mirror of
https://sourceware.org/git/glibc.git
synced 2025-01-10 11:20:10 +00:00
2001-11-05 Roland McGrath <roland@frob.com>
* sysdeps/powerpc/elf/sysdep.h: Remove this file, because it overrides the more-specific unix/sysv/linux/powerpc file and breaks everything. * sysdeps/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): These macros moved here here, put under [__ELF__].
This commit is contained in:
parent
0b2b18a255
commit
7ac887d438
@ -1,137 +0,0 @@
|
||||
/* assembly code macros for ELF PowerPC hosts
|
||||
Copyright (C) 1999,2001 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
|
||||
modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2.1 of the License, or (at your option) any later version.
|
||||
|
||||
The GNU C Library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, write to the Free
|
||||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA. */
|
||||
|
||||
#include <sysdeps/powerpc/sysdep.h>
|
||||
|
||||
#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__ */
|
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1999 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1999, 2001 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
|
||||
@ -100,4 +100,123 @@
|
||||
#define cr6 6
|
||||
#define cr7 7
|
||||
|
||||
#endif /* assembler */
|
||||
|
||||
#ifdef __ELF__
|
||||
|
||||
/* 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 /* __ELF__ */
|
||||
|
||||
|
||||
#endif /* __ASSEMBLER__ */
|
||||
|
Loading…
Reference in New Issue
Block a user