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authorMike Frysinger <vapier@gentoo.org>2006-01-29 21:02:08 +0000
committerMike Frysinger <vapier@gentoo.org>2006-01-29 21:02:08 +0000
commit2607bee41906da4f47d98a92749c11533396838c (patch)
tree0ac6b10026422c6863e63d843305c2ac2f3030f8 /libc/sysdeps/linux/arm/setjmp.S
parentceb83067f2248eb6f9517440c127250c98bbd8f3 (diff)
Patch by Joseph S. Myers to add support for ARM EABI
Diffstat (limited to 'libc/sysdeps/linux/arm/setjmp.S')
-rw-r--r--libc/sysdeps/linux/arm/setjmp.S53
1 files changed, 25 insertions, 28 deletions
diff --git a/libc/sysdeps/linux/arm/setjmp.S b/libc/sysdeps/linux/arm/setjmp.S
index 4048d7934..4ee22fc71 100644
--- a/libc/sysdeps/linux/arm/setjmp.S
+++ b/libc/sysdeps/linux/arm/setjmp.S
@@ -26,39 +26,36 @@
.type __sigsetjmp,%function
.align 4
__sigsetjmp:
+ mov ip, r0
+
/* Save registers */
+ stmia ip!, {v1-v6, sl, fp, sp, lr}
#if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__
-# ifdef __MAVERICK__
- cfstrd mvd4, [r0], #8 ; nop
- cfstrd mvd5, [r0], #8 ; nop
- cfstrd mvd6, [r0], #8 ; nop
- cfstrd mvd7, [r0], #8 ; nop
- cfstrd mvd8, [r0], #8 ; nop
- cfstrd mvd9, [r0], #8 ; nop
- cfstrd mvd10, [r0], #8 ; nop
- cfstrd mvd11, [r0], #8 ; nop
- cfstrd mvd12, [r0], #8 ; nop
- cfstrd mvd13, [r0], #8 ; nop
- cfstrd mvd14, [r0], #8 ; nop
- cfstrd mvd15, [r0], #8
-# else
- sfmea f4, 4, [r0]!
-# endif
-#else
-# ifdef __MAVERICK__
- add r0, r0, #96 /* skip the FP registers */
+# ifdef __VFP_FP__
+ /* Store the VFP registers. */
+ /* Following instruction is fstmiax ip!, {d8-d15}. */
+ stc p11, cr8, [r12], #68
+ /* Store the floating-point status register. */
+ /* Following instruction is fmrx r2, fpscr. */
+ mrc p10, 7, r2, cr1, cr0, 0
+ str r2, [ip], #4
+# elif defined __MAVERICK__
+ cfstrd mvd4, [ip], #8 ; nop
+ cfstrd mvd5, [ip], #8 ; nop
+ cfstrd mvd6, [ip], #8 ; nop
+ cfstrd mvd7, [ip], #8 ; nop
+ cfstrd mvd8, [ip], #8 ; nop
+ cfstrd mvd9, [ip], #8 ; nop
+ cfstrd mvd10, [ip], #8 ; nop
+ cfstrd mvd11, [ip], #8 ; nop
+ cfstrd mvd12, [ip], #8 ; nop
+ cfstrd mvd13, [ip], #8 ; nop
+ cfstrd mvd14, [ip], #8 ; nop
+ cfstrd mvd15, [ip], #8
# else
- add r0, r0, #48 /* skip the FP registers */
+ sfmea f4, 4, [ip]!
# endif
#endif
- stmia r0, {v1-v6, sl, fp, sp, lr}
-
- /* Restore pointer to jmp_buf */
-#ifdef __MAVERICK__
- sub r0, r0, #96
-#else
- sub r0, r0, #48
-#endif
/* Make a tail call to __sigjmp_save; it takes the same args. */
#ifdef __PIC__