diff options
Diffstat (limited to 'sysdeps/sparc')
| -rw-r--r-- | sysdeps/sparc/dl-machine.h | 9 | ||||
| -rw-r--r-- | sysdeps/sparc/elf/start.c | 2 | ||||
| -rw-r--r-- | sysdeps/sparc/fpu_control.h | 24 | ||||
| -rw-r--r-- | sysdeps/sparc/setjmp.S | 8 | ||||
| -rw-r--r-- | sysdeps/sparc/udiv_qrnnd.S | 2 |
5 files changed, 18 insertions, 27 deletions
diff --git a/sysdeps/sparc/dl-machine.h b/sysdeps/sparc/dl-machine.h index ceaf9ee..1ab3762 100644 --- a/sysdeps/sparc/dl-machine.h +++ b/sysdeps/sparc/dl-machine.h @@ -295,10 +295,10 @@ _start:\n\ or %l2,%lo(_GLOBAL_OFFSET_TABLE_-(2b-.)),%l2\n\ or %l3,%lo(_dl_default_scope),%l3\n\ add %o7,%l2,%l1\n\ - # %l1 has the GOT. %l3 has _dl_default_scope offset\n\ - # Now, load _dl_default_scope [2]\n\ - add %l3,4,%l3\n\ + # %l1 has the GOT. %l3 has _dl_default_scope GOT offset\n\ ld [%l1+%l3],%l4\n\ + # %l4 has pointer to _dl_default_scope. Now, load _dl_default_scope [2]\n\ + ld [%l4+8],%l4\n\ # %l4 has _dl_default_scope [2]\n\ # call _dl_init_next until it returns 0, pass _dl_default_scope [2]\n\ 3:\n\ @@ -308,7 +308,8 @@ _start:\n\ bz,a 4f\n\ nop\n\ call %o0\n\ - nop\n\ + /* Pass pointer to argument block to this init function */\n\ + add %sp,64,%o0\n\ b,a 3b\n\ 4:\n\ # Clear the _dl_starting_up variable and pass _dl_fini in %g1 as per ELF ABI.\n\ diff --git a/sysdeps/sparc/elf/start.c b/sysdeps/sparc/elf/start.c index f9c97f8..f1e8019 100644 --- a/sysdeps/sparc/elf/start.c +++ b/sysdeps/sparc/elf/start.c @@ -60,8 +60,8 @@ _start (void) #ifdef ELF_INIT_FINI { extern void _fini (void); - atexit (_fini); _init (); + atexit (_fini); } #endif exit (main (argc, argv, envp)); diff --git a/sysdeps/sparc/fpu_control.h b/sysdeps/sparc/fpu_control.h index cfd8584..5ef3824 100644 --- a/sysdeps/sparc/fpu_control.h +++ b/sysdeps/sparc/fpu_control.h @@ -31,12 +31,12 @@ #define _FPU_SINGLE 0x10000000 /* DO NOT USE */ /* rounding control / Sparc */ -#define _FPU_RC_NEAREST 0x0 /* RECOMMENDED */ -#define _FPU_RC_DOWN 0x80000000 -#define _FPU_RC_UP 0xc0000000 +#define _FPU_RC_DOWN 0xc0000000 +#define _FPU_RC_UP 0x80000000 #define _FPU_RC_ZERO 0x40000000 +#define _FPU_RC_NEAREST 0x0 /* RECOMMENDED */ -#define _FPU_RESERVED 0x300000 /* Reserved bits in cw */ +#define _FPU_RESERVED 0x30300000 /* Reserved bits in cw */ /* Now two recommended cw */ @@ -45,26 +45,16 @@ - extended precision - rounding to nearest - exceptions on overflow, zero divide and NaN */ -#define _FPU_DEFAULT 0x1f +#define _FPU_DEFAULT 0x1e /* IEEE: same as above, but exceptions */ #define _FPU_IEEE 0x0 -/* private namespace. It should only be used by crt0.o. */ -extern unsigned short __fpu_control; - /* Type of the control word. */ -typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__HI__))); +typedef unsigned int fpu_control_t; #define _FPU_GETCW(cw) __asm__ ("st %%fsr,%0" : "=m" (*&cw)) -#define _FPU_SETCW(cw) __asm__ ("ld %0,%%fsr" : "=m" (*&cw)) - -#if 0 -/* The intel original macros */ -/* Macros for accessing the hardware control word. */ -#define _FPU_GETCW(cw) __asm__ ("fnstcw %0" : "=m" (*&cw)) -#define _FPU_SETCW(cw) __asm__ ("fldcw %0" : : "m" (*&cw)) -#endif +#define _FPU_SETCW(cw) __asm__ ("ld %0,%%fsr" : : "m" (*&cw)) /* Default control word set at startup. */ extern fpu_control_t __fpu_control; diff --git a/sysdeps/sparc/setjmp.S b/sysdeps/sparc/setjmp.S index f07a348..9e93668 100644 --- a/sysdeps/sparc/setjmp.S +++ b/sysdeps/sparc/setjmp.S @@ -31,15 +31,15 @@ ENTRY (__sigsetjmp) call 1f nop 1: - sethi %hi(_GLOBAL_OFFSET_TABLE_-(2b-.)),%l7 - or %l7,%lo(_GLOBAL_OFFSET_TABLE_-(2b-.)),%l7 - add %l7,%o7,%l7 + sethi %hi(_GLOBAL_OFFSET_TABLE_-(2b-.)),%g2 + or %g2,%lo(_GLOBAL_OFFSET_TABLE_-(2b-.)),%g2 + add %g2,%o7,%g2 sethi %hi(C_SYMBOL_NAME (__sigjmp_save)), %g3 or %g3,%lo(C_SYMBOL_NAME (__sigjmp_save)), %g3 st %sp, [%o0 + (JB_SP * 4)] st %fp, [%o0 + (JB_FP * 4)] mov %g1,%o7 - ld [%l7+%g3],%g1 + ld [%g2+%g3],%g1 jmp %g1 st %o7, [%o0+(JB_PC*4)] #else diff --git a/sysdeps/sparc/udiv_qrnnd.S b/sysdeps/sparc/udiv_qrnnd.S index e5d3067..9126b64 100644 --- a/sysdeps/sparc/udiv_qrnnd.S +++ b/sysdeps/sparc/udiv_qrnnd.S @@ -26,7 +26,6 @@ ! n1 i1 ! n0 i2 ! d i3 - #include "DEFS.h" #include "sysdep.h" #undef ret /* Kludge for glibc */ @@ -38,6 +37,7 @@ LC1: .double 0r2147483648 .align 4 .global __udiv_qrnnd + .type __udiv_qrnnd,@function FUNC(__udiv_qrnnd) !#PROLOGUE# 0 save %sp,-104,%sp |