diff options
author | Jakub Jelinek <jakub@redhat.com> | 2007-07-12 18:26:36 +0000 |
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committer | Jakub Jelinek <jakub@redhat.com> | 2007-07-12 18:26:36 +0000 |
commit | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch) | |
tree | 2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/unix/sysv/linux/s390 | |
parent | 7d58530341304d403a6626d7f7a1913165fe2f32 (diff) | |
download | glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.gz |
2.5-18.1
Diffstat (limited to 'sysdeps/unix/sysv/linux/s390')
36 files changed, 314 insertions, 184 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/Dist b/sysdeps/unix/sysv/linux/s390/Dist deleted file mode 100644 index 4af39f72c9..0000000000 --- a/sysdeps/unix/sysv/linux/s390/Dist +++ /dev/null @@ -1,4 +0,0 @@ -ldd-rewrite.sed -sys/elf.h -sys/procfs.h -sys/user.h diff --git a/sysdeps/unix/sysv/linux/s390/Implies b/sysdeps/unix/sysv/linux/s390/Implies new file mode 100644 index 0000000000..efda9d27c0 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/Implies @@ -0,0 +1,3 @@ +# These supply the ABI compatibility for when long double was double. +ieee754/ldbl-64-128 +ieee754/ldbl-opt diff --git a/sysdeps/unix/sysv/linux/s390/Makefile b/sysdeps/unix/sysv/linux/s390/Makefile index 8d8df743ac..5c5381871b 100644 --- a/sysdeps/unix/sysv/linux/s390/Makefile +++ b/sysdeps/unix/sysv/linux/s390/Makefile @@ -2,3 +2,7 @@ ifeq ($(subdir),rt) librt-routines += rt-sysdep endif + +ifeq ($(subdir),stdlib) +gen-as-const-headers += ucontext_i.sym +endif diff --git a/sysdeps/unix/sysv/linux/s390/bits/fcntl.h b/sysdeps/unix/sysv/linux/s390/bits/fcntl.h index 8c47077580..c611028f29 100644 --- a/sysdeps/unix/sysv/linux/s390/bits/fcntl.h +++ b/sysdeps/unix/sysv/linux/s390/bits/fcntl.h @@ -1,5 +1,5 @@ /* O_*, F_*, FD_* bit values for Linux. - Copyright (C) 2000, 2001, 2002, 2004 Free Software Foundation, Inc. + Copyright (C) 2000, 2001, 2002, 2004, 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 @@ -23,6 +23,10 @@ #include <sys/types.h> #include <bits/wordsize.h> +#ifdef __USE_GNU +# include <bits/uio.h> +#endif + /* open/fcntl - O_SYNC is only implemented on blocks devices and on files located on an ext2 file system */ @@ -110,7 +114,7 @@ # define F_NOTIFY 1026 /* Request notfications on a directory. */ #endif -/* For F_[GET|SET]FL. */ +/* For F_[GET|SET]FD. */ #define FD_CLOEXEC 1 /* actually anything with low bit set goes */ /* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */ @@ -199,10 +203,55 @@ struct flock64 # endif #endif + +#ifdef __USE_GNU +/* Flags for SYNC_FILE_RANGE. */ +# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages + in the range before performing the + write. */ +# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those + dirty pages in the range which are + not presently under writeback. */ +# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in + the range after performing the + write. */ + +/* Flags for SPLICE and VMSPLICE. */ +# define SPLICE_F_MOVE 1 /* Move pages instead of copying. */ +# define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing + (but we may still block on the fd + we splice from/to). */ +# define SPLICE_F_MORE 4 /* Expect more data. */ +# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */ +#endif + __BEGIN_DECLS +#ifdef __USE_GNU + /* Provide kernel hint to read ahead. */ extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count) __THROW; + +/* Selective file content synch'ing. */ +extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to, + unsigned int __flags); + + +/* Splice address range into a pipe. */ +extern int vmsplice (int __fdout, const struct iovec *__iov, size_t __count, + unsigned int __flags); + +/* Splice two files together. */ +extern int splice (int __fdin, __off64_t *__offin, int __fdout, + __off64_t *__offout, size_t __len, unsigned int __flags) + __THROW; + +/* In-kernel implementation of tee for pipe