diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/hppa/sysdep.h')
| -rw-r--r-- | ports/sysdeps/unix/sysv/linux/hppa/sysdep.h | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/hppa/sysdep.h b/ports/sysdeps/unix/sysv/linux/hppa/sysdep.h index 69ed7002c..96632a1c4 100644 --- a/ports/sysdeps/unix/sysv/linux/hppa/sysdep.h +++ b/ports/sysdeps/unix/sysv/linux/hppa/sysdep.h @@ -1,5 +1,6 @@ /* Assembler macros for PA-RISC. - Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc. + Copyright (C) 1999, 2001, 2002, 2003, 2007 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper, <drepper@cygnus.com>, August 1999. Linux/PA-RISC changes by Philipp Rumpf, <prumpf@tux.org>, March 2000. @@ -40,7 +41,9 @@ # define TREG_ASM "%r4" /* Cant clobber r3, it holds framemarker */ # define SAVE_ASM_PIC " copy %%r19, %" TREG_ASM "\n" # define LOAD_ASM_PIC " copy %" TREG_ASM ", %%r19\n" -# define USING_TREG TREG_ASM, +# define CLOB_TREG TREG_ASM , +# define PIC_REG_DEF register unsigned long __r19 asm("r19"); +# define PIC_REG_USE , "r" (__r19) #else # define TREG %r3 # define SAVE_PIC(SREG) nop ASM_LINE_SEP @@ -49,7 +52,9 @@ # define TREG_ASM # define SAVE_ASM_PIC "nop \n" # define LOAD_ASM_PIC "nop \n" -# define USING_TREG +# define CLOB_TREG +# define PIC_REG_DEF +# define PIC_REG_USE #endif #ifdef __ASSEMBLER__ @@ -344,7 +349,7 @@ L(pre_end): ASM_LINE_SEP \ TREG is clobbered and use that register to save/restore r19 across the syscall. */ -#define CALL_CLOB_REGS "%r1", "%r2", USING_TREG \ +#define CALL_CLOB_REGS "%r1", "%r2", CLOB_TREG \ "%r20", "%r29", "%r31" #undef INLINE_SYSCALL @@ -353,6 +358,7 @@ L(pre_end): ASM_LINE_SEP \ long __sys_res; \ { \ register unsigned long __res asm("r28"); \ + PIC_REG_DEF \ LOAD_ARGS_##nr(args) \ /* FIXME: HACK save/load r19 around syscall */ \ asm volatile( \ @@ -361,7 +367,7 @@ L(pre_end): ASM_LINE_SEP \ " ldi %1, %%r20\n" \ LOAD_ASM_PIC \ : "=r" (__res) \ - : "i" (SYS_ify(name)) ASM_ARGS_##nr \ + : "i" (SYS_ify(name)) PIC_REG_USE ASM_ARGS_##nr \ : "memory", CALL_CLOB_REGS CLOB_ARGS_##nr \ ); \ __sys_res = (long)__res; \ @@ -398,6 +404,7 @@ L(pre_end): ASM_LINE_SEP \ long __sys_res; \ { \ register unsigned long __res asm("r28"); \ + PIC_REG_DEF \ LOAD_ARGS_##nr(args) \ /* FIXME: HACK save/load r19 around syscall */ \ asm volatile( \ @@ -406,7 +413,7 @@ L(pre_end): ASM_LINE_SEP \ " ldi %1, %%r20\n" \ LOAD_ASM_PIC \ : "=r" (__res) \ - : "i" (SYS_ify(name)) ASM_ARGS_##nr \ + : "i" (SYS_ify(name)) PIC_REG_USE ASM_ARGS_##nr \ : "memory", CALL_CLOB_REGS CLOB_ARGS_##nr \ ); \ __sys_res = (long)__res; \ @@ -422,6 +429,7 @@ L(pre_end): ASM_LINE_SEP \ long __sys_res; \ { \ register unsigned long __res asm("r28"); \ + PIC_REG_DEF \ LOAD_ARGS_##nr(args) \ /* FIXME: HACK save/load r19 around syscall */ \ asm volatile( \ @@ -430,7 +438,7 @@ L(pre_end): ASM_LINE_SEP \ " copy %1, %%r20\n" \ LOAD_ASM_PIC \ : "=r" (__res) \ - : "r" (name) ASM_ARGS_##nr \ + : "r" (name) PIC_REG_USE ASM_ARGS_##nr \ : "memory", CALL_CLOB_REGS CLOB_ARGS_##nr \ ); \ __sys_res = (long)__res; \ |