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* stdlib/Makefile (tests): Add tst-makecontext.

Browse Source 
* stdlib/tst-makecontext.c: New test.

	* sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S
	(__makecontext): Don't realign uc_mcontext.uc_regs.
This commit is contained in:
Ulrich Drepper 2006-12-19 15:34:16 +00:00
parent 594d423aa3
commit a12dcecc50
4 changed files with 68 additions and 4 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2006-12-19 Jakub Jelinek <jakub@redhat.com>
* stdlib/Makefile (tests): Add tst-makecontext.
* stdlib/tst-makecontext.c: New test.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S
(__makecontext): Don't realign uc_mcontext.uc_regs.
2006-11-28 Jakub Jelinek <jakub@redhat.com>
* elf/dl-support.c: Include dl-procinfo.h.

3
stdlib/Makefile
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@ -67,7 +67,8 @@ tests := tst-strtol tst-strtod testmb testrand testsort testdiv \
tst-xpg-basename tst-random tst-random2 tst-bsearch \
tst-limits tst-rand48 bug-strtod tst-setcontext \
test-a64l tst-qsort tst-system testmb2 bug-strtod2 \
tst-atof1 tst-atof2 tst-strtod2 tst-strtod3 tst-rand48-2
tst-atof1 tst-atof2 tst-strtod2 tst-strtod3 tst-rand48-2 \
tst-makecontext
include ../Makeconfig

57
stdlib/tst-makecontext.c Normal file
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@ -0,0 +1,57 @@
/* Copyright (C) 2006 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
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stdlib.h>
#include <stdio.h>
#include <ucontext.h>
ucontext_t ucp;
char st1[8192];
__thread int thr;
void
cf (int i)
{
if (i != 78 || thr != 94)
{
printf ("i %d thr %d\n", i, thr);
exit (1);
}
exit (0);
}
int
main (void)
{
if (getcontext (&ucp) != 0)
{
puts ("getcontext failed");
return 1;
}
thr = 94;
ucp.uc_link = NULL;
ucp.uc_stack.ss_sp = st1;
ucp.uc_stack.ss_size = sizeof st1;
makecontext (&ucp, (void (*) ()) cf, 1, 78);
if (setcontext (&ucp) != 0)
{
puts ("setcontext failed");
return 1;
}
return 2;
}

4
sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S
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@ -26,9 +26,7 @@
ENTRY(__makecontext)
/* Set up the first 7 args to the function in its registers */
addi r11,r3,_UC_REG_SPACE+12
clrrwi r11,r11,4
stw r11,_UC_REGS_PTR(r3)
lwz r11,_UC_REGS_PTR(r3)
stw r6,_UC_GREGS+(PT_R3*4)(r11)
stw r7,_UC_GREGS+(PT_R4*4)(r11)
stw r8,_UC_GREGS+(PT_R5*4)(r11)