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-rw-r--r--libc/sysdeps/linux/i386/sysdep.h126
-rw-r--r--libpthread/nptl/sysdeps/i386/sysdep.h157
2 files changed, 125 insertions, 158 deletions
diff --git a/libc/sysdeps/linux/i386/sysdep.h b/libc/sysdeps/linux/i386/sysdep.h
index ffbde7d96..ff67e8a08 100644
--- a/libc/sysdeps/linux/i386/sysdep.h
+++ b/libc/sysdeps/linux/i386/sysdep.h
@@ -22,7 +22,131 @@
#define _LINUX_I386_SYSDEP_H 1
#include <sys/syscall.h>
-#include <sysdeps/i386/sysdep.h>
+#include <common/sysdep.h>
+
+#ifdef __ASSEMBLER__
+
+/* Syntactic details of assembler. */
+
+/* ELF uses byte-counts for .align, most others use log2 of count of bytes. */
+#define ALIGNARG(log2) 1<<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;
+
+/* In ELF C symbols are asm symbols. */
+#undef NO_UNDERSCORES
+#define NO_UNDERSCORES
+
+/* Define an entry point visible from C.
+
+ There is currently a bug in gdb which prevents us from specifying
+ incomplete stabs information. Fake some entries here which specify
+ the current source file. */
+#define ENTRY(name) \
+ STABS_CURRENT_FILE1("") \
+ STABS_CURRENT_FILE(name) \
+ ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \
+ ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \
+ .align ALIGNARG(4); \
+ STABS_FUN(name) \
+ C_LABEL(name) \
+ cfi_startproc; \
+ CALL_MCOUNT
+
+#undef END
+#define END(name) \
+ cfi_endproc; \
+ ASM_SIZE_DIRECTIVE(name) \
+ STABS_FUN_END(name)
+
+#ifdef HAVE_CPP_ASM_DEBUGINFO
+/* Disable that goop, because we just pass -g through to the assembler
+ and it generates proper line number information directly. */
+# define STABS_CURRENT_FILE1(name)
+# define STABS_CURRENT_FILE(name)
+# define STABS_FUN(name)
+# define STABS_FUN_END(name)
+#else
+/* Remove the following two lines once the gdb bug is fixed. */
+#define STABS_CURRENT_FILE(name) \
+ STABS_CURRENT_FILE1 (#name)
+#define STABS_CURRENT_FILE1(name) \
+ 1: .stabs name,100,0,0,1b;
+/* Emit stabs definition lines. We use F(0,1) and define t(0,1) as `int',
+ the same way gcc does it. */
+#define STABS_FUN(name) STABS_FUN2(name, name##:F(0,1))
+#define STABS_FUN2(name, namestr) \
+ .stabs "int:t(0,1)=r(0,1);-2147483648;2147483647;",128,0,0,0; \
+ .stabs #namestr,36,0,0,name;
+#define STABS_FUN_END(name) \
+ 1: .stabs "",36,0,0,1b-name;
+#endif
+
+/* If compiled for profiling, call `mcount' at the start of each function. */
+#ifdef PROF
+/* The mcount code relies on a normal frame pointer being on the stack
+ to locate our caller, so push one just for its benefit. */
+#define CALL_MCOUNT \
+ pushl %ebp; cfi_adjust_cfa_offset (4); movl %esp, %ebp; \
+ cfi_def_cfa_register (ebp); call JUMPTARGET(mcount); \
+ popl %ebp; cfi_def_cfa (esp, 4);
+#else
+#define CALL_MCOUNT /* Do nothing. */
+#endif
+
+#ifdef NO_UNDERSCORES
+/* Since C identifiers are not normally prefixed with an underscore
+ on this system, the asm identifier `syscall_error' intrudes on the
+ C name space. Make sure we use an innocuous name. */
+#define syscall_error __syscall_error
+#define mcount _mcount
+#endif
+
+#undef JUMPTARGET
+#ifdef __PIC__
+#define JUMPTARGET(name) name##@PLT
+#define SYSCALL_PIC_SETUP \
+ pushl %ebx; \
+ cfi_adjust_cfa_offset (4); \
+ call 0f; \
+0: popl %ebx; \
+ cfi_adjust_cfa_offset (-4); \
+ addl $_GLOBAL_OFFSET_TABLE+[.-0b], %ebx;
+
+
+# define SETUP_PIC_REG(reg) \
+ .ifndef __x86.get_pc_thunk.reg; \
+ .section .gnu.linkonce.t.__x86.get_pc_thunk.reg,"ax",@progbits; \
+ .globl __x86.get_pc_thunk.reg; \
+ .hidden __x86.get_pc_thunk.reg; \
+ .type __x86.get_pc_thunk.reg,@function; \
+__x86.get_pc_thunk.reg: \
+ movl (%esp), %e##reg; \
+ ret; \
+ .size __x86.get_pc_thunk.reg, . - __x86.get_pc_thunk.reg; \
+ .previous; \
+ .endif; \
+ call __x86.get_pc_thunk.reg
+
+# define LOAD_PIC_REG(reg) \
+ SETUP_PIC_REG(reg); addl $_GLOBAL_OFFSET_TABLE_, %e##reg
+
+#else
+#define JUMPTARGET(name) name
+#define SYSCALL_PIC_SETUP /* Nothing. */
+#endif
+
+/* Local label name for asm code. */
+#ifndef L
+#ifdef HAVE_ELF
+#define L(name) .L##name
+#else
+#define L(name) name
+#endif
+#endif
+
+#endif /* __ASSEMBLER__ */
#ifndef offsetof
# define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
diff --git a/libpthread/nptl/sysdeps/i386/sysdep.h b/libpthread/nptl/sysdeps/i386/sysdep.h
deleted file mode 100644
index 50253de20..000000000
--- a/libpthread/nptl/sysdeps/i386/sysdep.h
+++ /dev/null
@@ -1,157 +0,0 @@
-/* Assembler macros for i386.
