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authorRoland McGrath <roland@gnu.org>2001-10-29 02:19:33 +0000
committerRoland McGrath <roland@gnu.org>2001-10-29 02:19:33 +0000
commitab0a3efc49493924133e9daf038d877598e03668 (patch)
treef079eca79a7a1a208b8dea2e426473e1c533fc47 /sysdeps/unix/sysv/linux/powerpc
parentec448f662fde093056e494e9d56798603d927f8b (diff)
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* sysdeps/unix/sysv/linux/powerpc/sysdep.h (ALIGNARG,
ASM_TYPE_DIRECTIVE, ASM_SIZE_DIRECTIVE, CALL_MCOUNT, ENTRY, EALIGN, DO_CALL, JUMPTARGET, PSEUDO, PSEUDO_RET, PSEUDO_END, L, C_TEXT): Move all these assembly-related definitions to ... * sysdeps/powerpc/elf/sysdep.h: ... this new file. * sysdeps/mach/powerpc/machine-lock.h: Assembly code rewritten by Peter Bruin <pjbruin@dds.nl>.
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc')
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/sysdep.h118
1 files changed, 1 insertions, 117 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/sysdep.h b/sysdeps/unix/sysv/linux/powerpc/sysdep.h
index ea924db168..904ff0a4f3 100644
--- a/sysdeps/unix/sysv/linux/powerpc/sysdep.h
+++ b/sysdeps/unix/sysv/linux/powerpc/sysdep.h
@@ -20,6 +20,7 @@
#define _LINUX_POWERPC_SYSDEP_H 1
#include <sysdeps/unix/powerpc/sysdep.h>
+#include <sysdeps/powerpc/elf/sysdep.h>
/* For Linux we can use the system call table in the header file
/usr/include/asm/unistd.h
@@ -32,121 +33,4 @@
# define SYS_ify(syscall_name) __NR_/**/syscall_name
#endif
-#ifdef __ASSEMBLER__
-
-/* This seems to always be the case on PPC. */
-#define ALIGNARG(log2) log2
-/* For ELF we need the `.type' directive to make shared libs work right. */
-#define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg;
-#define ASM_SIZE_DIRECTIVE(name) .size name,.-name
-
-/* If compiled for profiling, call `_mcount' at the start of each function. */
-#ifdef PROF
-/* The mcount code relies on a the return address being on the stack
- to locate our caller and so it can restore it; so store one just
- for its benefit. */
-#ifdef PIC
-#define CALL_MCOUNT \
- .pushsection; \
- .section ".data"; \
- .align ALIGNARG(2); \
-0:.long 0; \
- .previous; \
- mflr r0; \
- stw r0,4(r1); \
- bl _GLOBAL_OFFSET_TABLE_@local-4; \
- mflr r11; \
- lwz r0,0b@got(r11); \
- bl JUMPTARGET(_mcount);
-#else /* PIC */
-#define CALL_MCOUNT \
- .section ".data"; \
- .align ALIGNARG(2); \
-0:.long 0; \
- .previous; \
- mflr r0; \
- lis r11,0b@ha; \
- stw r0,4(r1); \
- addi r0,r11,0b@l; \
- bl JUMPTARGET(_mcount);
-#endif /* PIC */
-#else /* PROF */
-#define CALL_MCOUNT /* Do nothing. */
-#endif /* PROF */
-
-#define ENTRY(name) \
- ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \
- ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \
- .align ALIGNARG(2); \
- C_LABEL(name) \
- CALL_MCOUNT
-
-#define EALIGN_W_0 /* No words to insert. */
-#define EALIGN_W_1 nop
-#define EALIGN_W_2 nop;nop
-#define EALIGN_W_3 nop;nop;nop
-#define EALIGN_W_4 EALIGN_W_3;nop
-#define EALIGN_W_5 EALIGN_W_4;nop
-#define EALIGN_W_6 EALIGN_W_5;nop
-#define EALIGN_W_7 EALIGN_W_6;nop
-
-/* EALIGN is like ENTRY, but does alignment to 'words'*4 bytes
- past a 2^align boundary. */
-#ifdef PROF
-#define EALIGN(name, alignt, words) \
- ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \
- ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \
- .align ALIGNARG(2); \
- C_LABEL(name) \
- CALL_MCOUNT \
- b 0f; \
- .align ALIGNARG(alignt); \
- EALIGN_W_##words; \
- 0:
-#else /* PROF */
-#define EALIGN(name, alignt, words) \
- ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \
- ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \
- .align ALIGNARG(alignt); \
- EALIGN_W_##words; \
- C_LABEL(name)
-#endif
-
-#undef END
-#define END(name) \
- ASM_SIZE_DIRECTIVE(name)
-
-#define DO_CALL(syscall) \
- li 0,syscall; \
- sc
-
-#ifdef PIC
-#define JUMPTARGET(name) name##@plt
-#else
-#define JUMPTARGET(name) name
-#endif
-
-#define PSEUDO(name, syscall_name, args) \
- .section ".text"; \
- ENTRY (name) \
- DO_CALL (SYS_ify (syscall_name));
-
-#define PSEUDO_RET \
- bnslr; \
- b JUMPTARGET(__syscall_error)
-#define ret PSEUDO_RET
-
-#undef PSEUDO_END
-#define PSEUDO_END(name) \
- END (name)
-
-/* Local labels stripped out by the linker. */
-#undef L
-#define L(x) .L##x
-
-/* Label in text section. */
-#define C_TEXT(name) name
-
-#endif /* __ASSEMBLER__ */
-
#endif /* linux/powerpc/sysdep.h */