buffers. */ +extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags) + __THROW; + +#endif + __END_DECLS diff --git a/sysdeps/unix/sysv/linux/s390/bits/mman.h b/sysdeps/unix/sysv/linux/s390/bits/mman.h index ac94bb20b2..d25531c282 100644 --- a/sysdeps/unix/sysv/linux/s390/bits/mman.h +++ b/sysdeps/unix/sysv/linux/s390/bits/mman.h @@ -1,5 +1,5 @@ /* Definitions for POSIX memory map interface. Linux/s390 version. - Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc. + Copyright (C) 2000,2001,2002,2003,2005,2006 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 @@ -79,6 +79,7 @@ /* Flags for `mremap'. */ #ifdef __USE_GNU # define MREMAP_MAYMOVE 1 +# define MREMAP_FIXED 2 #endif /* Advice to `madvise'. */ @@ -88,6 +89,9 @@ # define MADV_SEQUENTIAL 2 /* Expect sequential page references. */ # define MADV_WILLNEED 3 /* Will need these pages. */ # define MADV_DONTNEED 4 /* Don't need these pages. */ +# define MADV_REMOVE 9 /* Remove these pages and resources. */ +# define MADV_DONTFORK 10 /* Do not inherit across fork. */ +# define MADV_DOFORK 11 /* Do inherit across fork. */ #endif /* The POSIX people had to invent similar names for the same things. */ diff --git a/sysdeps/unix/sysv/linux/s390/bits/shm.h b/sysdeps/unix/sysv/linux/s390/bits/shm.h index b7c2ad0514..d88ed36efa 100644 --- a/sysdeps/unix/sysv/linux/s390/bits/shm.h +++ b/sysdeps/unix/sysv/linux/s390/bits/shm.h @@ -80,6 +80,7 @@ struct shmid_ds # define SHM_DEST 01000 /* segment will be destroyed on last detach */ # define SHM_LOCKED 02000 /* segment will not be swapped */ # define SHM_HUGETLB 04000 /* segment is mapped via hugetlb */ +# define SHM_NORESERVE 010000 /* don't check for reservations */ struct shminfo { diff --git a/sysdeps/unix/sysv/linux/s390/fpu/Implies b/sysdeps/unix/sysv/linux/s390/fpu/Implies new file mode 100644 index 0000000000..3a8e225986 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/fpu/Implies @@ -0,0 +1,2 @@ +# Override ldbl-opt with s390 specific routines. +s390/fpu diff --git a/sysdeps/unix/sysv/linux/s390/nldbl-abi.h b/sysdeps/unix/sysv/linux/s390/nldbl-abi.h new file mode 100644 index 0000000000..bd985cc59c --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/nldbl-abi.h @@ -0,0 +1,8 @@ +/* ABI version for long double switch. + This is used by the Versions and math_ldbl_opt.h files in + sysdeps/ieee754/ldbl-opt/. It gives the ABI version where + long double == double was replaced with proper long double + for libm *l functions and libc functions using long double. */ + +#define NLDBL_VERSION GLIBC_2.4 +#define LONG_DOUBLE_COMPAT_VERSION GLIBC_2_4 diff --git a/sysdeps/unix/sysv/linux/s390/readelflib.c b/sysdeps/unix/sysv/linux/s390/readelflib.c index c8efcbf7ac..2782bc1e01 100644 --- a/sysdeps/unix/sysv/linux/s390/readelflib.c +++ b/sysdeps/unix/sysv/linux/s390/readelflib.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2001 Free Software Foundation, Inc. +/* Copyright (C) 2001, 2005 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 @@ -51,10 +51,10 @@ process_elf_file (const char *file_name, const char *lib, int *flag, #undef process_elf_file #define process_elf_file process_elf32_file #define __ELF_NATIVE_CLASS 32 -#include "sysdeps/generic/readelflib.c" +#include "elf/readelflib.c" #undef __ELF_NATIVE_CLASS #undef process_elf_file #define process_elf_file process_elf64_file #define __ELF_NATIVE_CLASS 64 -#include "sysdeps/generic/readelflib.c" +#include "elf/readelflib.c" diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/Dist b/sysdeps/unix/sysv/linux/s390/s390-32/Dist deleted file mode 100644 index c0a7dc8c93..0000000000 --- a/sysdeps/unix/sysv/linux/s390/s390-32/Dist +++ /dev/null @@ -1,7 +0,0 @@ -clone.S -oldgetrlimit64.c -setresuid.c -setresgid.c -setfsuid.c -setfsgid.c -ucontext_i.h diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/chown.c b/sysdeps/unix/sysv/linux/s390/s390-32/chown.c index 0656b396f8..5909ba8a43 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/chown.c +++ b/sysdeps/unix/sysv/linux/s390/s390-32/chown.