|
||||
# if defined __GNUC__ && __GNUC__ >= 2
|
||||
extern inline unsigned int
|
||||
major (unsigned long long int __dev)
|
||||
gnu_dev_major (unsigned long long int __dev) __THROW
|
||||
{
|
||||
return ((__dev >> 8) & 0xfff) | ((unsigned int) (__dev >> 32) & ~0xfff);
|
||||
}
|
||||
|
||||
extern inline unsigned int
|
||||
minor (unsigned long long int __dev)
|
||||
gnu_dev_minor (unsigned long long int __dev) __THROW
|
||||
{
|
||||
return (__dev & 0xff) | ((unsigned int) (__dev >> 12) & ~0xff);
|
||||
}
|
||||
|
||||
extern inline unsigned long long int
|
||||
makedev (unsigned int __major, unsigned int __minor)
|
||||
gnu_dev_makedev (unsigned int __major, unsigned int __minor) __THROW
|
||||
{
|
||||
return ((__minor & 0xff) | ((__major & 0xfff) << 8)
|
||||
| (((unsigned long long int) (__minor & ~0xff)) << 12)
|
||||
@ -54,11 +57,10 @@ makedev (unsigned int __major, unsigned int __minor)
|
||||
# endif
|
||||
|
||||
|
||||
/* Historically the three symbols were macros. In case some programs
|
||||
use #ifdef to check for definition provide some dummy macros. */
|
||||
# define major(dev) major (dev)
|
||||
# define minor(dev) minor (dev)
|
||||
# define makedev(maj, min) makedev (maj, min)
|
||||
/* Access the functions with their traditional names. */
|
||||
# define major(dev) gnu_dev_major (dev)
|
||||
# define minor(dev) gnu_dev_minor (dev)
|
||||
# define makedev(maj, min) gnu_dev_makedev (maj, min)
|
||||
#endif
|
||||
|
||||
#endif /* sys/sysmacros.h */
|
||||
|
||||
@ -260,8 +260,6 @@ _dl_runtime_profile:\n\
|
||||
.globl _start\n\
|
||||
.globl _dl_start_user\n\
|
||||
_start:\n\
|
||||
# Store the highest stack address\n\
|
||||
movq %rsp, __libc_stack_end(%rip)\n\
|
||||
movq %rsp, %rdi\n\
|
||||
call _dl_start\n\
|
||||
_dl_start_user:\n\
|
||||
|
||||
Loading…
Reference in New Issue
Block a user