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(elf_machine_runtime_setup): Only set _dl_profile_map if _dl_name_match_p.

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(RTLD_START): Fix .prologue.  Set __libc_stack_end.
This commit is contained in:
Ulrich Drepper 1998-06-27 09:50:59 +00:00
parent b136e08ec0
commit ca246d7eef
1 changed files with 16 additions and 6 deletions
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22
sysdeps/alpha/dl-machine.h
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@ -106,8 +106,13 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
else
{
*(Elf64_Addr *)(plt + 16) = (Elf64_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;
}
}
/* Identify this shared object */
@ -131,7 +136,7 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
" #tramp_name ":
lda $sp, -168($sp)
.frame $sp, 168, $26
/* Preserve all registers that C normally doesn't. */
/* Preserve all integer registers that C normally doesn't. */
stq $26, 0($sp)
stq $0, 8($sp)
stq $1, 16($sp)
@ -157,7 +162,7 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
/* Set up our $gp */
br $gp, .+4
ldgp $gp, 0($gp)
.prologue 1
.prologue 0
/* Set up the arguments for fixup: */
/* $16 = link_map out of plt0 */
/* $17 = offset of reloc entry = ($28 - $27 - 20) /12 * 24 */
@ -216,11 +221,13 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
#define RTLD_START asm ("\
.text
.set at
.globl _start
.ent _start
_start:
br $gp, 0f
0: ldgp $gp, 0($gp)
.prologue 0
/* Pass pointer to argument block to _dl_start. */
mov $sp, $16
bsr $26, "ASM_ALPHA_NG_SYMBOL_PREFIX"_dl_start..ng
@ -229,8 +236,12 @@ _start:
.globl _dl_start_user
.ent _dl_start_user
_dl_start_user:
.frame $30,0,$31,0
.prologue 0
/* Save the user entry point address in s0. */
mov $0, $9
/* Store the highest stack address. */
stq $30, __libc_stack_end
/* See if we were run as a command with the executable file
name as an extra leading argument. If so, adjust the stack
pointer to skip _dl_skip_args words. */
@ -253,15 +264,14 @@ _dl_start_user:
ldgp $gp, 0($26)
br 1b
2: /* Clear the startup flag. */
.set at
stl $31, _dl_starting_up
.set noat
/* Pass our finalizer function to the user in $0. */
lda $0, _dl_fini
/* Jump to the user's entry point. */
mov $9, $27
jmp ($9)
.end _dl_start_user
.set noat
.previous");
/* Nonzero iff TYPE describes relocation of a PLT entry, so