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2000,2001,2002,2003,2004,2006 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 @@ -25,7 +25,7 @@ #include <bp-checks.h> #include <linux/posix_types.h> -#include "kernel-features.h" +#include <kernel-features.h> /* In Linux 2.1.x the chown functions have been changed. A new function lchown diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/fchownat.c b/sysdeps/unix/sysv/linux/s390/s390-32/fchownat.c new file mode 100644 index 0000000000..dfed76aeb4 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/s390-32/fchownat.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/fchownat.c> diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/fxstatat.c b/sysdeps/unix/sysv/linux/s390/s390-32/fxstatat.c new file mode 100644 index 0000000000..0f8b3135d8 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/s390-32/fxstatat.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/fxstatat.c> diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S b/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S index 2578b3ddc0..3b38d19488 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S +++ b/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S @@ -72,4 +72,4 @@ ENTRY(__getcontext) br %r14 END(__getcontext) -weak_alias(__getcontext, getcontext) +weak_alias (__getcontext, getcontext) diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/lchown.c b/sysdeps/unix/sysv/linux/s390/s390-32/lchown.c index ccdb67b15c..1e64a0ef75 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/lchown.c +++ b/sysdeps/unix/sysv/linux/s390/s390-32/lchown.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2001, 2003, 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 @@ -24,7 +24,7 @@ #include <bp-checks.h> #include <linux/posix_types.h> -#include "kernel-features.h" +#include <kernel-features.h> # ifdef __NR_lchown32 # if __ASSUME_32BITUIDS == 0 diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c b/sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c index 29c8640e92..94760e0c2b 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c +++ b/sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c @@ -37,8 +37,6 @@ +-----------------------+ n | overflow parameters | 96 +-----------------------+ - 8 | trampoline | 96+n - +-----------------------+ The registers are set up like this: %r2-%r6: parameters 1 to 5 %r7 : (*func) pointer @@ -55,18 +53,16 @@ void __makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...) { + extern void __makecontext_ret (void); unsigned long *sp; va_list ap; int i; - sp = (long *) (((long) ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size) & -8L); - - /* Setup the trampoline. */ - *--sp = 0x07f90000; - *--sp = 0x0de71828; + sp = (unsigned long *) (((unsigned long) ucp->uc_stack.ss_sp + + ucp->uc_stack.ss_size) & -8L); /* Set the return address to trampoline. */ - ucp->uc_mcontext.gregs[14] = (long) sp; + ucp->uc_mcontext.gregs[14] = (long) __makecontext_ret; /* Set register parameters. */ va_start (ap, argc); @@ -98,4 +94,12 @@ __makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...) ucp->uc_mcontext.gregs[15] = (long) sp; } +asm(".text\n" + ".type __makecontext_ret,@function\n" + "__makecontext_ret:\n" + " basr %r14,%r7\n" + " lr %r2,%r8\n" + " br %r9\n" + ".size __makecontext_ret, .