From d063d164335938d557460bebaa7cfe388157b627 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sat, 10 Sep 2011 16:50:28 -0400 Subject: Remove support for !USE___THREAD --- sysdeps/unix/sysv/linux/i386/sysdep.h | 50 ++++------------- sysdeps/unix/sysv/linux/ia64/sysdep.S | 36 +----------- sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S | 76 +++----------------------- sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h | 37 +++++-------- sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S | 61 +++------------------ sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h | 25 ++++----- sysdeps/unix/sysv/linux/sh/sysdep.h | 60 ++++---------------- sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h | 31 +++-------- sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h | 31 +++-------- sysdeps/unix/sysv/linux/x86_64/sysdep.h | 30 +--------- 10 files changed, 83 insertions(+), 354 deletions(-) (limited to 'sysdeps/unix/sysv') diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h index 77e6bad105..64ef4008bc 100644 --- a/sysdeps/unix/sysv/linux/i386/sysdep.h +++ b/sysdeps/unix/sysv/linux/i386/sysdep.h @@ -1,5 +1,5 @@ -/* Copyright (C) 1992,1993,1995-2000,2002-2006,2007 - Free Software Foundation, Inc. +/* Copyright (C) 1992,1993,1995-2000,2002-2006,2007,2011 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper, , August 1995. @@ -121,13 +121,12 @@ # elif defined _LIBC_REENTRANT -# if USE___THREAD -# ifndef NOT_IN_libc -# define SYSCALL_ERROR_ERRNO __libc_errno -# else -# define SYSCALL_ERROR_ERRNO errno -# endif -# define SYSCALL_ERROR_HANDLER \ +# ifndef NOT_IN_libc +# define SYSCALL_ERROR_ERRNO __libc_errno +# else +# define SYSCALL_ERROR_ERRNO errno +# endif +# define SYSCALL_ERROR_HANDLER \ 0:SETUP_PIC_REG (cx); \ addl $_GLOBAL_OFFSET_TABLE_, %ecx; \ movl SYSCALL_ERROR_ERRNO@GOTNTPOFF(%ecx), %ecx; \ @@ -136,38 +135,13 @@ SYSCALL_ERROR_HANDLER_TLS_STORE (%edx, %ecx); \ orl $-1, %eax; \ jmp L(pseudo_end); -# ifndef NO_TLS_DIRECT_SEG_REFS -# define SYSCALL_ERROR_HANDLER_TLS_STORE(src, destoff) \ +# ifndef NO_TLS_DIRECT_SEG_REFS +# define SYSCALL_ERROR_HANDLER_TLS_STORE(src, destoff) \ movl src, %gs:(destoff) -# else -# define SYSCALL_ERROR_HANDLER_TLS_STORE(src, destoff) \ +# else +# define SYSCALL_ERROR_HANDLER_TLS_STORE(src, destoff) \ addl %gs:0, destoff; \ movl src, (destoff) -# endif -# else -# define SYSCALL_ERROR_HANDLER \ -0:pushl %ebx; \ - cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (ebx, 0); \ - SETUP_PIC_REG (bx); \ - addl $_GLOBAL_OFFSET_TABLE_, %ebx; \ - xorl %edx, %edx; \ - subl %eax, %edx; \ - pushl %edx; \ - cfi_adjust_cfa_offset (4); \ - PUSH_ERRNO_LOCATION_RETURN; \ - call BP_SYM (__errno_location)@PLT; \ - POP_ERRNO_LOCATION_RETURN; \ - popl %ecx; \ - cfi_adjust_cfa_offset (-4); \ - popl %ebx; \ - cfi_adjust_cfa_offset (-4); \ - cfi_restore (ebx); \ - movl %ecx, (%eax); \ - orl $-1, %eax; \ - jmp L(pseudo_end); -/* A quick note: it is assumed that the call to `__errno_location' does - not modify the stack! */ # endif # else /* Store (- %eax) into errno through the GOT. */ diff --git a/sysdeps/unix/sysv/linux/ia64/sysdep.S b/sysdeps/unix/sysv/linux/ia64/sysdep.S