diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/__sigtrampoline.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/__sigtrampoline.S | 109 |
1 files changed, 55 insertions, 54 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/__sigtrampoline.S b/sysdeps/unix/sysv/linux/sparc/__sigtrampoline.S index 4fea850ee3..2dd13062fc 100644 --- a/sysdeps/unix/sysv/linux/sparc/__sigtrampoline.S +++ b/sysdeps/unix/sysv/linux/sparc/__sigtrampoline.S @@ -4,10 +4,10 @@ /* 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 */ +/* Sources: David Miller, 4.4BSD/SPARC code */ #include <sysdep.h> - +#define __ASSEMBLY__ /* For REGWIN_SZ */ #include <asm/ptrace.h> #include <asm/psr.h> @@ -18,13 +18,13 @@ .text ENTRY(____sparc_signal_trampoline) - .global SYMBOL_NAME(____sig_table) + .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 + * this is 132 bytes + alignement = 136 + * 96 is the C frame size + */ + save %sp,-136-CCFSZ,%sp /* save regular registers */ mov %g2,%l2 @@ -34,31 +34,31 @@ ENTRY(____sparc_signal_trampoline) mov %g6,%l6 mov %g7,%l7 - /* save fpu registers */ - ld [%fp+64+16+20],%l0 /* load the psr from sigcontext */ + /* 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? */ + 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] + 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 */ @@ -69,7 +69,7 @@ ENTRY(____sparc_signal_trampoline) /* Sanity check */ cmp %o0,33 bl 1f - or %g0,%g0,%g1 /*Call sys_setup */ + or %g0,%g0,%g1 /*Call sys_setup */ t 0x10 1: #ifdef __PIC__ @@ -79,16 +79,16 @@ ___sxx: call ___syy nop ___syy: - sethi %hi(_GLOBAL_OFFSET_TABLE_-(___sxx-.)),%o5 - or %o5,%lo(_GLOBAL_OFFSET_TABLE_-(___sxx-.)),%o5 + sethi %hi(_GLOBAL_OFFSET_TABLE_-(___sxx-.)),%o5 + or %o5,%lo(_GLOBAL_OFFSET_TABLE_-(___sxx-.)),%o5 add %o7,%o5,%o5 /* restore return address */ mov %o4,%o7 mov %o5,%o4 /* o4 has the GOT pointer */ #endif - sethi %hi(SYMBOL_NAME(____sig_table)),%o5 - or %o5,%lo(SYMBOL_NAME(____sig_table)),%o5 + sethi %hi(C_SYMBOL_NAME(____sig_table)),%o5 + or %o5,%lo(C_SYMBOL_NAME(____sig_table)),%o5 #ifdef __PIC__ add %o5,%o4,%o4 ld [%o4],%o5 @@ -97,9 +97,10 @@ ___syy: add %o5,%o4,%o4 ld [%o4],%o4 ld [%fp + REGWIN_SZ + 4],%o1 /* Load subcode */ - ld [%fp + REGWIN_SZ + 8],%o2 /* pointer to sigcontext */ + ld [%fp + REGWIN_SZ + 8],%o2 /* pointer to sigcontext */ call %o4 - ld [%fp + REGWIN_SZ + 12],%o3 /* Address where signal occurred */ + ld [%fp + REGWIN_SZ + 12],%o3 /* Address where signal ocurre + */ /* handler returned, restore state */ tst %l0 @@ -107,23 +108,23 @@ ___syy: 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 + 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 @@ -133,10 +134,10 @@ ___syy: mov %l6,%g6 mov %l7,%g7 - /* call sigreturn */ - restore %g0,SYS_sigreturn,%g1 /* register back and set syscall */ + /* 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_exit,%g1 + mov SYS_ify(exit),%g1 t 0x10 |