diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc32')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist | 1 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile | 3 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc32/Versions | 23 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S | 54 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S | 94 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc32/kernel_stat.h | 59 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S | 85 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list | 54 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h | 35 |
9 files changed, 408 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist new file mode 100644 index 0000000..738b9cc --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist @@ -0,0 +1 @@ +clone.S diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile b/sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile new file mode 100644 index 0000000..966a768 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile @@ -0,0 +1,3 @@ +ifeq ($(subdir),resource) +sysdep_routines += oldgetrlimit64 +endif diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/Versions b/sysdeps/unix/sysv/linux/powerpc/powerpc32/Versions new file mode 100644 index 0000000..d0bf4a8 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/Versions @@ -0,0 +1,23 @@ +libc { + GLIBC_2.0 { + # Exception handling support functions from libgcc + __register_frame; __register_frame_table; __deregister_frame; + __frame_state_for; __register_frame_info_table; + } + GLIBC_2.2 { + # functions used in other libraries + __xstat64; __fxstat64; __lxstat64; + + # g* + glob64; + + # New rlimit interface + getrlimit; setrlimit; getrlimit64; setrlimit64; + + # r* + readdir64; readdir64_r; + + # s* + scandir64; + } +} diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S new file mode 100644 index 0000000..8ecbb54 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S @@ -0,0 +1,54 @@ +/* brk system call for Linux/ppc. + Copyright (C) 1995, 1996, 1997, 1999, 2000 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 <sysdep.h> +#define _ERRNO_H 1 +#include <bits/errno.h> +#include <bp-sym.h> +#include <bp-asm.h> + + .comm __curbrk,4,4 + .section ".text" +ENTRY (BP_SYM (__brk)) + DISCARD_BOUNDS (r3) /* the bounds are meaningless, so toss 'em */ + + stwu r1,-16(r1) + stw r3,8(r1) + DO_CALL(SYS_ify(brk)) + lwz r6,8(r1) +#ifdef PIC + mflr r4 + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr r5 + lwz r5,__curbrk@got(r5) + mtlr r4 + stw r3,0(r5) +#else + lis r4,__curbrk@ha + stw r3,__curbrk@l(r4) +#endif + cmplw r6,r3 + addi r1,r1,16 + li r3,0 + blelr+ + li r3,ENOMEM + b JUMPTARGET(__syscall_error) +END (BP_SYM (__brk)) + +weak_alias (BP_SYM (__brk), BP_SYM (brk)) diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S new file mode 100644 index 0000000..97849a5 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S @@ -0,0 +1,94 @@ +/* Wrapper around clone system call. + Copyright (C) 1997,98,99,2000,02 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 <sysdep.h> +#define _ERRNO_H 1 +#include <bits/errno.h> +#include <bp-sym.h> +#include <bp-asm.h> + +/* This is the only really unusual system call in PPC linux, but not + because of any weirdness in the system call itself; because of + all the freaky stuff we have to do to make the call useful. */ + +/* int [r3] clone(int (*fn)(void *arg) [r3], void *child_stack [r4], + int flags [r5], void *arg [r6]); */ + +ENTRY (BP_SYM (__clone)) + /* GKM FIXME: add bounds checks, where sensible. */ + DISCARD_BOUNDS (r4) + DISCARD_BOUNDS (r6) + + /* Check for child_stack == NULL || fn == NULL. */ + cmpwi cr0,r4,0 + cmpwi cr1,r3,0 + cror cr0*4+eq,cr1*4+eq,cr0*4+eq + beq- cr0,L(badargs) + + /* Set up stack frame for parent. */ + stwu r1,-32(r1) + stmw r29,16(r1) + + /* Set up stack frame for child. */ + clrrwi r4,r4,4 + li r0,0 + stwu r0,-16(r4) + + /* Save fn, args, stack across syscall. */ + mr r29,r3 /* Function in r29. */ + mr r30,r4 /* Stack pointer in r30. */ + mr r31,r6 /* Argument in r31. */ + + /* 'flags' argument is first parameter to clone syscall. (The other + argument is the stack pointer, already in r4.) */ + mr r3,r5 + + /* Do the call. */ + DO_CALL(SYS_ify(clone)) + + /* Check for child process. */ + cmpwi cr1,r3,0 + crandc cr1*4+eq,cr1*4+eq,cr0*4+so + bne- cr1,L(parent) /* The '-' is to minimise the race. */ + + /* On at least mklinux DR3a5, clone() doesn't actually change + the stack pointer. I'm pretty sure this is a bug, because + it adds a race condition if a signal is sent to a thread + just after it is created (in the previous three instructions). */ + mr r1,r30 + /* Call procedure. */ + mtctr r29 + mr r3,r31 + bctrl + /* Call _exit with result from procedure. */ + b HIDDEN_JUMPTARGET(_exit) + +L(parent): + /* Parent. Restore registers & return. */ + lmw r29,16(r1) + addi r1,r1,32 + bnslr+ + b JUMPTARGET(__syscall_error) + +L(badargs): + li r3,EINVAL + b JUMPTARGET(__syscall_error) +END (BP_SYM (__clone)) + +weak_alias (BP_SYM (__clone), BP_SYM (clone)) diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/kernel_stat.h b/sysdeps/unix/sysv/linux/powerpc/powerpc32/kernel_stat.h new file mode 100644 index 0000000..a2db586 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/kernel_stat.h @@ -0,0 +1,59 @@ +/* Definition of `struct stat' used in the kernel. + Copyright (C) 1997, 2000 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. */ + +struct kernel_stat + { + unsigned int st_dev; + unsigned int st_ino; + unsigned int st_mode; + unsigned short st_nlink; + unsigned int st_uid; + unsigned int st_gid; + unsigned int st_rdev; + unsigned long int st_size; + unsigned long int st_blksize; + unsigned long int st_blocks; + unsigned long int st_atime; + unsigned long int __unused1; +#define _HAVE___UNUSED1 + unsigned long int st_mtime; + unsigned long int __unused2; +#define _HAVE___UNUSED2 + unsigned long int st_ctime; + unsigned long int __unused3; +#define _HAVE___UNUSED3 + unsigned long int __unused4; +#define _HAVE___UNUSED4 + unsigned long int __unused5; +#define _HAVE___UNUSED5 + }; + +#define _HAVE_STAT___UNUSED1 +#define _HAVE_STAT___UNUSED2 +#define _HAVE_STAT___UNUSED3 +#define _HAVE_STAT___UNUSED4 +#define _HAVE_STAT___UNUSED5 +#define _HAVE_STAT___PAD1 +#define _HAVE_STAT___PAD2 +#define _HAVE_STAT64___UNUSED1 +#define _HAVE_STAT64___UNUSED2 +#define _HAVE_STAT64___UNUSED3 +#define _HAVE_STAT64___UNUSED4 +#define _HAVE_STAT64___UNUSED5 +#define _HAVE_STAT64___PAD2 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S new file mode 100644 index 0000000..dbdccef --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S @@ -0,0 +1,85 @@ +/* Copyright (C) 1995, 1996, 1997, 1999 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 <sysdep.h> +#include <socketcall.h> + +#define P(a, b) P2(a, b) +#define P2(a, b) a##b + +/* The socket-oriented system calls are handled unusally in Linux. + They are all gated through the single `socketcall' system call number. + `socketcall' takes two arguments: the first is the subcode, specifying + which socket function is being called; and the second is a pointer to + the arguments to the specific function. + + The .S files for the other calls just #define socket and #include this. + They also #define a 'number-of-arguments' word in NARGS, which + defaults to 3. */ + +#ifndef NARGS +#ifdef socket +#error NARGS not defined +#endif +#define NARGS 3 +#endif + +#define stackblock 20 + +#ifndef __socket +#define __socket P(__,socket) +#endif + + .text +ENTRY(__socket) + stwu r1,-48(r1) +#if NARGS >= 1 + stw r3,stackblock(r1) +#endif +#if NARGS >= 2 + stw r4,4+stackblock(r1) +#endif +#if NARGS >= 3 + stw r5,8+stackblock(r1) +#endif +#if NARGS >= 4 + stw r6,12+stackblock(r1) +#endif +#if NARGS >= 5 + stw r7,16+stackblock(r1) +#endif +#if NARGS >= 6 + stw r8,20+stackblock(r1) +#endif +#if NARGS >= 7 + stw r9,24+stackblock(r1) +#endif +#if NARGS >= 8 + stw r10,28+stackblock(r1) +#endif +#if NARGS >= 9 +#error too many