diff options
Diffstat (limited to 'sysdeps/unix')
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/clone.S | 6 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/i686/sysdep.h | 19 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/mmap.S | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/s_pread64.S | 8 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/s_pwrite64.S | 8 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/socket.S | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/syscall.S | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/sysdep.h | 35 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/sigset-cvt-mask.h | 35 | ||||
-rw-r--r-- | sysdeps/unix/sysv/sysv4/sigset-cvt-mask.h | 33 |
10 files changed, 108 insertions, 42 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/clone.S b/sysdeps/unix/sysv/linux/i386/clone.S index 88d0e27549..d654d98c7a 100644 --- a/sysdeps/unix/sysv/linux/i386/clone.S +++ b/sysdeps/unix/sysv/linux/i386/clone.S @@ -33,10 +33,10 @@ ENTRY(__clone) movl $-EINVAL,%eax movl 4(%esp),%ecx /* no NULL function pointers */ testl %ecx,%ecx - jz syscall_error + jz SYSCALL_ERROR_LABEL movl 8(%esp),%ecx /* no NULL stack pointers */ testl %ecx,%ecx - jz syscall_error + jz SYSCALL_ERROR_LABEL /* Insert the argument onto the new stack. */ subl $8,%ecx @@ -56,7 +56,7 @@ ENTRY(__clone) popl %ebx test %eax,%eax - jl syscall_error + jl SYSCALL_ERROR_LABEL jz thread_start L(pseudo_end): diff --git a/sysdeps/unix/sysv/linux/i386/i686/sysdep.h b/sysdeps/unix/sysv/linux/i386/i686/sysdep.h index 001f3fc4d7..3f1391f8a4 100644 --- a/sysdeps/unix/sysv/linux/i386/i686/sysdep.h +++ b/sysdeps/unix/sysv/linux/i386/i686/sysdep.h @@ -31,12 +31,10 @@ /* Store (- %eax) into errno through the GOT. */ # ifdef _LIBC_REENTRANT # define SYSCALL_ERROR_HANDLER \ - .type syscall_error,@function; \ -0:movl (%esp),%ebx; \ +1:movl (%esp),%ebx; \ ret; \ -syscall_error: \ - pushl %ebx; \ - call 0b; \ +0:pushl %ebx; \ + call 1b; \ addl $_GLOBAL_OFFSET_TABLE_, %ebx; \ xorl %edx, %edx; \ subl %eax, %edx; \ @@ -46,25 +44,22 @@ syscall_error: \ popl %ebx; \ movl %ecx, (%eax); \ movl $-1, %eax; \ - jmp L(pseudo_end); \ - .size syscall_error,.-syscall_error; + jmp L(pseudo_end); /* A quick note: it is assumed that the call to `__errno_location' does not modify the stack! */ # else # define SYSCALL_ERROR_HANDLER \ .type syscall_error,@function; \ -0:movl (%esp),%ecx; \ +1:movl (%esp),%ecx; \ ret; \ -syscall_error: \ - call 0b; \ +0:call 1b; \ addl $_GLOBAL_OFFSET_TABLE_, %ecx; \ xorl %edx, %edx; \ subl %eax, %edx; \ movl errno@GOT(%ecx), %ecx; \ movl %edx, (%ecx); \ movl $-1, %eax; \ - jmp L(pseudo_end); \ - .size syscall_error,.