- Copyright (C) 1991-93,95,96,98,2002,2003,2005,2006
- 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 <common/sysdep.h>
-
-#ifdef __ASSEMBLER__
-
-/* Syntactic details of assembler. */
-
-/* ELF uses byte-counts for .align, most others use log2 of count of bytes. */
-#define ALIGNARG(log2) 1<<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;
-
-/* In ELF C symbols are asm symbols. */
-#undef NO_UNDERSCORES
-#define NO_UNDERSCORES
-
-/* Define an entry point visible from C.
-
- There is currently a bug in gdb which prevents us from specifying
- incomplete stabs information. Fake some entries here which specify
- the current source file. */
-#define ENTRY(name) \
- STABS_CURRENT_FILE1("") \
- STABS_CURRENT_FILE(name) \
- ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \
- ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \
- .align ALIGNARG(4); \
- STABS_FUN(name) \
- C_LABEL(name) \
- cfi_startproc; \
- CALL_MCOUNT
-
-#undef END
-#define END(name) \
- cfi_endproc; \
- ASM_SIZE_DIRECTIVE(name) \
- STABS_FUN_END(name)
-
-#ifdef HAVE_CPP_ASM_DEBUGINFO
-/* Disable that goop, because we just pass -g through to the assembler
- and it generates proper line number information directly. */
-# define STABS_CURRENT_FILE1(name)
-# define STABS_CURRENT_FILE(name)
-# define STABS_FUN(name)
-# define STABS_FUN_END(name)
-#else
-/* Remove the following two lines once the gdb bug is fixed. */
-#define STABS_CURRENT_FILE(name) \
- STABS_CURRENT_FILE1 (#name)
-#define STABS_CURRENT_FILE1(name) \
- 1: .stabs name,100,0,0,1b;
-/* Emit stabs definition lines. We use F(0,1) and define t(0,1) as `int',
- the same way gcc does it. */
-#define STABS_FUN(name) STABS_FUN2(name, name##:F(0,1))
-#define STABS_FUN2(name, namestr) \
- .stabs "int:t(0,1)=r(0,1);-2147483648;2147483647;",128,0,0,0; \
- .stabs #namestr,36,0,0,name;
-#define STABS_FUN_END(name) \
- 1: .stabs "",36,0,0,1b-name;
-#endif
-
-/* If compiled for profiling, call `mcount' at the start of each function. */
-#ifdef PROF
-/* The mcount code relies on a normal frame pointer being on the stack
- to locate our caller, so push one just for its benefit. */
-#define CALL_MCOUNT \
- pushl %ebp; cfi_adjust_cfa_offset (4); movl %esp, %ebp; \
- cfi_def_cfa_register (ebp); call JUMPTARGET(mcount); \
- popl %ebp; cfi_def_cfa (esp, 4);
-#else
-#define CALL_MCOUNT /* Do nothing. */
-#endif
-
-#ifdef NO_UNDERSCORES
-/* Since C identifiers are not normally prefixed with an underscore
- on this system, the asm identifier `syscall_error' intrudes on the
- C name space. Make sure we use an innocuous name. */
-#define syscall_error __syscall_error
-#define mcount _mcount
-#endif
-
-#define PSEUDO(name, syscall_name, args) \
- .globl syscall_error; \
-lose: SYSCALL_PIC_SETUP \
- jmp JUMPTARGET(syscall_error); \
- ENTRY (name) \
- DO_CALL (syscall_name, args); \
- jb lose
-
-#undef PSEUDO_END
-#define PSEUDO_END(name) \
- END (name)
-
-#undef JUMPTARGET
-#ifdef __PIC__
-#define JUMPTARGET(name) name##@PLT
-#define SYSCALL_PIC_SETUP \
- pushl %ebx; \
- cfi_adjust_cfa_offset (4); \
- call 0f; \
-0: popl %ebx; \
- cfi_adjust_cfa_offset (-4); \
- addl $_GLOBAL_OFFSET_TABLE+[.-0b], %ebx;
-
-
-# define SETUP_PIC_REG(reg) \
- .ifndef __x86.get_pc_thunk.reg; \
- .section .gnu.linkonce.t.__x86.get_pc_thunk.reg,"ax",@progbits; \
- .globl __x86.get_pc_thunk.reg; \
- .hidden __x86.get_pc_thunk.reg; \
- .type __x86.get_pc_thunk.reg,@function; \
-__x86.get_pc_thunk.reg: \
- movl (%esp), %e##reg; \
- ret; \
- .size __x86.get_pc_thunk.reg, . - __x86.get_pc_thunk.reg; \
- .previous; \
- .endif; \
- call __x86.get_pc_thunk.reg
-
-# define LOAD_PIC_REG(reg) \
- SETUP_PIC_REG(reg); addl $_GLOBAL_OFFSET_TABLE_, %e##reg
-
-#else
-#define JUMPTARGET(name) name
-#define SYSCALL_PIC_SETUP /* Nothing. */
-#endif
-
-/* Local label name for asm code. */
-#ifndef L
-#ifdef HAVE_ELF
-#define L(name) .L##name
-#else
-#define L(name) name
-#endif
-#endif
-
-#endif /* __ASSEMBLER__ */
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