Update.
2003-03-23 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/make-syscalls.sh: Recognize 'E' in first position of the parameter description to denote no error checking. Generate appropriate pseudo asm code. * sysdeps/unix/syscalls.list: Mark getgid, getpid, getuid with 'E'. * sysdeps/unix/sysv/linux/syscalls.list: Mark getegid, geteuid, getpgrp, and getppid with 'E'. * sysdeps/powerpc/powerpc32/sysdep.h: Define PSEUDO_NOERRNO, PSEUDO_END_NOERRNO, and ret_NOERRNO. * sysdeps/powerpc/powerpc64/sysdep.h: Likewise. * sysdeps/unix/sysdep.h: Likewise. * sysdeps/unix/alpha/sysdep.h: Likewise. * sysdeps/unix/sparc/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/arm/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/cris/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/hppa/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/ia64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/m68k/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/sh/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise.
This commit is contained in:
parent
f9ad605a05
commit
9eb88290df
26
ChangeLog
26
ChangeLog
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@ -1,3 +1,29 @@
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2003-03-23 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/unix/make-syscalls.sh: Recognize 'E' in first position of
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the parameter description to denote no error checking. Generate
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appropriate pseudo asm code.
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* sysdeps/unix/syscalls.list: Mark getgid, getpid, getuid with 'E'.
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* sysdeps/unix/sysv/linux/syscalls.list: Mark getegid, geteuid,
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getpgrp, and getppid with 'E'.
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* sysdeps/powerpc/powerpc32/sysdep.h: Define PSEUDO_NOERRNO,
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PSEUDO_END_NOERRNO, and ret_NOERRNO.
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* sysdeps/powerpc/powerpc64/sysdep.h: Likewise.
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* sysdeps/unix/sysdep.h: Likewise.
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* sysdeps/unix/alpha/sysdep.h: Likewise.
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* sysdeps/unix/sparc/sysdep.h: Likewise.
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* sysdeps/unix/sysv/linux/arm/sysdep.h: Likewise.
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* sysdeps/unix/sysv/linux/cris/sysdep.h: Likewise.
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* sysdeps/unix/sysv/linux/hppa/sysdep.h: Likewise.
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* sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise.
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* sysdeps/unix/sysv/linux/ia64/sysdep.h: Likewise.
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* sysdeps/unix/sysv/linux/m68k/sysdep.h: Likewise.
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* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h: Likewise.
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* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h: Likewise.
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* sysdeps/unix/sysv/linux/sh/sysdep.h: Likewise.
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* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Likewise.
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* sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise.
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2003-03-23 Roland McGrath <roland@redhat.com>
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* Makeconfig (+includes): Don't use $(last-includes).
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@ -131,6 +131,19 @@
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#define PSEUDO_END(name) \
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END (name)
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#define PSEUDO_NOERRNO(name, syscall_name, args) \
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.section ".text"; \
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ENTRY (name) \
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DO_CALL (SYS_ify (syscall_name));
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#define PSEUDO_RET_NOERRNO \
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blr
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#define ret_NOERRNO PSEUDO_RET_NOERRNO
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#undef PSEUDO_END_NOERRNO
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#define PSEUDO_END_NOERRNO(name) \
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END (name)
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/* Local labels stripped out by the linker. */
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#undef L
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#define L(x) .L##x
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@ -225,6 +225,20 @@ LT_LABELSUFFIX(name,_name_end): ; \
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#define PSEUDO_END(name) \
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END (name)
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#define PSEUDO_NOERRNO(name, syscall_name, args) \
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.section ".text"; \
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ENTRY (name) \
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DO_CALL (SYS_ify (syscall_name));
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#define PSEUDO_RET_NOERRNO \
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blr
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#define ret_NOERRNO PSEUDO_RET_NOERRNO
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#undef PSEUDO_END_NOERRNO
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#define PSEUDO_END_NOERRO(name) \
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END (name)
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/* Label in text section. */
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/* ppc64 function descriptors which requires . notation */
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#define C_TEXT(name) .##name
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END(sym)
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#endif
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#define PSEUDO_NOERRNO(name, syscall_name, args) \
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.globl name; \
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.align 4; \
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.ent name,0; \
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__LABEL(name) \
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PSEUDO_PROLOGUE; \
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PSEUDO_PREPARE_ARGS \
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lda v0, SYS_ify(syscall_name); \
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call_pal PAL_callsys;
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#undef PSEUDO_END_NOERRNO
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#define PSEUDO_END_NOERRNO(sym) END(sym)
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#define ret_NOERRNO ret
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#define r0 v0
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#define r1 a4
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/* If TLS is in use, we have a conflict between the PAL_rduniq primitive,
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as modeled within GCC, and explicit use of the R0 register. If we use
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the register via the asm, the scheduler may place the PAL_rduniq insn
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before we've copied the data from R0 into _sc_ret. If this happens
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we'll get a reload abort, since R0 is live at the same time it is
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before we've copied the data from R0 into _sc_ret. If this happens
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we'll get a reload abort, since R0 is live at the same time it is
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needed for the PAL_rduniq.