-syscall_error; + jmp L(pseudo_end); # endif /* _LIBC_REENTRANT */ #endif /* PIC */ diff --git a/sysdeps/unix/sysv/linux/i386/mmap.S b/sysdeps/unix/sysv/linux/i386/mmap.S index 5c2449e961..e0dde22a9f 100644 --- a/sysdeps/unix/sysv/linux/i386/mmap.S +++ b/sysdeps/unix/sysv/linux/i386/mmap.S @@ -37,7 +37,7 @@ ENTRY (__mmap) /* If 0 > %eax > -4096 there was an error. */ cmpl $-4096, %eax - ja syscall_error + ja SYSCALL_ERROR_LABEL /* Successful; return the syscall's value. */ L(pseudo_end): diff --git a/sysdeps/unix/sysv/linux/i386/s_pread64.S b/sysdeps/unix/sysv/linux/i386/s_pread64.S index 23d7d14ba5..7817cf7980 100644 --- a/sysdeps/unix/sysv/linux/i386/s_pread64.S +++ b/sysdeps/unix/sysv/linux/i386/s_pread64.S @@ -44,10 +44,10 @@ ENTRY (__syscall_pread64) movl 0x10(%esp,1),%ebx /* Load syscall number into %eax. */ movl $SYS_ify(pread), %eax - int $0x80 /* Do the system call. */ - POPARGS_5 /* Restore register contents. */ - cmpl $-4095, %eax /* Check %eax for error. */ - jae syscall_error /* Jump to error handler if error. */ + int $0x80 /* Do the system call. */ + POPARGS_5 /* Restore register contents. */ + cmpl $-4095, %eax /* Check %eax for error. */ + jae SYSCALL_ERROR_LABEL /* Jump to error handler if error. */ #endif L(pseudo_end): ret /* Return to caller. */ diff --git a/sysdeps/unix/sysv/linux/i386/s_pwrite64.S b/sysdeps/unix/sysv/linux/i386/s_pwrite64.S index 7b72d12f0b..89449b6fb5 100644 --- a/sysdeps/unix/sysv/linux/i386/s_pwrite64.S +++ b/sysdeps/unix/sysv/linux/i386/s_pwrite64.S @@ -44,10 +44,10 @@ ENTRY (__syscall_pwrite64) movl 0x10(%esp,1),%ebx /* Load syscall number into %eax. */ movl $SYS_ify(pwrite), %eax - int $0x80 /* Do the system call. */ - POPARGS_5 /* Restore register contents. */ - cmpl $-4095, %eax /* Check %eax for error. */ - jae syscall_error /* Jump to error handler if error. */ + int $0x80 /* Do the system call. */ + POPARGS_5 /* Restore register contents. */ + cmpl $-4095, %eax /* Check %eax for error. */ + jae SYSCALL_ERROR_LABEL /* Jump to error handler if error. */ #endif L(pseudo_end): ret /* Return to caller. */ diff --git a/sysdeps/unix/sysv/linux/i386/socket.S b/sysdeps/unix/sysv/linux/i386/socket.S index 4326676bc2..245d37a17f 100644 --- a/sysdeps/unix/sysv/linux/i386/socket.S +++ b/sysdeps/unix/sysv/linux/i386/socket.S @@ -55,7 +55,7 @@ ENTRY (__socket) /* %eax is < 0 if there was an error. */ cmpl $-125, %eax - jae syscall_error + jae SYSCALL_ERROR_LABEL /* Successful; return the syscall's value. */ L(pseudo_end): diff --git a/sysdeps/unix/sysv/linux/i386/syscall.S b/sysdeps/unix/sysv/linux/i386/syscall.S index 349408de30..48328c2a0e 100644 --- a/sysdeps/unix/sysv/linux/i386/syscall.S +++ b/sysdeps/unix/sysv/linux/i386/syscall.S @@ -30,7 +30,7 @@ ENTRY (syscall) int $0x80 /* Do the system call. */ POPARGS_5 /* Restore register contents. */ cmpl $-4095, %eax /* Check %eax for error. */ - jae syscall_error /* Jump to error handler if error. */ + jae SYSCALL_ERROR_LABEL /* Jump to error handler if error. */ L(pseudo_end): ret /* Return to caller. */ diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h index 5231d3e9a1..8c046efed7 100644 --- a/sysdeps/unix/sysv/linux/i386/sysdep.h +++ b/sysdeps/unix/sysv/linux/i386/sysdep.h @@ -46,13 +46,22 @@ is a real error number. Linus said he will make sure the no syscall returns a value in -1 .. -4095 as a valid result so we can savely test with -4095. */ + +/* We don't want the label for the error handle to be global when we define + it here. */ +#ifdef PIC +# define SYSCALL_ERROR_LABEL 