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Diffstat (limited to 'libc/sysdeps/linux/sparc/__longjmp.S')
-rw-r--r--libc/sysdeps/linux/sparc/__longjmp.S50
1 files changed, 22 insertions, 28 deletions
diff --git a/libc/sysdeps/linux/sparc/__longjmp.S b/libc/sysdeps/linux/sparc/__longjmp.S
index 54af3c27a..2d568d381 100644
--- a/libc/sysdeps/linux/sparc/__longjmp.S
+++ b/libc/sysdeps/linux/sparc/__longjmp.S
@@ -2,21 +2,19 @@
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 Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ 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
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-/* Code taken from glibc/sysdeps/sparc/sparc32/ (glibc 2.2.2) */
+ 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 <sysdep.h>
@@ -27,7 +25,11 @@
#define ST_FLUSH_WINDOWS 3
#define RW_FP [%fp + 0x48]
-ENTRY(__longjmp)
+.global __longjmp;
+.align 4;
+__longjmp: ;
+.type __longjmp ,@function;
+
/* Store our arguments in global registers so we can still
use them while unwinding frames and their register windows. */
@@ -40,27 +42,21 @@ ENTRY(__longjmp)
xor %fp, %g3, %o0
add %fp, 512, %o1
andncc %o0, 4095, %o0
- bne thread
- //bne LOC(thread)
+ bne .Lthread
cmp %o1, %g3
- bl thread
- //bl LOC(thread)
+ bl .Lthread
/* Now we will loop, unwinding the register windows up the stack
until the restored %fp value matches the target value in %g3. */
-//LOC(loop):
-loop:
+.Lloop:
cmp %fp, %g3 /* Have we reached the target frame? */
- bl,a loop /* Loop while current fp is below target. */
- //bl,a LOC(loop) /* Loop while current fp is below target. */
+ bl,a .Lloop /* Loop while current fp is below target. */
restore /* Unwind register window in delay slot. */
- be,a found /* Better have hit it exactly. */
- //be,a LOC(found) /* Better have hit it exactly. */
+ be,a .Lfound /* Better have hit it exactly. */
ld ENV(g1,JB_SP), %o0 /* Delay slot: extract target SP. */
-thread:
-//LOC(thread):
+.Lthread:
/*
* Do a "flush register windows trap". The trap handler in the
* kernel writes all the register windows to their stack slots, and
@@ -77,15 +73,13 @@ thread:
retl
restore %g2, 0, %o0 /* Restore values from above register frame. */
-found:
-//LOC(found):
+.Lfound:
/* We have unwound register windows so %fp matches the target. */
mov %o0, %sp /* OK, install new SP. */
-//LOC(sp_ok):
-sp_ok:
+.Lsp_ok:
ld ENV(g1,JB_PC), %o0 /* Extract target return PC. */
jmp %o0 + 8 /* Return there. */
mov %g2, %o0 /* Delay slot: set return value. */
-END(__longjmp)
+.size __longjmp , . - __longjmp