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Solve this by using the "v" constraint instead of an asm for the syscall
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@ -1,4 +1,4 @@
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/* Copyright (C) 1993, 1994, 1995, 1997 Free Software Foundation, Inc.
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/* Copyright (C) 1993, 1994, 1995, 1997, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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jmp %g1 + %lo(syscall_error); nop; \
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1:
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#define PSEUDO_NOERRNO(name, syscall_name, args) \
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.global syscall_error; \
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ENTRY (name) \
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mov SYS_ify(syscall_name), %g1; \
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ta 0
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#define ret retl; nop
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#define ret_NOERRNO retl; nop
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#define r0 %o0
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#define r1 %o1
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#define MOVE(x,y) mov x, y
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@ -14,13 +14,13 @@ fcntl - fcntl Ci:iiF __libc_fcntl __fcntl __fcntl_internal fcntl
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fstatfs - fstatfs i:ip __fstatfs fstatfs
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fsync - fsync Ci:i __libc_fsync fsync
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getdomain - getdomainname i:si getdomainname
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getgid - getgid i: __getgid getgid
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getgid - getgid Ei: __getgid getgid
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getgroups - getgroups i:ip __getgroups getgroups
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getitimer - getitimer i:ip __getitimer getitimer
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getpid - getpid i: __getpid getpid
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getpid - getpid Ei: __getpid getpid
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getpriority - getpriority i:ii getpriority
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getrlimit - getrlimit i:ip __getrlimit getrlimit
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getuid - getuid i: __getuid getuid
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getuid - getuid Ei: __getuid getuid
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ioctl - ioctl i:iiI __ioctl ioctl
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kill - kill i:ii __kill kill
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link - link i:ss __link link
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/* Copyright (C) 1991, 92, 93, 96, 98 Free Software Foundation, Inc.
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/* Copyright (C) 1991, 92, 93, 96, 98, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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#ifndef PSEUDO_END
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#define PSEUDO_END(sym)
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#endif
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#ifndef PSEUDO_END_NOENTRY
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#define PSEUDO_END_NOENTRY(sym)
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#endif
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/* Wrappers around system calls should normally inline the system call code.
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But sometimes it is not possible or implemented and we use this code. */
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SYSCALL_ERROR_HANDLER \
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END (name)
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#undef PSEUDO_NOERRNO
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#define PSEUDO_NOERRNO(name, syscall_name, args) \
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.text; \
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ENTRY (name); \
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DO_CALL (syscall_name, args);
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#define PSEUDO_RET_NOERRNO \
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RETINSTR(movcc, pc, lr); \
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nop
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#undef ret_NOERRNO
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#define ret_NOERRNO PSEUDO_RET_NOERRNO
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#undef PSEUDO_END_NOERRNO
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#define PSEUDO_END_NOERRNO(name) \
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END (name)
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#if NOT_IN_libc
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# define SYSCALL_ERROR __local_syscall_error
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# define SYSCALL_ERROR_HANDLER \
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@ -1,5 +1,5 @@
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/* Assembler macros for CRIS.
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Copyright (C) 1999, 2001 Free Software Foundation, Inc.
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Copyright (C) 1999, 2001, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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PLTJUMP (syscall_error) @ \
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END (name)
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#define PSEUDO_NOERRNO(name, syscall_name, args) \
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ENTRY (name) @ \
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DOARGS_##args @ \
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movu.w SYS_ify (syscall_name),$r9 @ \
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break 13 @ \
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UNDOARGS_return_##args
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#define ret_NOERRNO
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#define PSEUDO_END_NOERRNO(name) \
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END (name)
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#define DOARGS_0
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#define DOARGS_1
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#define DOARGS_2
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@ -1,5 +1,5 @@
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/* Assembler macros for PA-RISC.
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Copyright (C) 1999,2001,02 Free Software Foundation, Inc.