0f +#else +# define SYSCALL_ERROR_LABEL syscall_error +#endif + #undef PSEUDO #define PSEUDO(name, syscall_name, args) \ .text; \ ENTRY (name) \ DO_CALL (args, syscall_name); \ cmpl $-4095, %eax; \ - jae syscall_error; \ + jae SYSCALL_ERROR_LABEL; \ L(pseudo_end): #undef PSEUDO_END @@ -66,13 +75,11 @@ /* Store (- %eax) into errno through the GOT. */ #ifdef _LIBC_REENTRANT #define SYSCALL_ERROR_HANDLER \ - .type syscall_error,@function; \ -syscall_error: \ - pushl %ebx; \ - call 0f; \ -0:popl %ebx; \ +0:pushl %ebx; \ + call 1f; \ +1:popl %ebx; \ xorl %edx, %edx; \ - addl $_GLOBAL_OFFSET_TABLE_+[.-0b], %ebx; \ + addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx; \ subl %eax, %edx; \ pushl %edx; \ call __errno_location@PLT; \ @@ -80,24 +87,20 @@ syscall_error: \ popl %ebx; \ movl %ecx, (%eax); \ movl $-1, %eax; \ - jmp L(pseudo_end); \ - .size syscall_error,.-syscall_error; + jmp L(pseudo_end); /* A quick note: it is assumed that the call to `__errno_location' does not modify the stack! */ #else #define SYSCALL_ERROR_HANDLER \ - .type syscall_error,@function; \ -syscall_error: \ - call 0f; \ -0:popl %ecx; \ +0:call 1f; \ +1:popl %ecx; \ xorl %edx, %edx; \ - addl $_GLOBAL_OFFSET_TABLE_+[.-0b], %ecx; \ + addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx; \ subl %eax, %edx; \ movl errno@GOT(%ecx), %ecx; \ movl %edx, (%ecx); \ movl $-1, %eax; \ - jmp L(pseudo_end); \ - .size syscall_error,.-syscall_error; + jmp L(pseudo_end); #endif /* _LIBC_REENTRANT */ #endif /* PIC */ diff --git a/sysdeps/unix/sysv/linux/sigset-cvt-mask.h b/sysdeps/unix/sysv/linux/sigset-cvt-mask.h new file mode 100644 index 0000000000..aefb805394 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sigset-cvt-mask.h @@ -0,0 +1,35 @@ +/* Convert between lowlevel sigmask and libc representation of sigset_t. + Linux version. + Copyright (C) 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Joe Keane <jgk@jgk.org>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#define sigset_set_old_mask(set, mask) \ + do { \ + unsigned long int *__ptr; \ + int __cnt; \ + __ptr = &(set)->__val[0]; \ + *__ptr++ = (unsigned long int) (mask); \ + __cnt = _SIGSET_NWORDS - 2; \ + do \ + *__ptr++ = 0ul; \ + while (--__cnt >= 0); \ + } while (0) + +#define sigset_get_old_mask(set, mask) \ + ((mask) = (unsigned int) (set)->__val[0]) diff --git a/sysdeps/unix/sysv/sysv4/sigset-cvt-mask.h b/sysdeps/unix/sysv/sysv4/sigset-cvt-mask.h new file mode 100644 index 0000000000..4daab22bc5 --- /dev/null +++ b/sysdeps/unix/sysv/sysv4/sigset-cvt-mask.h @@ -0,0 +1,33 @@ +/* Convert between lowlevel sigmask and libc representation of sigset_t. + SysVr4 version. + Copyright (C) 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Joe Keane <jgk@jgk.org>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#define sigset_set_old_mask(set, mask) \ + do { \ + unsigned long int *__ptr; \ + __ptr = &(set)->__sigbits[0]; \ + __ptr[0] = (mask); \ + __ptr[1] = 0ul; \ + __ptr[2] = 0ul; \ + __ptr[3] = 0ul; \ + } while (0) + +#define sigset_get_old_mask(set, mask) \ + ((mask) = (unsigned int) (set)->__sigbits[0]) |