+2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
+ is defined.
+
2006-03-13 Richard Sandiford <richard@codesourcery.com>
* config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
/* 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.
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"