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Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper, <drepper@cygnus.com>, August 1999.
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Linux/PA-RISC changes by Philipp Rumpf, <prumpf@tux.org>, March 2000.
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bv 0(2) ASM_LINE_SEP \
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nop
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#define ret_NOERRNO \
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bv 0(2) ASM_LINE_SEP \
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nop
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#undef END
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#define END(name) \
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1: .size C_SYMBOL_NAME(name),1b-C_SYMBOL_NAME(name)
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#define PSEUDO_END(name) \
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END (name)
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#define PSEUDO_NOERRNO(name, syscall_name, args) \
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ENTRY (name) \
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DO_CALL(syscall_name, args) ASM_LINE_SEP \
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nop
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#undef PSEUDO_END_NOERRNO
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#define PSEUDO_END_NOERRNO(name) \
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END (name)
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#define JUMPTARGET(name) name
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#define SYSCALL_PIC_SETUP /* Nothing. */
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@ -78,6 +78,18 @@
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SYSCALL_ERROR_HANDLER \
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END (name)
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#undef PSEUDO_NOERRNO
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#define PSEUDO_NOERRNO(name, syscall_name, args) \
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.text; \
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ENTRY (name) \
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DO_CALL (syscall_name, args)
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#undef PSEUDO_END_NOERRNO
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#define PSEUDO_END_NOERRNO(name) \
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END (name)
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#define ret_NOERRNO ret
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#ifndef PIC
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# define SYSCALL_ERROR_HANDLER /* Nothing here; code in sysdep.S is used. */
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#else
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@ -96,12 +96,21 @@
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#undef PSEUDO_END
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#define PSEUDO_END(name) .endp C_SYMBOL_NAME(name);
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#undef PSEUDO_NOERRNO
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#define PSEUDO_NOERRNO(name, syscall_name, args) \
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ENTRY(name) \
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DO_CALL (SYS_ify(syscall_name));
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#undef PSEUDO_END_NOERRNO
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#define PSEUDO_END_NOERRNO(name) .endp C_SYMBOL_NAME(name);
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#undef END
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#define END(name) \
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.size C_SYMBOL_NAME(name), . - C_SYMBOL_NAME(name) ; \
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.endp C_SYMBOL_NAME(name)
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#define ret br.ret.sptk.few b0
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#define ret_NOERRNO br.ret.sptk.few b0
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#else /* not __ASSEMBLER__ */
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|
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@ -68,6 +68,16 @@
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SYSCALL_ERROR_HANDLER; \
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END (name)
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#undef PSEUDO_NOERRNO
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#define PSEUDO_NOERRNO(name, syscall_name, args) \
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.text; \
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ENTRY (name) \
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DO_CALL (syscall_name, args)
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#undef PSEUDO_END_NOERRNO
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#define PSEUDO_END_NOERRNO(name) \
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END (name)
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#ifdef PIC
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# if RTLD_PRIVATE_ERRNO
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# define SYSCALL_ERROR_HANDLER \
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|
|
|
@ -59,6 +59,16 @@
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SYSCALL_ERROR_HANDLER; \
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END (name)
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#undef PSEUDO
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#define PSEUDO_NOERRNO(name, syscall_name, args) \
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.text; \
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ENTRY (name) \
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DO_CALL (syscall_name, args)
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#undef PSEUDO_END_NOERRNO
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#define PSEUDO_END_NOERRNO(name) \
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END (name)
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#ifndef PIC
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# define SYSCALL_ERROR_LABEL 0f
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# define SYSCALL_ERROR_HANDLER \
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|
@ -143,6 +153,9 @@
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#define ret \
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br 14
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#define ret_NOERRNO \
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br 14
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#endif /* __ASSEMBLER__ */
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#undef INLINE_SYSCALL
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|
|
|
@ -1,5 +1,5 @@
|
|||
/* Assembler macros for 64 bit S/390.
