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.

diff --git a/ChangeLog.hppa b/ChangeLog.hppa
index 7d38ab0..e35eb1b 100644 (file)
--- a/ChangeLog.hppa
+++ b/ChangeLog.hppa
@@ -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

diff --git a/sysdeps/unix/sysv/linux/hppa/sysdep.c b/sysdeps/unix/sysv/linux/hppa/sysdep.c
index 8637c51..4a0bd21 100644 (file)
--- a/sysdeps/unix/sysv/linux/hppa/sysdep.c
+++ b/sysdeps/unix/sysv/linux/hppa/sysdep.c
@@ -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;
   }

diff --git a/sysdeps/unix/sysv/linux/hppa/sysdep.h b/sysdeps/unix/sysv/linux/hppa/sysdep.h
index 69ed700..96632a1 100644 (file)
--- a/sysdeps/unix/sysv/linux/hppa/sysdep.h
+++ b/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;                                \