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Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/sparc32/__sigtrampoline.S')
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/__sigtrampoline.S140
1 files changed, 0 insertions, 140 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/__sigtrampoline.S b/sysdeps/unix/sysv/linux/sparc/sparc32/__sigtrampoline.S
deleted file mode 100644
index 8e88a3f..0000000
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/__sigtrampoline.S
+++ /dev/null
@@ -1,140 +0,0 @@
-/* Userland trampoline code for sigaction on Linux/SPARC */
-/* (C) 1996, 1997 Free Software Foundation, Inc. */
-/* This file is part of the GNU C Library. */
-/* Contributed by Miguel de Icaza (miguel@gnu.ai.mit.edu) */
-/* Many thanks go to David Miller for explaining all this to me */
-/* miguel@nuclecu.unam.mx */
-/* Sources: David Miller, 4.4BSD/SPARC code */
-
-#include <sysdep.h>
-#define __ASSEMBLY__
-/* For REGWIN_SZ */
-#include <asm/ptrace.h>
-#include <asm/psr.h>
-
-/* The C compiler frame size */
-#define CCFSZ 96
-
- .text
-
-ENTRY(____sparc_signal_trampoline)
- .global C_SYMBOL_NAME(____sig_table)
-
- /* Make room for 32 %f registers + %fsr
- * this is 132 bytes + alignement = 136
- * 96 is the C frame size
- */
- save %sp,-136-CCFSZ,%sp
-
- /* save regular registers */
- mov %g2,%l2
- mov %g3,%l3
- mov %g4,%l4
- mov %g5,%l5
- mov %g6,%l6
- mov %g7,%l7
-
- /* save fpu registers */
- ld [%fp+64+16+20],%l0 /* load the psr from sigcontext */
- sethi %hi(PSR_EF),%l1
- andcc %l0,%l1,%l0 /* is floating point enabled? */
- be 1f
- rd %y,%l1 /* save y anyways */
-
- /* save fpu registers */
- st %fsr, [%sp + CCFSZ + 0]
- std %f0, [%sp + CCFSZ + 8]
- std %f2, [%sp + CCFSZ + 16]
- std %f4, [%sp + CCFSZ + 24]
- std %f6, [%sp + CCFSZ + 32]
- std %f8, [%sp + CCFSZ + 40]
- std %f10, [%sp + CCFSZ + 48]
- std %f12, [%sp + CCFSZ + 56]
- std %f14, [%sp + CCFSZ + 64]
- std %f16, [%sp + CCFSZ + 72]
- std %f18, [%sp + CCFSZ + 80]
- std %f20, [%sp + CCFSZ + 88]
- std %f22, [%sp + CCFSZ + 96]
- std %f24, [%sp + CCFSZ + 104]
- std %f26, [%sp + CCFSZ + 112]
- std %f28, [%sp + CCFSZ + 120]
- std %f30, [%sp + CCFSZ + 128]
-
-1:
- /* Load signal number */
- ld [%fp + REGWIN_SZ],%o0
- mov %fp,%o1
- mov 0xfea,%o2
-
- /* Sanity check */
- cmp %o0,33
- bl 1f
- or %g0,%g0,%g1 /*Call sys_setup */
- t 0x10
-1:
-#ifdef PIC
- /* Save return address */
- mov %o7,%o5
-11: call 12f
- sethi %hi(_GLOBAL_OFFSET_TABLE_-(11b-.)),%o4
-12: or %o5,%lo(_GLOBAL_OFFSET_TABLE_-(11b-.)),%o4
- add %o7,%o4,%o4
- /* restore return address */
- mov %o5,%o7
- /* o4 has the GOT pointer */
-#endif
- sethi %hi(C_SYMBOL_NAME(____sig_table)),%o5
- or %o5,%lo(C_SYMBOL_NAME(____sig_table)),%o5
-#ifdef PIC
- ld [%o4+%o5], %o5
-#endif
- sll %o0,2,%o4
- add %o5,%o4,%o4
- ld [%o4],%o4
- ld [%fp + REGWIN_SZ + 4],%o1 /* Load subcode */
- ld [%fp + REGWIN_SZ + 8],%o2 /* pointer to sigcontext */
- call %o4
- ld [%fp + REGWIN_SZ + 12],%o3 /* Address where signal ocurre
- */
-
- /* handler returned, restore state */
- tst %l0
- be 1f
- wr %l1,%g0,%y
-
- /* fpu restoration */
- ld [%sp + CCFSZ + 0], %fsr
- ldd [%sp + CCFSZ + 8], %f0
- ldd [%sp + CCFSZ + 16], %f2
- ldd [%sp + CCFSZ + 24], %f4
- ldd [%sp + CCFSZ + 32], %f6
- ldd [%sp + CCFSZ + 40], %f8
- ldd [%sp + CCFSZ + 48], %f10
- ldd [%sp + CCFSZ + 56], %f12
- ldd [%sp + CCFSZ + 64], %f14
- ldd [%sp + CCFSZ + 72], %f16
- ldd [%sp + CCFSZ + 80], %f18
- ldd [%sp + CCFSZ + 88], %f20
- ldd [%sp + CCFSZ + 96], %f22
- ldd [%sp + CCFSZ + 104], %f24
- ldd [%sp + CCFSZ + 112], %f26
- ldd [%sp + CCFSZ + 120], %f28
- ldd [%sp + CCFSZ + 128], %f30
-
-1:
- mov %l2,%g2
- mov %l3,%g3
- mov %l4,%g4
- mov %l5,%g5
- mov %l6,%g6
- mov %l7,%g7
-
- /* call sigreturn */
- restore %g0,SYS_ify(sigreturn),%g1 /* register back and set syscal */
- add %sp,64+16,%o0
- t 0x10
- /* if we return, sysreturn failed */
- mov SYS_ify(exit),%g1
- t 0x10
-
-END(____sparc_signal_trampoline)