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authorDavid Schleef <ds@schleef.org>2001-11-26 09:19:30 +0000
committerDavid Schleef <ds@schleef.org>2001-11-26 09:19:30 +0000
commite4cfe3fb823dc44c0e3e884e53d1ae7c05ae7416 (patch)
tree7ce9d1c188f48f13d57df2be1a681ce1b4e08204 /libc/sysdeps/linux/powerpc/longjmp.S
parentb76b3fcd18d8c7e0ed25cccc355f6f0192c1e83b (diff)
Rewrite vfork() as C, should now work. Changed longjmp.S and setjmp.S
to use GCC's internal ppc-asm.h, and added macro to disable FP save/ restore in longjmp and setjmp. Fixed name of _setjmp() (was __setjmp). Fixed _setjmp to be PIC.
Diffstat (limited to 'libc/sysdeps/linux/powerpc/longjmp.S')
-rw-r--r--libc/sysdeps/linux/powerpc/longjmp.S47
1 files changed, 28 insertions, 19 deletions
diff --git a/libc/sysdeps/linux/powerpc/longjmp.S b/libc/sysdeps/linux/powerpc/longjmp.S
index e30f7fd26..cc84cbe66 100644
--- a/libc/sysdeps/linux/powerpc/longjmp.S
+++ b/libc/sysdeps/linux/powerpc/longjmp.S
@@ -18,12 +18,21 @@
Boston, MA 02111-1307, USA. */
/* So we can use r3, r4, instead of 3, 4 */
-#include "ppc_asm.h"
+#include <ppc-asm.h>
+#define r1 1
+#define r2 2
#define _ASM
#define _SETJMP_H
#include <bits/setjmp.h>
+#define USE_FP
+#ifdef USE_FP
+#define FP(x...) x
+#else
+#define FP(x...)
+#endif
+
.global longjmp;
.align 4;
@@ -32,44 +41,44 @@ longjmp:
lwz r2,(JB_GPR2*4)(r3)
lwz r0,(JB_LR*4)(r3)
lwz r14,((JB_GPRS+0)*4)(r3)
- lfd fr14,((JB_FPRS+0*2)*4)(r3)
+FP( lfd f14,((JB_FPRS+0*2)*4)(r3) )
lwz r15,((JB_GPRS+1)*4)(r3)
- lfd fr15,((JB_FPRS+1*2)*4)(r3)
+FP( lfd f15,((JB_FPRS+1*2)*4)(r3) )
lwz r16,((JB_GPRS+2)*4)(r3)
- lfd fr16,((JB_FPRS+2*2)*4)(r3)
+FP( lfd f16,((JB_FPRS+2*2)*4)(r3) )
lwz r17,((JB_GPRS+3)*4)(r3)
- lfd fr17,((JB_FPRS+3*2)*4)(r3)
+FP( lfd f17,((JB_FPRS+3*2)*4)(r3) )
lwz r18,((JB_GPRS+4)*4)(r3)
- lfd fr18,((JB_FPRS+4*2)*4)(r3)
+FP( lfd f18,((JB_FPRS+4*2)*4)(r3) )
lwz r19,((JB_GPRS+5)*4)(r3)
- lfd fr19,((JB_FPRS+5*2)*4)(r3)
+FP( lfd f19,((JB_FPRS+5*2)*4)(r3) )
lwz r20,((JB_GPRS+6)*4)(r3)
- lfd fr20,((JB_FPRS+6*2)*4)(r3)
+FP( lfd f20,((JB_FPRS+6*2)*4)(r3) )
mtlr r0
lwz r21,((JB_GPRS+7)*4)(r3)
- lfd fr21,((JB_FPRS+7*2)*4)(r3)
+FP( lfd f21,((JB_FPRS+7*2)*4)(r3) )
lwz r22,((JB_GPRS+8)*4)(r3)
- lfd fr22,((JB_FPRS+8*2)*4)(r3)
+FP( lfd f22,((JB_FPRS+8*2)*4)(r3) )
lwz r0,(JB_CR*4)(r3)
lwz r23,((JB_GPRS+9)*4)(r3)
- lfd fr23,((JB_FPRS+9*2)*4)(r3)
+FP( lfd f23,((JB_FPRS+9*2)*4)(r3) )
lwz r24,((JB_GPRS+10)*4)(r3)
- lfd fr24,((JB_FPRS+10*2)*4)(r3)
+FP( lfd f24,((JB_FPRS+10*2)*4)(r3) )
lwz r25,((JB_GPRS+11)*4)(r3)
- lfd fr25,((JB_FPRS+11*2)*4)(r3)
+FP( lfd f25,((JB_FPRS+11*2)*4)(r3) )
mtcrf 0xFF,r0
lwz r26,((JB_GPRS+12)*4)(r3)
- lfd fr26,((JB_FPRS+12*2)*4)(r3)
+FP( lfd f26,((JB_FPRS+12*2)*4)(r3) )
lwz r27,((JB_GPRS+13)*4)(r3)
- lfd fr27,((JB_FPRS+13*2)*4)(r3)
+FP( lfd f27,((JB_FPRS+13*2)*4)(r3) )
lwz r28,((JB_GPRS+14)*4)(r3)
- lfd fr28,((JB_FPRS+14*2)*4)(r3)
+FP( lfd f28,((JB_FPRS+14*2)*4)(r3) )
lwz r29,((JB_GPRS+15)*4)(r3)
- lfd fr29,((JB_FPRS+15*2)*4)(r3)
+FP( lfd f29,((JB_FPRS+15*2)*4)(r3) )
lwz r30,((JB_GPRS+16)*4)(r3)
- lfd fr30,((JB_FPRS+16*2)*4)(r3)
+FP( lfd f30,((JB_FPRS+16*2)*4)(r3) )
lwz r31,((JB_GPRS+17)*4)(r3)
- lfd fr31,((JB_FPRS+17*2)*4)(r3)
+FP( lfd f31,((JB_FPRS+17*2)*4)(r3) )
mr r3,r4
blr
.size longjmp,.-longjmp;