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* sysdeps/i386/sysdep.h: Add cfi instrumentation to asm fragments.

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* sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/i386/socket.S: Remove now duplicate
	cfi_startproc and cfi_endproc.
This commit is contained in:
Ulrich Drepper
2005-04-28 21:11:47 +00:00
parent b1ecbed20b
commit 62d01985e9
5 changed files with 38 additions and 15 deletions
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5
ChangeLog
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@ -1,5 +1,10 @@
2005-04-28 Ulrich Drepper <drepper@redhat.com> 2005-04-28 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/sysdep.h: Add cfi instrumentation to asm fragments.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/i386/socket.S: Remove now duplicate
cfi_startproc and cfi_endproc.
* configure.in: Remove ultrasparc names. * configure.in: Remove ultrasparc names.
* sysdeps/i386/i686/memcmp.S: Move misplaced END. * sysdeps/i386/i686/memcmp.S: Move misplaced END.

4
configure vendored
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@ -1976,9 +1976,9 @@ sparcv8plus | sparcv8plusa | sparcv9)
base_machine=sparc machine=sparc/sparc32/sparcv9 ;; base_machine=sparc machine=sparc/sparc32/sparcv9 ;;
sparcv8plusb | sparcv9b) sparcv8plusb | sparcv9b)
base_machine=sparc machine=sparc/sparc32/sparcv9b ;; base_machine=sparc machine=sparc/sparc32/sparcv9b ;;
sparc64 | ultrasparc) sparc64)
base_machine=sparc machine=sparc/sparc64 ;; base_machine=sparc machine=sparc/sparc64 ;;
sparc64b | ultrasparc3) sparc64b)
base_machine=sparc machine=sparc/sparc64/sparcv9b ;; base_machine=sparc machine=sparc/sparc64/sparcv9b ;;
thumb*) base_machine=thumb machine=arm/thumb/$machine ;; thumb*) base_machine=thumb machine=arm/thumb/$machine ;;
*) base_machine=$machine ;; *) base_machine=$machine ;;

10
sysdeps/i386/sysdep.h
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@ -1,5 +1,5 @@
/* Assembler macros for i386. /* Assembler macros for i386.
Copyright (C) 1991,92,93,95,96,98,2002,2003 Free Software Foundation, Inc. Copyright (C) 1991-93,95,96,98,2002,2003,2005 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -57,10 +57,12 @@
.align ALIGNARG(4); \ .align ALIGNARG(4); \
STABS_FUN(name) \ STABS_FUN(name) \
C_LABEL(name) \ C_LABEL(name) \
cfi_startproc; \
CALL_MCOUNT CALL_MCOUNT
#undef END #undef END
#define END(name) \ #define END(name) \
cfi_endproc; \
ASM_SIZE_DIRECTIVE(name) \ ASM_SIZE_DIRECTIVE(name) \
STABS_FUN_END(name) STABS_FUN_END(name)
@ -92,7 +94,9 @@
/* The mcount code relies on a normal frame pointer being on the stack /* The mcount code relies on a normal frame pointer being on the stack
to locate our caller, so push one just for its benefit. */ to locate our caller, so push one just for its benefit. */
#define CALL_MCOUNT \ #define CALL_MCOUNT \
pushl %ebp; movl %esp, %ebp; call JUMPTARGET(mcount); popl %ebp; 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 #else
#define CALL_MCOUNT /* Do nothing. */ #define CALL_MCOUNT /* Do nothing. */
#endif #endif
@ -122,8 +126,10 @@ lose: SYSCALL_PIC_SETUP \
#define JUMPTARGET(name) name##@PLT #define JUMPTARGET(name) name##@PLT
#define SYSCALL_PIC_SETUP \ #define SYSCALL_PIC_SETUP \
pushl %ebx; \ pushl %ebx; \
cfi_adjust_cfa_offset (4); \
call 0f; \ call 0f; \
0: popl %ebx; \ 0: popl %ebx; \
cfi_adjust_cfa_offset (-4); \
addl $_GLOBAL_OFFSET_TABLE+[.-0b], %ebx; addl $_GLOBAL_OFFSET_TABLE+[.-0b], %ebx;
#else #else
#define JUMPTARGET(name) name #define JUMPTARGET(name) name