index 3633dd4b78..3271857d61 100644 --- a/sysdeps/unix/sysv/linux/ia64/sysdep.S +++ b/sysdeps/unix/sysv/linux/ia64/sysdep.S @@ -1,4 +1,4 @@ -/* Copyright (C) 1999, 2000, 2001, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1999-2001, 2003, 2004, 2011 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by David Mosberger-Tang . @@ -34,7 +34,7 @@ ENTRY(__syscall_error) ;; st4 [r2]=r8 mov r8=-1 -#elif USE___THREAD +#else # ifndef NOT_IN_libc # define SYSCALL_ERROR_ERRNO __libc_errno # else @@ -46,37 +46,7 @@ ENTRY(__syscall_error) mov r8=-1 add r2=r2,r13;; st4 [r2]=r3 -#elif defined _LIBC_REENTRANT - .prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(0) - alloc r33=ar.pfs, 0, 4, 0, 0 - mov r32=rp - .body - mov r35=r8 - mov r34=r1 - ;; - br.call.sptk.many b0 = __errno_location -.Lret0: /* force new bundle */ - st4 [r8]=r35 - mov r1=r34 - mov rp=r32 - mov r8=-1 - mov ar.pfs=r33 -#else /* _LIBC_REENTRANT */ - /* - * Note that the gp has to be set properly for this to work. - * As long as all syscalls are in the same load unit - * (executable or shared library) as this routine, we should - * be fine. Otherwise, we would have to first load the global - * pointer register from __gp. - */ - addl r2=@ltoff(errno),gp - ;; - ld8 r2=[r2] - mov r3=r8 - mov r8=-1 - ;; - st4 [r2]=r3 -#endif /* _LIBC_REENTRANT */ +#endif ret // ret is #define'd in syscall.h! END(__syscall_error) diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S index 2a1dad0695..5a24fdc2e7 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S +++ b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2001, 2002, 2003, 2004, 2011 Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -32,12 +32,11 @@ .text ENTRY(__syscall_error) #ifndef PIC -# if USE___THREAD -# ifndef NOT_IN_libc -# define SYSCALL_ERROR_ERRNO __libc_errno -# else -# define SYSCALL_ERROR_ERRNO errno -# endif +# ifndef NOT_IN_libc +# define SYSCALL_ERROR_ERRNO __libc_errno +# else +# define SYSCALL_ERROR_ERRNO errno +# endif basr %r1,0 0: l %r1,1f-0b(%r1) ear %r3,%a0 @@ -46,34 +45,6 @@ ENTRY(__syscall_error) lhi %r2,-1 br %r14 1: .long SYSCALL_ERROR_ERRNO@ntpoff -# elif !defined _LIBC_REENTRANT - basr %r1,0 -0: l %r1,1f-0b(%r1) - lcr %r2,%r2 - st %r2,0(%r1) - lhi %r2,-1 - br %r14 -1: .long errno -# else - stm %r13,%r15,52(%r15) - cfi_offset (%r15, -36) - cfi_offset (%r14, -40) - cfi_offset (%r13, -44) - lr %r0,%r15 - ahi %r15,-96 - cfi_adjust_cfa_offset (96) - lcr %r13,%r2 - st %r0,0(%r15) - basr %r1,0 -0: l %r1,1f-0b(%r1) - basr %r14,%r1 - st %r13,0(%r2) - lm %r13,%r15,148(%r15) - cfi_adjust_cfa_offset (-96) - lhi %r2,-1 - br %r14 -1: .long __errno_location -#endif #else # if RTLD_PRIVATE_ERRNO basr %r1,0 @@ -83,7 +54,7 @@ ENTRY(__syscall_error) lhi %r2,-1 br %r14 1: .long rtld_errno - 0b -# elif USE___THREAD +# else # ifndef NOT_IN_libc # define SYSCALL_ERROR_ERRNO __libc_errno # else @@ -98,39 +69,6 @@ ENTRY(__syscall_error) lhi %r2,-1 br %r14 1: .long _GLOBAL_OFFSET_TABLE_-0b -# elif !defined _LIBC_REENTRANT - basr %r1,0 -0: al %r1,1f-0b(%r1) - l %r1,errno@GOT(%r1) - lcr %r2,%r2 - st %r2,0(0,%r1) - lhi %r2,-1 - br %r14 -1: .long _GLOBAL_OFFSET_TABLE_-0b -# else - stm %r11,%r15,44(%r15) - cfi_offset (%r15, -36) - cfi_offset (%r14, -40) - cfi_offset (%r13, -44) - cfi_offset (%r12, -48) - cfi_offset (%r11, -52) - lr %r0,%r15 - ahi %r15,-96 - cfi_adjust_cfa_offset (96) - lcr %r11,%r2 - st %r0,0(%r15) - basr %r13,0 -0: l %r12,1f-0b(%r13) - l %r1,2f-0b(%r13) - la %r12,0(%r12,%r13) - bas %r14,0(%r1,%r13) - st %r11,0(%r2) - lm %r11,%r15,140(%r15) - cfi_adjust_cfa_offset (-96) - lhi %r2,-1 - br %r14 -1: .long _GLOBAL_OFFSET_TABLE_-0b -2: .long __errno_location@PLT-0b # endif #endif diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h index 13ce9ab748..435eaabb17 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h +++ b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2008 +/* Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2008, 2011 Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -56,10 +56,10 @@ #undef PSEUDO #define PSEUDO(name, syscall_name, args) \ .text; \ - ENTRY (name) \ + ENTRY (name) \ DO_CALL (syscall_name, args); \ lhi %r4,-4095 ; \ - clr %r2,%r4 ; \ + clr %r2,%r4 ; \ jnl SYSCALL_ERROR_LABEL #undef PSEUDO_END @@ -70,7 +70,7 @@ #undef PSEUDO_NOERRNO #define PSEUDO_NOERRNO(name, syscall_name, args) \ .text; \ - ENTRY (name) \ + ENTRY (name) \ DO_CALL (syscall_name, args) #undef PSEUDO_END_NOERRNO @@ -80,7 +80,7 @@ #undef PSEUDO_ERRVAL #define PSEUDO_ERRVAL(name, syscall_name, args) \ .text; \ - ENTRY (name) \ + ENTRY (name) \ DO_CALL (syscall_name, args); \ lcr %r2,%r2 @@ -107,14 +107,13 @@ br %r14; \ 2: .long rtld_errno-1b # elif defined _LIBC_REENTRANT -# if USE___THREAD -# ifndef NOT_IN_libc -# define SYSCALL_ERROR_ERRNO __libc_errno -# else -# define SYSCALL_ERROR_ERRNO errno -# endif -# define SYSCALL_ERROR_LABEL 0f -# define SYSCALL_ERROR_HANDLER \ +# ifndef NOT_IN_libc +# define SYSCALL_ERROR_ERRNO __libc_errno +# else +# define SYSCALL_ERROR_ERRNO errno +# endif +# define SYSCALL_ERROR_LABEL 0f +# define SYSCALL_ERROR_HANDLER \ 0: lcr %r0,%r2; \ basr %r1,0; \ 1: al %r1,2f-1b(%r1); \ @@ -124,14 +123,6 @@ lhi %r2,-1; \ br %r14; \ 2: .long _GLOBAL_OFFSET_TABLE_-1b -# else -# define SYSCALL_ERROR_LABEL 0f -# define SYSCALL_ERROR_HANDLER \ -0: basr %r1,0; \ -1: al %r1,2f-1b(%r1); \ - br %r1; \ -2: .long syscall_error@plt-1b -# endif # else # define SYSCALL_ERROR_LABEL 0f # define SYSCALL_ERROR_HANDLER \ @@ -317,8 +308,8 @@ if (INTERNAL_SYSCALL_ERROR_P (_ret, )) \ { \ iserr: \ - __set_errno (INTERNAL_SYSCALL_ERRNO (_ret, )); \ - _ret = -1L; \ + __set_errno (INTERNAL_SYSCALL_ERRNO (_ret, )); \ + _ret = -1L; \ } \ out: \ (int) _ret; \ diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S index bb61e894f1..41d8143896 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S +++ b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2001, 2002, 2003, 2004, 2011 Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -33,12 +33,11 @@ .text ENTRY(__syscall_error) #ifndef PIC -# if USE___THREAD -# ifndef NOT_IN_libc -# define SYSCALL_ERROR_ERRNO __libc_errno -# else -# define SYSCALL_ERROR_ERRNO errno -# endif +# ifndef NOT_IN_libc +# define SYSCALL_ERROR_ERRNO __libc_errno +# else +# define SYSCALL_ERROR_ERRNO errno +# endif