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Update sysdeps/powerpc/dl-start.S.

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2000-04-11  Geoff Keating  <geoffk@cygnus.com>

	* sysdeps/powerpc/dl-start.S (_dl_start): Add _dl_start_user
	symbol.  Call _dl_init rather than the old way.

>>>>>>> 1.3514
This commit is contained in:
Geoff Keating 2000-05-04 23:12:19 +00:00
parent 6c51aa641e
commit 5a59a3a514
2 changed files with 20 additions and 20 deletions
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6
ChangeLog
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@ -1,3 +1,8 @@
2000-04-11 Geoff Keating <geoffk@cygnus.com>
* sysdeps/powerpc/dl-start.S (_dl_start): Add _dl_start_user
symbol. Call _dl_init rather than the old way.
2000-05-04 Ulrich Drepper <drepper@redhat.com>
* elf/dl-open.c (dl_open_worker): Use l_map_start and l_map_end to
@ -1176,6 +1181,7 @@
* sysdeps/mips/dl-machine.h: Update some comments.
(ELF_MACHINE_ALIGN_MASK): Removed, it's not needed.
>>>>>>> 1.3514
2000-04-11 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Add

34
sysdeps/powerpc/dl-start.S
View File

@ -1,5 +1,5 @@
/* Machine-dependent ELF startup code. PowerPC version.
Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000 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
@ -38,6 +38,8 @@ ENTRY(_start)
stw r4,0(r1)
bl _dl_start@local
/* FALLTHRU */
ENTRY(_dl_start_user)
/* Now, we do our main work of calling initialisation procedures.
The ELF ABI doesn't say anything about parameters for these,
so we just pass argc, argv, and the environment.
@ -49,28 +51,20 @@ ENTRY(_start)
mflr r31
/* the address of _start in r30, */
mr r30,r3
/* &_dl_argc in 29, &_dl_argv in 27, and _dl_main_searchlist in 28. */
lwz r28,_dl_main_searchlist@got(r31)
/* &_dl_argc in 29, &_dl_argv in 27, and _dl_loaded in 28. */
lwz r28,_dl_loaded@got(r31)
lwz r29,_dl_argc@got(r31)
lwz r27,_dl_argv@got(r31)
0:
/* Set initfunc = _dl_init_next(_dl_main_searchlist) */
/* Call _dl_init (_dl_loaded, _dl_argc, _dl_argv, _dl_argv+_dl_argc+1)
lwz r3,0(r28)
bl _dl_init_next@plt
/* If initfunc is NULL, we exit the loop; otherwise, */
cmpwi r3,0
beq 1f
/* call initfunc(_dl_argc, _dl_argv, _dl_argv+_dl_argc+1) */
mtlr r3
lwz r3,0(r29)
lwz r4,0(r27)
slwi r5,r3,2
add r5,r4,r5
addi r5,r5,4
blrl
/* and loop. */
b 0b
1:
lwz r4,0(r29)
lwz r5,0(r27)
slwi r6,r4,2
add r6,r5,r6
addi r6,r6,4
bl _dl_init@local
/* Now, to conform to the ELF ABI, we have to: */
/* Pass argc (actually _dl_argc) in r3; */
lwz r3,0(r29)