4
sysdeps/unix/sysv/linux/i386/socket.S
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@ -1,4 +1,4 @@
/* Copyright (C) 1995,1996,1997,1998,2002,2003 Free Software Foundation, Inc. /* Copyright (C) 1995-1998,2002,2003,2005 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -41,7 +41,6 @@
#endif #endif
.globl __socket .globl __socket
cfi_startproc
ENTRY (__socket) ENTRY (__socket)
#if defined NEED_CANCELLATION && defined CENABLE #if defined NEED_CANCELLATION && defined CENABLE
SINGLE_THREAD_P SINGLE_THREAD_P
@ -118,7 +117,6 @@ L(pseudo_end):
/* Successful; return the syscall's value. */ /* Successful; return the syscall's value. */
ret ret
#endif #endif
cfi_endproc
PSEUDO_END (__socket) PSEUDO_END (__socket)
#ifndef NO_WEAK_ALIAS #ifndef NO_WEAK_ALIAS

30
sysdeps/unix/sysv/linux/i386/sysdep.h
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@ -168,16 +168,22 @@ __i686.get_pc_thunk.reg: \
# else # else
# define SYSCALL_ERROR_HANDLER \ # define SYSCALL_ERROR_HANDLER \
0:pushl %ebx; \ 0:pushl %ebx; \
cfi_adjust_cfa_offset (4); \
cfi_rel_offset (ebx, 0); \
SETUP_PIC_REG (bx); \ SETUP_PIC_REG (bx); \
addl $_GLOBAL_OFFSET_TABLE_, %ebx; \ addl $_GLOBAL_OFFSET_TABLE_, %ebx; \
xorl %edx, %edx; \ xorl %edx, %edx; \
subl %eax, %edx; \ subl %eax, %edx; \
pushl %edx; \ pushl %edx; \
cfi_adjust_cfa_offset (4); \
PUSH_ERRNO_LOCATION_RETURN; \ PUSH_ERRNO_LOCATION_RETURN; \
call BP_SYM (__errno_location)@PLT; \ call BP_SYM (__errno_location)@PLT; \
POP_ERRNO_LOCATION_RETURN; \ POP_ERRNO_LOCATION_RETURN; \
popl %ecx; \ popl %ecx; \
cfi_adjust_cfa_offset (-4); \
popl %ebx; \ popl %ebx; \
cfi_adjust_cfa_offset (-4); \
cfi_restore (ebx); \
movl %ecx, (%eax); \ movl %ecx, (%eax); \
orl $-1, %eax; \ orl $-1, %eax; \
jmp L(pseudo_end); jmp L(pseudo_end);
@ -273,9 +279,11 @@ __i686.get_pc_thunk.reg: \
#define PUSHARGS_1 movl %ebx, %edx; L(SAVEBX1): PUSHARGS_0 #define PUSHARGS_1 movl %ebx, %edx; L(SAVEBX1): PUSHARGS_0
#define DOARGS_1 _DOARGS_1 (4) #define DOARGS_1 _DOARGS_1 (4)
#define POPARGS_1 POPARGS_0; movl %edx, %ebx; L(RESTBX1): #define POPARGS_1 POPARGS_0; movl %edx, %ebx; L(RESTBX1):
#define _PUSHARGS_1 pushl %ebx; L(PUSHBX1): _PUSHARGS_0 #define _PUSHARGS_1 pushl %ebx; cfi_adjust_cfa_offset (4); \
cfi_rel_offset (ebx, 0); L(PUSHBX1): _PUSHARGS_0
