diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/sysdeps/linux/mips/Makefile | 4 | ||||
| -rw-r--r-- | libc/sysdeps/linux/mips/__longjmp.c | 52 | ||||
| -rw-r--r-- | libc/sysdeps/linux/mips/bits/kernel_sigaction.h | 3 | ||||
| -rw-r--r-- | libc/sysdeps/linux/mips/brk.c | 9 | ||||
| -rw-r--r-- | libc/sysdeps/linux/mips/cacheflush.c | 2 | ||||
| -rw-r--r-- | libc/sysdeps/linux/mips/mmap.c | 13 | ||||
| -rw-r--r-- | libc/sysdeps/linux/mips/pipe.S | 11 |
7 files changed, 54 insertions, 40 deletions
diff --git a/libc/sysdeps/linux/mips/Makefile b/libc/sysdeps/linux/mips/Makefile index b1bf1ef10..633c91f3e 100644 --- a/libc/sysdeps/linux/mips/Makefile +++ b/libc/sysdeps/linux/mips/Makefile @@ -5,9 +5,7 @@ # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. # -TOPDIR=../../../../ - -top_srcdir=$(TOPDIR) +top_srcdir=../../../../ top_builddir=../../../../ all: objs include $(top_builddir)Rules.mak diff --git a/libc/sysdeps/linux/mips/__longjmp.c b/libc/sysdeps/linux/mips/__longjmp.c index 5be2e974b..ee9c455cc 100644 --- a/libc/sysdeps/linux/mips/__longjmp.c +++ b/libc/sysdeps/linux/mips/__longjmp.c @@ -21,64 +21,66 @@ #include <setjmp.h> #include <stdlib.h> -#undef __longjmp - #ifndef __GNUC__ #error This file uses GNU C extensions; you must compile with GCC. #endif +extern void __longjmp (__jmp_buf __env, int __val) attribute_noreturn; +libc_hidden_proto(__longjmp) + void __longjmp (__jmp_buf env, int val_arg) { /* gcc 1.39.19 miscompiled the longjmp routine (as it did setjmp before the hack around it); force it to use $a1 for the longjmp value. Without this it saves $a1 in a register which gets clobbered along the way. */ - register int val asm ("a1"); + register int val __asm__ ("a1"); /* Pull back the floating point callee-saved registers. */ #if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__ - asm volatile ("l.d $f20, %0" : : "m" (env[0].__fpregs[0])); - asm volatile ("l.d $f22, %0" : : "m" (env[0].__fpregs[1])); - asm volatile ("l.d $f24, %0" : : "m" (env[0].__fpregs[2])); - asm volatile ("l.d $f26, %0" : : "m" (env[0].__fpregs[3])); - asm volatile ("l.d $f28, %0" : : "m" (env[0].__fpregs[4])); - asm volatile ("l.d $f30, %0" : : "m" (env[0].__fpregs[5])); + __asm__ __volatile__ ("l.d $f20, %0" : : "m" (env[0].__fpregs[0])); + __asm__ __volatile__ ("l.d $f22, %0" : : "m" (env[0].__fpregs[1])); + __asm__ __volatile__ ("l.d $f24, %0" : : "m" (env[0].__fpregs[2])); + __asm__ __volatile__ ("l.d $f26, %0" : : "m" (env[0].__fpregs[3])); + __asm__ __volatile__ ("l.d $f28, %0" : : "m" (env[0].__fpregs[4])); + __asm__ __volatile__ ("l.d $f30, %0" : : "m" (env[0].__fpregs[5])); /* Get and reconstruct the floating point csr. */ - asm volatile ("lw $2, %0" : : "m" (env[0].__fpc_csr)); - asm volatile ("ctc1 $2, $31"); + __asm__ __volatile__ ("lw $2, %0" : : "m" (env[0].__fpc_csr)); + __asm__ __volatile__ ("ctc1 $2, $31"); #endif /* Get the GP. */ - asm volatile ("lw $gp, %0" : : "m" (env[0].__gp)); + __asm__ __volatile__ ("lw $gp, %0" : : "m" (env[0].__gp)); /* Get the callee-saved registers. */ - asm volatile ("lw $16, %0" : : "m" (env[0].__regs[0])); - asm volatile ("lw $17, %0" : : "m" (env[0].__regs[1])); - asm volatile ("lw $18, %0" : : "m" (env[0].__regs[2])); - asm volatile ("lw $19, %0" : : "m" (env[0].__regs[3])); - asm volatile ("lw $20, %0" : : "m" (env[0].__regs[4])); - asm volatile ("lw $21, %0" : : "m" (env[0].__regs[5])); - asm volatile ("lw $22, %0" : : "m" (env[0].__regs[6])); - asm volatile ("lw $23, %0" : : "m" (env[0].__regs[7])); + __asm__ __volatile__ ("lw $16, %0" : : "m" (env[0].__regs[0])); + __asm__ __volatile__ ("lw $17, %0" : : "m" (env[0].__regs[1])); + __asm__ __volatile__ ("lw $18, %0" : : "m" (env[0].__regs[2])); + __asm__ __volatile__ ("lw $19, %0" : : "m" (env[0].__regs[3])); + __asm__ __volatile__ ("lw $20, %0" : : "m" (env[0].__regs[4])); + __asm__ __volatile__ ("lw $21, %0" : : "m" (env[0].