arguments! +#endif + li r3,P(SOCKOP_,socket) + addi r4,r1,stackblock + DO_CALL(SYS_ify(socketcall)) + addi r1,r1,48 + PSEUDO_RET +PSEUDO_END (__socket) + +weak_alias (__socket, socket) diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list b/sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list new file mode 100644 index 0000000..434a9a1 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list @@ -0,0 +1,54 @@ +# File name Caller Syscall name # args Strong name Weak names + +# System calls with wrappers. +s_ioctl ioctl ioctl i:iiI __syscall_ioctl +s_ipc msgget ipc i:iiiip __syscall_ipc +s_llseek llseek _llseek i:iiipi __syscall__llseek +s_readahead readahead readahead i:iiii __syscall_readahead +s_chown chown chown i:sii __syscall_chown +s_execve execve execve i:spp __syscall_execve +rt_sigaction - rt_sigaction i:ippi __syscall_rt_sigaction +rt_sigpending - rt_sigpending i:pi __syscall_rt_sigpending +rt_sigprocmask - rt_sigprocmask i:ippi __syscall_rt_sigprocmask +rt_sigqueueinfo - rt_sigqueueinfo i:iip __syscall_rt_sigqueueinfo +rt_sigsuspend - rt_sigsuspend i:pi __syscall_rt_sigsuspend +rt_sigtimedwait - rt_sigtimedwait i:pppi __syscall_rt_sigtimedwait +s_fcntl fcntl fcntl i:iiF __syscall_fcntl +s_fcntl64 fcntl64 fcntl64 i:iiF __syscall_fcntl64 +s_fstat64 fxstat64 fstat64 i:ip __syscall_fstat64 +s_ftruncate64 ftruncate64 ftruncate64 i:iii __syscall_ftruncate64 +s_getcwd getcwd getcwd i:pi __syscall_getcwd +s_getdents getdents getdents i:ipi __syscall_getdents +s_getdents64 getdents getdents64 i:ipi __syscall_getdents64 +s_getpmsg getpmsg getpmsg i:ipppp __syscall_getpmsg +s_getpriority getpriority getpriority i:ii __syscall_getpriority +getresgid - getresgid i:ppp getresgid +getresuid - getresuid i:ppp getresuid +s_getrlimit getrlimit getrlimit i:ip __syscall_getrlimit +s_lstat64 lxstat64 lstat64 i:sp __syscall_lstat64 +s_mmap2 mmap64 mmap2 b:aniiii __syscall_mmap2 +s_poll poll poll i:pii __syscall_poll +s_pread64 pread64 pread i:ibnii __syscall_pread +s_ptrace ptrace ptrace i:iipp __syscall_ptrace +s_putpmsg putpmsg putpmsg i:ippii __syscall_putpmsg +s_pwrite64 pwrite64 pwrite i:ibnii __syscall_pwrite +s_reboot reboot reboot i:iii __syscall_reboot +s_setrlimit setrlimit setrlimit i:ip __syscall_setrlimit +s_sigaction sigaction sigaction i:ipp __syscall_sigaction +s_sigpending sigpending sigpending i:p __syscall_sigpending +s_sigprocmask sigprocmask sigprocmask i:ipp __syscall_sigprocmask +s_sigsuspend sigsuspend sigsuspend i:iii __syscall_sigsuspend +s_stat64 xstat64 stat64 i:sp __syscall_stat64 +s_sysctl sysctl _sysctl i:p __syscall__sysctl +s_truncate64 truncate64 truncate64 i:sii __syscall_truncate64 +s_ugetrlimit getrlimit ugetrlimit i:ip __syscall_ugetrlimit +s_ustat ustat ustat i:ip __syscall_ustat +s_vfork vfork vfork i: __syscall_vfork +sys_fstat fxstat fstat i:ip __syscall_fstat +sys_lstat lxstat lstat i:sp __syscall_lstat +sys_mknod xmknod mknod i:pii __syscall_mknod +sys_readv readv readv i:ipi __syscall_readv +sys_stat xstat stat i:sp __syscall_stat +sys_writev writev writev i:ipi __syscall_writev +oldgetrlimit EXTRA getrlimit i:ip __old_getrlimit getrlimit@GLIBC_2.0 +oldsetrlimit EXTRA setrlimit i:ip __old_setrlimit setrlimit@GLIBC_2.0 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h new file mode 100644 index 0000000..78ff4ed --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h @@ -0,0 +1,35 @@ +/* Copyright (C) 1992,1997,1998,1999,2000,2001 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. */ + +#ifndef _LINUX_POWERPC_SYSDEP_H +#define _LINUX_POWERPC_SYSDEP_H 1 + +#include <sysdeps/unix/powerpc/sysdep.h> + +/* For Linux we can use the system call table in the header file + /usr/include/asm/unistd.h + of the kernel. But these symbols do not follow the SYS_* syntax + so we have to redefine the `SYS_ify' macro here. */ +#undef SYS_ify +#ifdef __STDC__ +# define SYS_ify(syscall_name) __NR_##syscall_name +#else +# define SYS_ify(syscall_name) __NR_/**/syscall_name +#endif + +#endif /* linux/powerpc/sysdep.h */ |