basr %r1,0 0: lg %r1,1f-0b(%r1) ear %r3,%a0 @@ -49,29 +48,6 @@ ENTRY(__syscall_error) lghi %r2,-1 br %r14 1: .quad SYSCALL_ERROR_ERRNO@ntpoff -# elif !defined _LIBC_REENTRANT - larl %r1,errno - lcr %r2,%r2 - st %r2,0(%r1) - lghi %r2,-1 - br %r14 -# else - stmg %r13,%r15,104(%r15) - cfi_offset (%r15,-40) - cfi_offset (%r14,-48) - cfi_offset (%r13,-56) - lgr %r0,%r15 - aghi %r15,-160 - cfi_adjust_cfa_offset (160) - lcr %r13,%r2 - stg %r0,0(%r15) - brasl %r14,__errno_location - st %r13,0(%r2) - lmg %r13,%r15,264(%r15) - cfi_adjust_cfa_offset (-160) - lghi %r2,-1 - br %r14 -#endif #else # if RTLD_PRIVATE_ERRNO larl %r1,rtld_errno @@ -79,7 +55,7 @@ ENTRY(__syscall_error) st %r2,0(%r1) lghi %r2,-1 br %r14 -# elif USE___THREAD +# else # ifndef NOT_IN_libc # define SYSCALL_ERROR_ERRNO __libc_errno # else @@ -94,29 +70,6 @@ ENTRY(__syscall_error) st %r2,0(%r1,%r3) lghi %r2,-1 br %r14 -# elif !defined _LIBC_REENTRANT - larl %r1,_GLOBAL_OFFSET_TABLE_ - lg %r1,errno@GOT(%r1) - lcr %r2,%r2 - st %r2,0(%r1) - lghi %r2,-1 - br %r14 -# else - stmg %r13,%r15,104(%r15) - cfi_offset (%r15,-40) - cfi_offset (%r14,-48) - cfi_offset (%r13,-56) - lgr %r0,%r15 - aghi %r15,-160 - cfi_adjust_cfa_offset (160) - lcr %r13,%r2 - stg %r0,0(%r15) - brasl %r14,__errno_location@PLT - st %r13,0(%r2) - lmg %r13,%r15,264(%r15) - cfi_adjust_cfa_offset (-160) - lghi %r2,-1 - br %r14 # endif #endif diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h index 4d45417639..598fb86529 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h +++ b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h @@ -1,5 +1,5 @@ /* Assembler macros for 64 bit S/390. - Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2008 + Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2008, 2011 Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -115,14 +115,13 @@ lghi %r2,-1; \ br %r14 # elif defined _LIBC_REENTRANT -# if USE___THREAD -# ifndef NOT_IN_libc -# define SYSCALL_ERROR_ERRNO __libc_errno -# else -# define SYSCALL_ERROR_ERRNO errno -# endif -# define SYSCALL_ERROR_LABEL 0f -# define SYSCALL_ERROR_HANDLER \ +# ifndef NOT_IN_libc +# define SYSCALL_ERROR_ERRNO __libc_errno +# else +# define SYSCALL_ERROR_ERRNO errno +# endif +# define SYSCALL_ERROR_LABEL 0f +# define SYSCALL_ERROR_HANDLER \ 0: lcr %r0,%r2; \ larl %r1,SYSCALL_ERROR_ERRNO@indntpoff; \ lg %r1,0(%r1); \ @@ -132,10 +131,6 @@ st %r0,0(%r1,%r2); \ lghi %r2,-1; \ br %r14 -# else -# define SYSCALL_ERROR_LABEL syscall_error@plt -# define SYSCALL_ERROR_HANDLER -# endif # else # define SYSCALL_ERROR_LABEL 0f # define SYSCALL_ERROR_HANDLER \ @@ -319,8 +314,8 @@ if (INTERNAL_SYSCALL_ERROR_P (_ret, )) \ { \ iserr: \ - __set_errno (INTERNAL_SYSCALL_ERRNO (_ret, )); \ - _ret = -1L; \ + __set_errno (INTERNAL_SYSCALL_ERRNO (_ret, )); \ + _ret = -1L; \ } \ out: \ (int) _ret; \ diff --git a/sysdeps/unix/sysv/linux/sh/sysdep.h b/sysdeps/unix/sysv/linux/sh/sysdep.h index 0fc2c4f1ee..4ba0def0ed 100644 --- a/sysdeps/unix/sysv/linux/sh/sysdep.h +++ b/sysdeps/unix/sysv/linux/sh/sysdep.h @@ -1,5 +1,5 @@ -/* Copyright (C) 1992,1993,1995,1996,1997,1998,1999,2000,2002,2003,2004, - 2005,2006,2009 Free Software