__regs[5])); + __asm__ __volatile__ ("lw $22, %0" : : "m" (env[0].__regs[6])); + __asm__ __volatile__ ("lw $23, %0" : : "m" (env[0].__regs[7])); /* Get the PC. */ - asm volatile ("lw $25, %0" : : "m" (env[0].__pc)); + __asm__ __volatile__ ("lw $25, %0" : : "m" (env[0].__pc)); /* Restore the stack pointer and the FP. They have to be restored last and in a single asm as gcc, depending on options used, may use either of them to access env. */ - asm volatile ("lw $29, %0\n\t" + __asm__ __volatile__ ("lw $29, %0\n\t" "lw $30, %1\n\t" : : "m" (env[0].__sp), "m" (env[0].__fp)); /* Give setjmp 1 if given a 0, or what they gave us if non-zero. */ if (val == 0) - asm volatile ("li $2, 1"); + __asm__ __volatile__ ("li $2, 1"); else - asm volatile ("move $2, %0" : : "r" (val)); + __asm__ __volatile__ ("move $2, %0" : : "r" (val)); - asm volatile ("jr $25"); + __asm__ __volatile__ ("jr $25"); /* Avoid `volatile function does return' warnings. */ for (;;); } +libc_hidden_def(__longjmp) diff --git a/libc/sysdeps/linux/mips/bits/kernel_sigaction.h b/libc/sysdeps/linux/mips/bits/kernel_sigaction.h index b6f52cc9c..317e5b389 100644 --- a/libc/sysdeps/linux/mips/bits/kernel_sigaction.h +++ b/libc/sysdeps/linux/mips/bits/kernel_sigaction.h @@ -38,3 +38,6 @@ struct kernel_sigaction { void (*sa_restorer)(void); int s_resv[1]; /* reserved */ }; + +extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *__unbounded, + struct kernel_sigaction *__unbounded, size_t); diff --git a/libc/sysdeps/linux/mips/brk.c b/libc/sysdeps/linux/mips/brk.c index ba6765ca7..8d2b4ede1 100644 --- a/libc/sysdeps/linux/mips/brk.c +++ b/libc/sysdeps/linux/mips/brk.c @@ -21,9 +21,14 @@ #include <unistd.h> #include <sys/syscall.h> +libc_hidden_proto(brk) + +extern void *__curbrk; +libc_hidden_proto(__curbrk) void *__curbrk = 0; +libc_hidden_data_def(__curbrk) -int attribute_hidden __brk (void *addr) +int brk (void *addr) { void *newbrk; @@ -48,4 +53,4 @@ int attribute_hidden __brk (void *addr) return 0; } -strong_alias(__brk,brk) +libc_hidden_def(brk) diff --git a/libc/sysdeps/linux/mips/cacheflush.c b/libc/sysdeps/linux/mips/cacheflush.c index 18d7e467c..cd23e98d0 100644 --- a/libc/sysdeps/linux/mips/cacheflush.c +++ b/libc/sysdeps/linux/mips/cacheflush.c @@ -21,6 +21,6 @@ #include <sys/syscall.h> _syscall3(int, cacheflush, void *, addr, const int, nbytes, const int, op); -weak_alias(cacheflush, _flush_cache) +strong_alias(cacheflush, _flush_cache) _syscall3(int, cachectl, void *, addr, const int, nbytes, const int, op); diff --git a/libc/sysdeps/linux/mips/mmap.c b/libc/sysdeps/linux/mips/mmap.c index 25a3ef5bd..4e0897f45 100644 --- a/libc/sysdeps/linux/mips/mmap.c +++ b/libc/sysdeps/linux/mips/mmap.c @@ -1,9 +1,17 @@ /* Use new style mmap for mips */ +/* + * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + #include <unistd.h> #include <errno.h> #include <sys/mman.h> #include <sys/syscall.h> +libc_hidden_proto(mmap) + #if 0 /* For now, leave mmap using mmap1 since mmap2 seems * to have issues (i.e. it doesn't work 100% properly). @@ -14,7 +22,6 @@ #endif #endif -#define __NR___mmap __NR_mmap -attribute_hidden _syscall6 (__ptr_t, __mmap, __ptr_t, addr, size_t, len, int, prot, +_syscall6 (__ptr_t, mmap, __ptr_t, addr, size_t, len, int, prot, int, flags, int, fd, __off_t, offset); -strong_alias(__mmap,mmap) +libc_hidden_def(mmap) diff --git a/libc/sysdeps/linux/mips/pipe.S b/libc/sysdeps/linux/mips/pipe.S index 91c03dac5..488d9cfb9 100644 --- a/libc/sysdeps/linux/mips/pipe.S +++ b/libc/sysdeps/linux/mips/pipe.S @@ -7,9 +7,9 @@ #include <asm/unistd.h> #include <asm/regdef.h> - .globl __pipe - .ent __pipe, 0 -__pipe: + .globl pipe + .ent pipe, 0 +pipe: .frame sp, 24, sp #ifdef __PIC__ .set noreorder @@ -38,7 +38,6 @@ __pipe: 2: addiu sp,sp,24 j ra - .end __pipe - .size __pipe,.-__pipe + .end pipe + .size pipe,.-pipe libc_hidden_def(pipe) -weak_alias(__pipe, pipe) |