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Copyright (C) 2001,02 Free Software Foundation, Inc.
|
||||
Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
|
||||
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
|
||||
This file is part of the GNU C Library.
|
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|
||||
|
@ -72,6 +72,17 @@
|
|||
SYSCALL_ERROR_HANDLER; \
|
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END (name)
|
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|
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#undef PSEUDO_NOERRNO
|
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#define PSEUDO_NOERRNO(name, syscall_name, args) \
|
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.text; \
|
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ENTRY (name) \
|
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DO_CALL (syscall_name, args)
|
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|
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#undef PSEUDO_END_NOERRNO
|
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#define PSEUDO_END_NOERRNO(name) \
|
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SYSCALL_ERROR_HANDLER; \
|
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END (name)
|
||||
|
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#ifndef PIC
|
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# define SYSCALL_ERROR_LABEL syscall_error
|
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# define SYSCALL_ERROR_HANDLER
|
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|
@ -144,6 +155,9 @@
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#define ret \
|
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br 14
|
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|
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#define ret_NOERRNO \
|
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br 14
|
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|
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#endif /* __ASSEMBLER__ */
|
||||
|
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#undef INLINE_SYSCALL
|
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|
|
|
@ -65,6 +65,18 @@
|
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#define PSEUDO_END(name) \
|
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END (name)
|
||||
|
||||
#undef PSEUDO_NOERRNO
|
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#define PSEUDO_NOERRNO(name, syscall_name, args) \
|
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.text; \
|
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ENTRY (name); \
|
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DO_CALL (syscall_name, args)
|
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|
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#undef PSEUDO_END_NOERRNO
|
||||
#define PSEUDO_END_NOERRNO(name) \
|
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END (name)
|
||||
|
||||
#define ret_NOERRNO ret
|
||||
|
||||
#ifndef PIC
|
||||
# define SYSCALL_ERROR_HANDLER \
|
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mov.l 0f,r1; \
|
||||
|
|
|
@ -35,6 +35,7 @@
|
|||
|
||||
/* Linux/SPARC uses a different trap number */
|
||||
#undef PSEUDO
|
||||
#undef PSEUDO_NOERRNO
|
||||
#undef ENTRY
|
||||
#undef END
|
||||
#undef LOC
|
||||
|
@ -108,6 +109,12 @@ SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler) \
|
|||
nop; \
|
||||
SYSCALL_ERROR_HANDLER
|
||||
|
||||
#define PSEUDO_NOERRNO(name, syscall_name, args) \
|
||||
.text; \
|
||||
ENTRY(name); \
|
||||
LOADSYSCALL(syscall_name); \
|
||||
ta 0x10
|
||||
|
||||
#else /* __ASSEMBLER__ */
|
||||
|
||||
#define __SYSCALL_STRING \
|
||||
|
|
|
@ -14,12 +14,12 @@ fdatasync - fdatasync i:i fdatasync
|
|||
flock - flock i:ii __flock flock
|
||||
fork - fork i: __libc_fork __fork fork
|
||||
get_kernel_syms EXTRA get_kernel_syms i:p get_kernel_syms
|
||||
getegid - getegid i: __getegid getegid
|
||||
geteuid - geteuid i: __geteuid geteuid
|
||||
getegid - getegid Ei: __getegid getegid
|
||||
geteuid - geteuid Ei: __geteuid geteuid
|
||||
getpgid - getpgid i:i __getpgid getpgid
|
||||
getpgrp - getpgrp i: getpgrp
|
||||
getpgrp - getpgrp Ei: getpgrp
|
||||
getpmsg - getpmsg i:ipppp getpmsg
|
||||
getppid - getppid i: __getppid getppid
|
||||
getppid - getppid Ei: __getppid getppid
|
||||
getresuid - getresuid i:ppp getresuid
|
||||
getresgid - getresgid i:ppp getresgid
|
||||
getsid - getsid i:i getsid
|
||||
|
|
|
@ -81,6 +81,18 @@
|
|||
SYSCALL_ERROR_HANDLER \
|
||||
END (name)
|
||||
|
||||
#undef PSEUDO_NOERRNO
|
||||
#define PSEUDO_NOERRNO(name, syscall_name, args) \
|
||||
.text; \
|
||||
ENTRY (name) \
|
||||
DO_CALL (syscall_name, args)
|
||||
|
||||
#undef PSEUDO_END_NOERRNO
|
||||
#define PSEUDO_END_NOERRNO(name) \
|
||||
END (name)
|
||||
|
||||
#define ret_NOERRNO ret
|
||||
|
||||
#ifndef PIC
|
||||
#define SYSCALL_ERROR_HANDLER /* Nothing here; code in sysdep.S is used. */
|
||||
#elif RTLD_PRIVATE_ERRNO
|
||||
|
@ -168,7 +180,7 @@
|
|||
called the stack is not aligned since the return address has just
|
||||
been pushed.
|
||||
|
||||
|
||||
|
||||
Syscalls of more than 6 arguments are not supported. */
|
||||
|
||||
#undef DO_CALL
|
||||
|
|
Loading…
Reference in New Issue