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2007-05-17 Carlos O'Donell <carlos@systemhalted.org>

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* sysdeps/unix/sysv/linux/hppa/sysdep.h (PIC_REG_DEF): Define.
	(PIC_REG_USE): Define.
	(INLINE_SYSCALL): Use PIC_REG_DEF, PIC_REG_USE.
	(INTERNAL_SYSCALL): Likewise.
	(INTERNAL_SYSCALL_NCS): Likewise.
	* sysdeps/unix/sysv/linux/hppa/sysdep.c (syscall): Use
	PIC_REG_DEF, PIC_REG_USE.
This commit is contained in:
Carlos O'Donell 2007-05-18 01:59:52 +00:00
parent bdef6f9a42
commit d164f33b2a
3 changed files with 29 additions and 9 deletions
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10
ChangeLog.hppa
View File

@ -1,3 +1,13 @@
2007-05-17 Carlos O'Donell <carlos@systemhalted.org>
* sysdeps/unix/sysv/linux/hppa/sysdep.h (PIC_REG_DEF): Define.
(PIC_REG_USE): Define.
(INLINE_SYSCALL): Use PIC_REG_DEF, PIC_REG_USE.
(INTERNAL_SYSCALL): Likewise.
(INTERNAL_SYSCALL_NCS): Likewise.
* sysdeps/unix/sysv/linux/hppa/sysdep.c (syscall): Use
PIC_REG_DEF, PIC_REG_USE.
2007-05-01 Carlos O'Donell <carlos@systemhalted.org>
* sysdeps/unix/sysv/linux/hppa/linuxthreads/bits/pthreadtypes.h

6
sysdeps/unix/sysv/linux/hppa/sysdep.c
View File

@ -1,4 +1,5 @@
/* Copyright (C) 1997, 1998, 2001, 2003 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 2001, 2003, 2007
Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -58,13 +59,14 @@ syscall (long int __sysno, ...)
{
register unsigned long int __res asm("r28");
PIC_REG_DEF
LOAD_ARGS_6 (arg0, arg1, arg2, arg3, arg4, arg5)
asm volatile (SAVE_ASM_PIC
" ble 0x100(%%sr2, %%r0) \n"
" copy %1, %%r20 \n"
LOAD_ASM_PIC
: "=r" (__res)
: "r" (__sysno) ASM_ARGS_6
: "r" (__sysno) PIC_REG_USE ASM_ARGS_6
: "memory", CALL_CLOB_REGS CLOB_ARGS_6);
__sys_res = __res;
}

22
sysdeps/unix/sysv/linux/hppa/sysdep.h
View File

@ -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; \