#define _DOARGS_1(n) movl n(%esp), %ebx; _DOARGS_0(n-4) #define _DOARGS_1(n) movl n(%esp), %ebx; _DOARGS_0(n-4)
#define _POPARGS_1 _POPARGS_0; popl %ebx; L(POPBX1): #define _POPARGS_1 _POPARGS_0; popl %ebx; cfi_adjust_cfa_offset (-4); \
cfi_restore (ebx); L(POPBX1):
#define PUSHARGS_2 PUSHARGS_1 #define PUSHARGS_2 PUSHARGS_1
#define DOARGS_2 _DOARGS_2 (8) #define DOARGS_2 _DOARGS_2 (8)
@ -294,23 +302,29 @@ __i686.get_pc_thunk.reg: \
#define PUSHARGS_4 _PUSHARGS_4 #define PUSHARGS_4 _PUSHARGS_4
#define DOARGS_4 _DOARGS_4 (24) #define DOARGS_4 _DOARGS_4 (24)
#define POPARGS_4 _POPARGS_4 #define POPARGS_4 _POPARGS_4
#define _PUSHARGS_4 pushl %esi; L(PUSHSI1): _PUSHARGS_3 #define _PUSHARGS_4 pushl %esi; cfi_adjust_cfa_offset (4); \
cfi_rel_offset (esi, 0); L(PUSHSI1): _PUSHARGS_3
#define _DOARGS_4(n) movl n(%esp), %esi; _DOARGS_3 (n-4) #define _DOARGS_4(n) movl n(%esp), %esi; _DOARGS_3 (n-4)
#define _POPARGS_4 _POPARGS_3; popl %esi; L(POPSI1): #define _POPARGS_4 _POPARGS_3; popl %esi; cfi_adjust_cfa_offset (-4); \
cfi_restore (esi); L(POPSI1):
#define PUSHARGS_5 _PUSHARGS_5 #define PUSHARGS_5 _PUSHARGS_5
#define DOARGS_5 _DOARGS_5 (32) #define DOARGS_5 _DOARGS_5 (32)
#define POPARGS_5 _POPARGS_5 #define POPARGS_5 _POPARGS_5
#define _PUSHARGS_5 pushl %edi; L(PUSHDI1): _PUSHARGS_4 #define _PUSHARGS_5 pushl %edi; cfi_adjust_cfa_offset (4); \
cfi_rel_offset (edi, 0); L(PUSHDI1): _PUSHARGS_4
#define _DOARGS_5(n) movl n(%esp), %edi; _DOARGS_4 (n-4) #define _DOARGS_5(n) movl n(%esp), %edi; _DOARGS_4 (n-4)
#define _POPARGS_5 _POPARGS_4; popl %edi; L(POPDI1): #define _POPARGS_5 _POPARGS_4; popl %edi; cfi_adjust_cfa_offset (-4); \
cfi_restore (edi); L(POPDI1):
#define PUSHARGS_6 _PUSHARGS_6 #define PUSHARGS_6 _PUSHARGS_6
#define DOARGS_6 _DOARGS_6 (36) #define DOARGS_6 _DOARGS_6 (36)
#define POPARGS_6 _POPARGS_6 #define POPARGS_6 _POPARGS_6
#define _PUSHARGS_6 pushl %ebp; L(PUSHBP1): _PUSHARGS_5 #define _PUSHARGS_6 pushl %ebp; cfi_adjust_cfa_offset (4); \
cfi_rel_offset (ebp, 0); L(PUSHBP1): _PUSHARGS_5
#define _DOARGS_6(n) movl n(%esp), %ebp; _DOARGS_5 (n-4) #define _DOARGS_6(n) movl n(%esp), %ebp; _DOARGS_5 (n-4)
#define _POPARGS_6 _POPARGS_5; popl %ebp; L(POPBP1): #define _POPARGS_6 _POPARGS_5; popl %ebp; cfi_adjust_cfa_offset (-4); \
cfi_restore (ebp); L(POPBP1):
#else /* !__ASSEMBLER__ */ #else /* !__ASSEMBLER__ */