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| author | John David Anglin <dave.anglin@nrc-cnrc.gc.ca> | 2006-03-13 23:22:57 +0000 |
|---|---|---|
| committer | John David Anglin <danglin@gcc.gnu.org> | 2006-03-13 23:22:57 +0000 |
| commit | 26a851b930f908e3dffa57a3dfa2597c6ed004d7 (patch) | |
| tree | d37a46bb3ccf79d2be74e0e9aff5138f37147b15 /gcc/config/pa/pa32-linux.h | |
| parent | a4b9e93e5d35d44cc1d13680800c36065e2cbd3e (diff) | |
| download | gcc-26a851b930f908e3dffa57a3dfa2597c6ed004d7.zip gcc-26a851b930f908e3dffa57a3dfa2597c6ed004d7.tar.gz gcc-26a851b930f908e3dffa57a3dfa2597c6ed004d7.tar.bz2 | |
pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O is defined.
* pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
is defined.
From-SVN: r112029
Diffstat (limited to 'gcc/config/pa/pa32-linux.h')
| -rw-r--r-- | gcc/config/pa/pa32-linux.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/gcc/config/pa/pa32-linux.h b/gcc/config/pa/pa32-linux.h index 0df6305..69c73fc 100644 --- a/gcc/config/pa/pa32-linux.h +++ b/gcc/config/pa/pa32-linux.h @@ -1,5 +1,5 @@ /* Definitions for PA_RISC with ELF-32 format - Copyright (C) 2000, 2002, 2004 Free Software Foundation, Inc. + Copyright (C) 2000, 2002, 2004, 2006 Free Software Foundation, Inc. This file is part of GCC. @@ -36,4 +36,26 @@ Boston, MA 02110-1301, USA. */ aligned(sizeof(func_ptr)))) \ = { (func_ptr) (-1) } +/* This is a PIC version of CRT_CALL_STATIC_FUNCTION. The PIC + register has to be saved before the call and restored after + the call. We assume that register %r4 is available for this + purpose. The hack prevents GCC from deleting the restore. */ +#ifdef CRTSTUFFS_O +#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \ +static void __attribute__((__used__)) \ +call_ ## FUNC (void) \ +{ \ + asm (SECTION_OP); \ + asm volatile ("bl " #FUNC ",%%r2\n\t" \ + "copy %%r19,%%r4\n\t" \ + "copy %%r4,%%r19\n" \ + : \ + : \ + : "r1", "r2", "r4", "r20", "r21", \ + "r22", "r24", "r24", "r25", "r26", \ + "r27", "r28", "r29", "r31"); \ + asm (TEXT_SECTION_ASM_OP); \ +} +#endif + #define MD_UNWIND_SUPPORT "config/pa/linux-unwind.h" |