-__makecontext_ret"); + weak_alias (__makecontext, makecontext) diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S b/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S index 7ad360a3a0..cce8d29735 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S +++ b/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S @@ -69,4 +69,4 @@ ENTRY(__setcontext) br %r14 END(__setcontext) -weak_alias(__setcontext, setcontext) +weak_alias (__setcontext, setcontext) diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S b/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S index d9abb62c0b..bf70f11cc7 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S +++ b/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S @@ -105,4 +105,4 @@ ENTRY(__swapcontext) /* Return. */ br %r14 END(__swapcontext) -weak_alias(__swapcontext, swapcontext) +weak_alias (__swapcontext, swapcontext) diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S b/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S index d1ce925ac3..b7e1736891 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S +++ b/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2000, 2001 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2001, 2006 Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -48,13 +48,14 @@ ENTRY (syscall) lr %r4,%r5 /* third parameter */ lr %r5,%r6 /* fourth parameter */ l %r6,192(%r15) /* fifth parameter */ + l %r7,196(%r15) /* sixth parameter */ - basr %r7,0 -0: cl %r1,4f-0b(%r7) /* svc number < 256? */ + basr %r8,0 +0: cl %r1,4f-0b(%r8) /* svc number < 256? */ jl 2f 1: svc 0 j 3f -2: ex %r1,1b-0b(%r7) /* lsb of R1 is subsituted as SVC number */ +2: ex %r1,1b-0b(%r8) /* lsb of R1 is subsituted as SVC number */ 3: l %r15,0(%r15) /* load back chain */ cfi_adjust_cfa_offset (-96) lm %r6,15,24(%r15) /* load registers */ diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h index 43b1b951d5..b86072bd30 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h +++ b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h @@ -1,4 +1,5 @@ -/* Copyright (C) 2000,01,02,03,04 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006 + Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -23,6 +24,7 @@ #include <sysdeps/s390/s390-32/sysdep.h> #include <sysdeps/unix/sysdep.h> #include <dl-sysdep.h> /* For RTLD_PRIVATE_ERRNO. */ +#include <tls.h> /* For Linux we can use the system call table in the header file /usr/include/asm/unistd.h @@ -111,8 +113,8 @@ 0: lcr %r0,%r2; \ basr %r1,0; \ 1: al %r1,2f-1b(%r1); \ - l %r1,SYSCALL_ERROR_ERRNO@gotntpoff(%r1) \ - ear %r2,%a0 \ + l %r1,SYSCALL_ERROR_ERRNO@gotntpoff(%r1); \ + ear %r2,%a0; \ st %r0,0(%r1,%r2); \ lhi %r2,-1; \ br %r14; \ @@ -147,19 +149,28 @@ arg 3 4 call-clobbered arg 4 5 call-clobbered arg 5 6 call-saved + arg 6 7 call-saved (Of course a function with say 3 arguments does not have entries for arguments 4 and 5.) - S390 does not need to do ANY stack operations to get its parameters - right. + For system calls with 6 parameters a stack operation is required + to load the 6th parameter to register 7. Call saved register 7 is + moved to register 0 and back to avoid an additional stack frame. */ #define DO_CALL(syscall, args) \ + .if args > 5; \ + lr %r0,%r7; \ + l %r7,96(%r15); \ + .endif; \ .if SYS_ify (syscall) < 256; \ svc SYS_ify (syscall); \ .else; \ lhi %r1,SYS_ify (syscall); \ svc 0; \ + .endif; \ + .if args > 5; \ + lr %r7,%r0; \ .endif #define ret \ @@ -253,6 +264,9 @@ #define DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \ DECLARGS_4(arg1, arg2, arg3, arg4) \ register unsigned long gpr6 asm ("6") = (unsigned long)(arg5); +#define DECLARGS_6(arg1, arg2, arg3, arg4, arg5, arg6) \ + DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \ + register unsigned long gpr7 asm ("7") = (unsigned long)(arg6); #define ASMFMT_0 #define ASMFMT_1 , "0" (gpr2) @@ -260,5 +274,28 @@ #define ASMFMT_3 , "0" (gpr2), "d" (gpr3), "d" (gpr4) #define ASMFMT_4 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5) #define ASMFMT_5 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6) +#define ASMFMT_6 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6), "d" (gpr7) + + +/* Pointer mangling support. */ +#if defined NOT_IN_libc && defined IS_IN_rtld +/* We cannot use the thread descriptor because in ld.so we use setjmp + earlier than the descriptor is initialized. */ +#else +/* For the time being just use stack_guard rather than a separate + pointer_guard. */ +# ifdef __ASSEMBLER__ +# define PTR_MANGLE(reg, tmpreg) \ + ear tmpreg,%a0; \ + x reg,STACK_GUARD(tmpreg) +# define PTR_MANGLE2(reg, tmpreg) \ + x reg,STACK_GUARD(tmpreg) +# define PTR_DEMANGLE(reg, tmpreg) PTR_MANGLE (reg, tmpreg) +# else +# define PTR_MANGLE(var) \ + (var) = (void *) ((uintptr_t) (var) ^ THREAD_GET_POINTER_GUARD ()) +# define PTR_DEMANGLE(var) PTR_MANGLE (var) +# endif +#endif #endif /* _LINUX_S390_SYSDEP_H */ diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.h b/sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.h deleted file mode 100644 index 2e51f04e65..0000000000 --- a/sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.h +++ /dev/null @@ -1,35 +0,0 @@ -/* Copyright (C) 2001 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by David Mosberger-Tang <davidm@hpl.hp.com>. - - 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. */ - -/* Constants shared between setcontext() and getcontext(). Don't - install this header file. */ - -#define SIG_BLOCK 0 -#define SIG_UNBLOCK 1 -#define SIG_SETMASK 2 - -#define SC_FLGS 0x000 -#define SC_LINK 0x004 -#define SC_STCK 0x008 -#define SC_PSW 0x018 -#define SC_GPRS 0x020 -#define SC_ACRS 0x060 -#define SC_FPC 0x0A0 -#define SC_FPRS 0x0A8 -#define SC_MASK 0x128 diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/Dist b/sysdeps/unix/sysv/linux/s390/s390-64/Dist deleted file mode 100644 index bfd4edc372..0000000000 --- a/sysdeps/unix/sysv/linux/s390/s390-64/Dist +++ /dev/null @@ -1,2 +0,0 @@ -clone.S -ucontext_i.h diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S b/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S index 5a0d7eca5d..8889b5359e 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S +++ b/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S @@ -72,4 +72,4 @@ ENTRY(__getcontext) br %r14 END(__getcontext) -weak_alias(__getcontext, getcontext) +weak_alias (__getcontext, getcontext) diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/makecontext.c b/sysdeps/unix/sysv/linux/s390/s390-64/makecontext.c index cdff9a4f21..b08f1b4047 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/makecontext.c +++ b/sysdeps/unix/sysv/linux/s390/s390-64/makecontext.c @@ -37,8 +37,6 @@ +-----------------------+ n | overflow parameters | 160 +-----------------------+ - 8 | trampoline | 160+n - +-----------------------+ The registers are set up like this: %r2-%r6: parameters 1 to 5 %r7 : (*func) pointer @@ -55,17 +53,16 @@ void __makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...) { + extern void __makecontext_ret (void); unsigned long *sp; va_list ap; int i; - sp = (long *) (((long) ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size) & -8L); - - /* Setup the trampoline. */ - *--sp = 0x0de7b904002807f9; + sp = (unsigned long *) (((unsigned long) ucp->uc_stack.ss_sp + + ucp->uc_stack.ss_size) & -8L); /* Set the return address to trampoline. */ - ucp->uc_mcontext.gregs[14] = (long) sp; + ucp->uc_mcontext.gregs[14] = (long) __makecontext_ret; /* Set register parameters. */ va_start (ap, argc); @@ -97,4 +94,12 @@ __makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...) ucp->uc_mcontext.gregs[15] = (long) sp; } +asm(".text\n" + ".type __makecontext_ret,@function\n" + "__makecontext_ret:\n" + " basr %r14,%r7\n" + " lgr %r2,%r8\n" + " br %r9\n" + ".size __makecontext_ret, .-__makecontext_ret"); + weak_alias (__makecontext, makecontext) diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/setcontext.S b/sysdeps/unix/sysv/linux/s390/s390-64/setcontext.S index 268f36e713..7beca847c2 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/setcontext.S +++ b/sysdeps/unix/sysv/linux/s390/s390-64/setcontext.S @@ -69,4 +69,4 @@ ENTRY(__setcontext) br %r14 END(__setcontext) -weak_alias(__setcontext, setcontext) +weak_alias (__setcontext, setcontext) diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/sigaction.c b/sysdeps/unix/sysv/linux/s390/s390-64/sigaction.c index 480ebd424c..eff4f17853 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/sigaction.c +++ b/sysdeps/unix/sysv/linux/s390/s390-64/sigaction.