Foundation, Inc. +/* Copyright (C) 1992,1993,1995-2000,2002-2006,2009,2011 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper, , August 1995. Changed by Kaz Kojima, . @@ -114,13 +114,12 @@ # elif defined _LIBC_REENTRANT -# if USE___THREAD -# ifndef NOT_IN_libc -# define SYSCALL_ERROR_ERRNO __libc_errno -# else -# define SYSCALL_ERROR_ERRNO errno -# endif -# define SYSCALL_ERROR_HANDLER \ +# ifndef NOT_IN_libc +# define SYSCALL_ERROR_ERRNO __libc_errno +# else +# define SYSCALL_ERROR_ERRNO errno +# endif +# define SYSCALL_ERROR_HANDLER \ neg r0,r1; \ mov r12,r2; \ mov.l 0f,r12; \ @@ -137,43 +136,6 @@ .align 2; \ 0: .long _GLOBAL_OFFSET_TABLE_; \ 1: .long SYSCALL_ERROR_ERRNO@GOTTPOFF -# else -# define SYSCALL_ERROR_HANDLER \ - neg r0,r1; \ - mov.l r14,@-r15; \ - cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (r14, 0); \ - mov.l r12,@-r15; \ - cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (r12, 0); \ - mov.l r1,@-r15; \ - cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (r1, 0); \ - mov.l 0f,r12; \ - mova 0f,r0; \ - add r0,r12; \ - sts.l pr,@-r15; \ - cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (pr, 0); \ - mov r15,r14; \ - cfi_def_cfa_register (r14); \ - mov.l 1f,r1; \ - bsrf r1; \ - nop; \ - 2: mov r14,r15; \ - lds.l @r15+,pr; \ - mov.l @r15+,r1; \ - mov.l r1,@r0; \ - mov.l @r15+,r12; \ - mov.l @r15+,r14; \ - bra .Lpseudo_end; \ - mov _IMM1,r0; \ - .align 2; \ - 0: .long _GLOBAL_OFFSET_TABLE_; \ - 1: .long PLTJMP(C_SYMBOL_NAME(__errno_location))-(2b-.) -/* A quick note: it is assumed that the call to `__errno_location' does - not modify the stack! */ -# endif # else /* Store (-r0) into errno through the GOT. */ # define SYSCALL_ERROR_HANDLER \ @@ -324,8 +286,8 @@ unsigned int resultvar = INTERNAL_SYSCALL (name, , nr, args); \ if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (resultvar, ), 0)) \ { \ - __set_errno (INTERNAL_SYSCALL_ERRNO (resultvar, )); \ - resultvar = 0xffffffff; \ + __set_errno (INTERNAL_SYSCALL_ERRNO (resultvar, )); \ + resultvar = 0xffffffff; \ } \ (int) resultvar; }) @@ -347,7 +309,7 @@ #define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \ ({ \ unsigned long int resultvar; \ - register long int r3 asm ("%r3") = (name); \ + register long int r3 asm ("%r3") = (name); \ SUBSTITUTE_ARGS_##nr(args); \ \ asm volatile (SYSCALL_INST_STR##nr SYSCALL_INST_PAD \ diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h index 8af045dc2b..161f431078 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 2002, 2003, 2004, 2006, 2008 +/* Copyright (C) 1997, 2002, 2003, 2004, 2006, 2008, 2011 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Miguel de Icaza , January 1997. @@ -99,32 +99,19 @@ ENTRY(name); \ mov -1, %o0; # elif defined _LIBC_REENTRANT -# if USE___THREAD -# ifndef NOT_IN_libc -# define SYSCALL_ERROR_ERRNO __libc_errno -# else -# define SYSCALL_ERROR_ERRNO errno -# endif -# define SYSCALL_ERROR_HANDLER \ +# ifndef NOT_IN_libc +# define SYSCALL_ERROR_ERRNO __libc_errno +# else +# define SYSCALL_ERROR_ERRNO errno +# endif +# define SYSCALL_ERROR_HANDLER \ 0: SETUP_PIC_REG(o2,g1) \ sethi %tie_hi22(SYSCALL_ERROR_ERRNO), %g1; \ add %g1, %tie_lo10(SYSCALL_ERROR_ERRNO), %g1; \ ld [%o2 + %g1], %g1, %tie_ld(SYSCALL_ERROR_ERRNO); \ - st %o0, [%g7 + %g1]; \ - jmp %o7 + 8; \ + st %o0, [%g7 + %g1]; \ + jmp %o7 + 8; \ mov -1, %o0; -# else -# define SYSCALL_ERROR_HANDLER \ -0: save %sp, -96, %sp; \ - cfi_def_cfa_register(%fp); \ - cfi_window_save; \ - cfi_register (%o7, %i7); \ - call __errno_location; \ - nop; \ - st %i0, [%o0]; \ - jmp %i7 + 8; \ - restore %g0, -1, %o0; -# endif # else # define SYSCALL_ERROR_HANDLER \ 0: SETUP_PIC_REG(o2,g1) \ diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h index bdd1d45bd7..bc8a0b0e3a 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 2000, 2002, 2003, 2004, 2006, 2008 +/* Copyright (C) 1997, 2000, 2002, 2003, 2004, 2006, 2008, 2011 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson , 1997. @@ -106,32 +106,19 @@ ENTRY(name); \ mov -1, %o0; # elif defined _LIBC_REENTRANT -# if USE___THREAD -# ifndef NOT_IN_libc -# define SYSCALL_ERROR_ERRNO __libc_errno -# else -# define SYSCALL_ERROR_ERRNO errno -# endif -# define SYSCALL_ERROR_HANDLER \ +# ifndef NOT_IN_libc +# define SYSCALL_ERROR_ERRNO __libc_errno +# else +# define SYSCALL_ERROR_ERRNO errno +# endif +# define SYSCALL_ERROR_HANDLER \ 0: SETUP_PIC_REG(o2,g1) \ sethi %tie_hi22(SYSCALL_ERROR_ERRNO), %g1; \ add %g1, %tie_lo10(SYSCALL_ERROR_ERRNO), %g1; \ ldx [%o2 + %g1], %g1, %tie_ldx(SYSCALL_ERROR_ERRNO);\ - st %o0, [%g7 + %g1]; \ - jmp %o7 + 8; \ + st %o0, [%g7 + %g1]; \ + jmp %o7 + 8; \ mov -1, %o0; -# else -# define SYSCALL_ERROR_HANDLER \ -0: save %sp, -176, %sp; \ - cfi_def_cfa_register(%fp); \ - cfi_window_save; \ - cfi_register (%o7, %i7); \ - call __errno_location; \ - nop; \ - st %i0, [%o0]; \ - jmp %i7 + 8; \ - restore %g0, -1, %o0; -# endif # else # define SYSCALL_ERROR_HANDLER \ 0: SETUP_PIC_REG(o2,g1) \ diff --git a/sysdeps/unix/sysv/linux/x86_64/sysdep.h b/sysdeps/unix/sysv/linux/x86_64/sysdep.h index a9821dc0a8..64362300ae 100644 --- a/sysdeps/unix/sysv/linux/x86_64/sysdep.h +++ b/sysdeps/unix/sysv/linux/x86_64/sysdep.h @@ -124,7 +124,7 @@ movl %edx, (%rcx); \ orq $-1, %rax; \ jmp L(pseudo_end); -# elif USE___THREAD +# else # ifndef NOT_IN_libc # define SYSCALL_ERROR_ERRNO __libc_errno # else @@ -138,34 +138,6 @@ movl %edx, %fs:(%rcx); \ orq $-1, %rax; \ jmp L(pseudo_end); -# elif defined _LIBC_REENTRANT -/* Store (- %rax) into errno through the GOT. - Note that errno occupies only 4 bytes. */ -# define SYSCALL_ERROR_HANDLER \ -0: \ - xorl %edx, %edx; \ - subq %rax, %rdx; \ - pushq %rdx; \ - cfi_adjust_cfa_offset(8); \ - PUSH_ERRNO_LOCATION_RETURN; \ - call BP_SYM (__errno_location)@PLT; \ - POP_ERRNO_LOCATION_RETURN; \ - popq %rdx; \ - cfi_adjust_cfa_offset(-8); \ - movl %edx, (%rax); \ - orq $-1, %rax; \ - jmp L(pseudo_end); - -/* A quick note: it is assumed that the call to `__errno_location' does - not modify the stack! */ -# else /* Not _LIBC_REENTRANT. */ -# define SYSCALL_ERROR_HANDLER \ -0:movq errno@GOTPCREL(%RIP), %rcx; \ - xorl %edx, %edx; \ - subq %rax, %rdx; \ - movl %edx, (%rcx); \ - orq $-1, %rax; \ - jmp L(pseudo_end); # endif /* PIC */ /* The Linux/x86-64 kernel expects the system call parameters in -- cgit 1.4.1