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 2001, 2002, 2003, 2005 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 @@ -44,6 +44,10 @@ __libc_sigaction (sig, act, oact) } libc_hidden_def (__libc_sigaction) +#ifdef WRAPPER_INCLUDE +# include WRAPPER_INCLUDE +#endif + #ifndef LIBC_SIGACTION weak_alias (__libc_sigaction, __sigaction) libc_hidden_weak (__sigaction) diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/sigsuspend.c b/sysdeps/unix/sysv/linux/s390/s390-64/sigsuspend.c deleted file mode 100644 index 452f8354d0..0000000000 --- a/sysdeps/unix/sysv/linux/s390/s390-64/sigsuspend.c +++ /dev/null @@ -1,47 +0,0 @@ -/* Copyright (C) 2001, 2002, 2003 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 <errno.h> -#include <signal.h> -#include <unistd.h> - -#include <sysdep-cancel.h> -#include <sys/syscall.h> - -/* Change the set of blocked signals to SET, - wait until a signal arrives, and restore the set of blocked signals. */ -int -__sigsuspend (set) - const sigset_t *set; -{ - /* XXX The size argument hopefully will have to be changed to the - real size of the user-level sigset_t. */ - if (SINGLE_THREAD_P) - return INLINE_SYSCALL (rt_sigsuspend, 2, set, _NSIG / 8); - - int oldtype = LIBC_CANCEL_ASYNC (); - - int result = INLINE_SYSCALL (rt_sigsuspend, 2, set, _NSIG / 8); - - LIBC_CANCEL_RESET (oldtype); - - return result; -} -libc_hidden_def (__sigsuspend) -weak_alias (__sigsuspend, sigsuspend) -strong_alias (__sigsuspend, __libc_sigsuspend) diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/socket.S b/sysdeps/unix/sysv/linux/s390/s390-64/socket.S index c98a97449b..d4c3a1c4e1 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/socket.S +++ b/sysdeps/unix/sysv/linux/s390/s390-64/socket.S @@ -128,6 +128,7 @@ L(socket_cancel): j 4b #endif + SYSCALL_ERROR_HANDLER END (__socket) #ifndef NO_WEAK_ALIAS diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S b/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S index ef2a862c55..cb96fd3b6a 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S +++ b/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S @@ -105,4 +105,4 @@ ENTRY(__swapcontext) /* Return. */ br %r14 END(__swapcontext) -weak_alias(__swapcontext, swapcontext) +weak_alias (__swapcontext, swapcontext) diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S b/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S index 4caeaeaf50..31b55d73f2 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S +++ b/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2001 Free Software Foundation, Inc. +/* Copyright (C) 2001, 2006 Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -48,13 +48,14 @@ ENTRY (syscall) lgr %r4,%r5 /* Third parameter. */ lgr %r5,%r6 /* Fourth parameter. */ lg %r6,320(%r15) /* Fifth parameter. */ + lg %r7,328(%r15) /* Sixth parameter. */ - basr %r7,0 -0: clg %r1,4f-0b(%r7) /* svc number < 256? */ + basr %r8,0 +0: clg %r1,4f-0b(%r8) /* svc number < 256? */ jl 2f 1: svc 0 j 3f -2: ex %r1,1b-0b(%r7) /* lsb of R1 is subsituted as SVC number */ +2: ex %r1,1b-0b(%r8) /* lsb of R1 is subsituted as SVC number */ 3: lg %r15,0(%r15) /* load back chain */ cfi_adjust_cfa_offset (-160) lmg %r6,15,48(%r15) /* Load registers. */ diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list b/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list index 477f8a9f09..791ab9ba52 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list +++ b/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list @@ -1,6 +1,5 @@ # File name Caller Syscall name # args Strong name Weak names -getpeername - getpeername i:ipp __getpeername getpeername vfork - vfork 0 __vfork vfork # semaphore and shm system calls diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h index 154bc06803..9ddec8e041 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h +++ b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h @@ -1,5 +1,6 @@ /* Assembler macros for 64 bit S/390. - Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 + Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -24,6 +25,7 @@ #include <sysdeps/s390/s390-64/sysdep.h> #include <sysdeps/unix/sysdep.h> #include <dl-sysdep.h> /* For RTLD_PRIVATE_ERRNO. */ +#include <tls.h> /* For Linux we can use the system call table in the header file /usr/include/asm/unistd.h @@ -149,19 +151,28 @@ arg 3 4 call-clobbered arg 4 5 call-clobbered arg 5 6 call-saved + arg 6 7 call-saved (Of course a function with say 3 arguments does not have entries for arguments 4 and 5.) - S390 does not need to do ANY stack operations to get its parameters - right. + For system calls with 6 parameters a stack operation is required + to load the 6th parameter to register 7. Call saved register 7 is + moved to register 0 and back to avoid an additional stack frame. */ #define DO_CALL(syscall, args) \ + .if args > 5; \ + lgr %r0,%r7; \ + lg %r7,160(%r15); \ + .endif; \ .if SYS_ify (syscall) < 256; \ svc SYS_ify (syscall); \ .else; \ lghi %r1,SYS_ify (syscall); \ svc 0; \ + .endif; \ + .if args > 5; \ + lgr %r7,%r0; \ .endif #define ret \ @@ -255,6 +266,9 @@ #define DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \ DECLARGS_4(arg1, arg2, arg3, arg4) \ register unsigned long gpr6 asm ("6") = (unsigned long)(arg5); +#define DECLARGS_6(arg1, arg2, arg3, arg4, arg5, arg6) \ + DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \ + register unsigned long gpr7 asm ("7") = (unsigned long)(arg6); #define ASMFMT_0 #define ASMFMT_1 , "0" (gpr2) @@ -262,5 +276,29 @@ #define ASMFMT_3 , "0" (gpr2), "d" (gpr3), "d" (gpr4) #define ASMFMT_4 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5) #define ASMFMT_5 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6) +#define ASMFMT_6 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6), "d" (gpr7) + +/* Pointer mangling support. */ +#if defined NOT_IN_libc && defined IS_IN_rtld +/* We cannot use the thread descriptor because in ld.so we use setjmp + earlier than the descriptor is initialized. */ +#else +/* For the time being just use stack_guard rather than a separate + pointer_guard. */ +# ifdef __ASSEMBLER__ +# define PTR_MANGLE(reg, tmpreg) \ + ear tmpreg,%a0; \ + sllg tmpreg,tmpreg,32; \ + ear tmpreg,%a1; \ + xg reg,STACK_GUARD(tmpreg) +# define PTR_MANGLE2(reg, tmpreg) \ + xg reg,STACK_GUARD(tmpreg) +# define PTR_DEMANGLE(reg, tmpreg) PTR_MANGLE (reg, tmpreg) +# else +# define PTR_MANGLE(var) \ + (var) = (void *) ((uintptr_t) (var) ^ THREAD_GET_POINTER_GUARD ()) +# define PTR_DEMANGLE(var) PTR_MANGLE (var) +# endif +#endif #endif /* _LINUX_S390_SYSDEP_H */ diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/ucontext_i.h b/sysdeps/unix/sysv/linux/s390/s390-64/ucontext_i.h deleted file mode 100644 index 6d223a08a6..0000000000 --- a/sysdeps/unix/sysv/linux/s390/s390-64/ucontext_i.h +++ /dev/null @@ -1,36 +0,0 @@ -/* Copyright (C) 2001 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by David Mosberger-Tang <davidm@hpl.hp.com>. - - 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. */ - -/* Constants shared between setcontext() and getcontext(). Don't - install this header file. */ - -#define SIG_BLOCK 0 -#define SIG_UNBLOCK 1 -#define SIG_SETMASK 2 - -#define SC_FLGS 0x000 -#define SC_LINK 0x008 -#define SC_STCK 0x010 -#define SC_PSW 0x028 -#define SC_GPRS 0x038 -#define SC_ACRS 0x0B8 -#define SC_FPC 0x0F8 -#define SC_FPRS 0x100 -#define SC_MASK 0x180 - diff --git a/sysdeps/unix/sysv/linux/s390/sys/ptrace.h b/sysdeps/unix/sysv/linux/s390/sys/ptrace.h index d26cf114ef..70eb4f8222 100644 --- a/sysdeps/unix/sysv/linux/s390/sys/ptrace.h +++ b/sysdeps/unix/sysv/linux/s390/sys/ptrace.h @@ -1,5 +1,5 @@ /* `ptrace' debugger support interface. Linux version. - Copyright (C) 2000 Free Software Foundation, Inc. + Copyright (C) 2000, 2006 Free Software Foundation, Inc. Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com). This file is part of the GNU C Library. @@ -118,8 +118,24 @@ enum __ptrace_request #define PT_DETACH PTRACE_DETACH /* Continue and stop at the next (return from) syscall. */ - PTRACE_SYSCALL = 24 + PTRACE_SYSCALL = 24, #define PT_SYSCALL PTRACE_SYSCALL + + /* Set ptrace filter options. */ + PTRACE_SETOPTIONS = 0x4200, +#define PT_SETOPTIONS PTRACE_SETOPTIONS + + /* Get last ptrace message. */ + PTRACE_GETEVENTMSG = 0x4201, +#define PT_GETEVENTMSG PTRACE_GETEVENTMSG + + /* Get siginfo for process. */ + PTRACE_GETSIGINFO = 0x4202, +#define PT_GETSIGINFO PTRACE_GETSIGINFO + + /* Set new siginfo for process. */ + PTRACE_SETSIGINFO = 0x4203 +#define PT_SETSIGINFO PTRACE_SETSIGINFO }; /* Perform process tracing functions. REQUEST is one of the values diff --git a/sysdeps/unix/sysv/linux/s390/sys/user.h b/sysdeps/unix/sysv/linux/s390/sys/user.h index eddd196c72..f00caea84d 100644 --- a/sysdeps/unix/sysv/linux/s390/sys/user.h +++ b/sysdeps/unix/sysv/linux/s390/sys/user.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2000 Free Software Foundation, Inc. +/* Copyright (C) 2000,2005 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 @@ -19,6 +19,65 @@ #ifndef _SYS_USER_H #define _SYS_USER_H 1 -#include <asm/user.h> +/* The whole purpose of this file is for GDB and GDB only. Don't read + too much into it. Don't use it for anything other than GDB unless + you know what you are doing. */ + +struct _user_psw_struct +{ + unsigned long mask; + unsigned long addr; +}; + +struct _user_fpregs_struct +{ + unsigned int fpc; + double fprs[16]; +}; + +struct _user_per_struct +{ + unsigned long control_regs[3]; + unsigned single_step : 1; + unsigned instruction_fetch : 1; + unsigned : 30; + unsigned long starting_addr; + unsigned long ending_addr; + unsigned short perc_atmid; + unsigned long address; + unsigned char access_id; +}; + +struct _user_regs_struct +{ + struct _user_psw_struct psw; /* Program status word. */ + unsigned long gprs[16]; /* General purpose registers. */ + unsigned int acrs[16]; /* Access registers. */ + unsigned long orig_gpr2; /* Original gpr2. */ + struct _user_fpregs_struct fp_regs; /* Floating point registers. */ + struct _user_per_struct per_info; /* Hardware tracing registers. */ + unsigned long ieee_instruction_pointer; +}; + +struct user { + struct _user_regs_struct regs; /* User registers. */ + unsigned long int u_tsize; /* Text segment size (pages). */ + unsigned long int u_dsize; /* Data segment size (pages). */ + unsigned long int u_ssize; /* Stack segment size (pages). */ + unsigned long start_code; /* Starting address of text. */ + unsigned long start_stack; /* Starting address of stack area. */ + long int signal; /* Signal causing the core dump. */ + struct _user_regs_struct *u_ar0; /* Help gdb find registers. */ + unsigned long magic; /* Identifies a core file. */ + char u_comm[32]; /* User command naem. */ +}; + +#define PAGE_SHIFT 12 +#define PAGE_SIZE (1UL << PAGE_SHIFT) +#define PAGE_MASK (~(PAGE_SIZE-1)) +#define NBPG PAGE_SIZE +#define UPAGES 1 +#define HOST_TEXT_START_ADDR (u.start_code) +#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG) #endif /* _SYS_USER_H */ diff --git a/sysdeps/unix/sysv/linux/s390/ucontext_i.sym b/sysdeps/unix/sysv/linux/s390/ucontext_i.sym new file mode 100644 index 0000000000..525b54300c --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/ucontext_i.sym @@ -0,0 +1,23 @@ +#include <stddef.h> +#include <signal.h> +#include <sys/ucontext.h> + +-- + +SIG_BLOCK +SIG_UNBLOCK +SIG_SETMASK + +#define ucontext(member) offsetof (ucontext_t, member) +#define mcontext(member) ucontext (uc_mcontext.member) + +SC_FLGS ucontext (uc_flags) +SC_LINK ucontext (uc_link) +SC_STCK ucontext (uc_stack.ss_sp) +SC_STSZ ucontext (uc_stack.ss_size) +SC_PSW mcontext (psw) +SC_GPRS mcontext (gregs) +SC_ACRS mcontext (aregs) +SC_FPC mcontext (fpregs.fpc) +SC_FPRS mcontext (fpregs.fprs) +SC_MASK ucontext (uc_sigmask) |