diff options
Diffstat (limited to 'arch/mips64/syscall_arch.h')
-rw-r--r-- | arch/mips64/syscall_arch.h | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/arch/mips64/syscall_arch.h b/arch/mips64/syscall_arch.h new file mode 100644 index 0000000..1bd6c18 --- /dev/null +++ b/arch/mips64/syscall_arch.h @@ -0,0 +1,281 @@ +#define __SYSCALL_LL_E(x) (x) +#define __SYSCALL_LL_O(x) (x) + +__attribute__((visibility("hidden"))) +long (__syscall)(long, ...); + +#define SYSCALL_RLIM_INFINITY (-1UL/2) + +#include <sys/stat.h> +struct kernel_stat { + unsigned int st_dev; + unsigned int __pad1[3]; + unsigned long long st_ino; + unsigned int st_mode; + unsigned int st_nlink; + int st_uid; + int st_gid; + unsigned int st_rdev; + unsigned int __pad2[3]; + long long st_size; + unsigned int st_atime_sec; + unsigned int st_atime_nsec; + unsigned int st_mtime_sec; + unsigned int st_mtime_nsec; + unsigned int st_ctime_sec; + unsigned int st_ctime_nsec; + unsigned int st_blksize; + unsigned int __pad3; + unsigned long long st_blocks; +}; + +static void __stat_fix(struct kernel_stat *kst, struct stat *st) +{ + st->st_dev = kst->st_dev; + st->st_ino = kst->st_ino; + st->st_mode = kst->st_mode; + st->st_nlink = kst->st_nlink; + st->st_uid = kst->st_uid; + st->st_gid = kst->st_gid; + st->st_rdev = kst->st_rdev; + st->st_size = kst->st_size; + st->st_atim.tv_sec = kst->st_atime_sec; + st->st_atim.tv_nsec = kst->st_atime_nsec; + st->st_mtim.tv_sec = kst->st_mtime_sec; + st->st_mtim.tv_nsec = kst->st_mtime_nsec; + st->st_ctim.tv_sec = kst->st_ctime_sec; + st->st_ctim.tv_nsec = kst->st_ctime_nsec; + st->st_blksize = kst->st_blksize; + st->st_blocks = kst->st_blocks; +} + +#ifndef __clang__ + +static inline long __syscall0(long n) +{ + register long r7 __asm__("$7"); + register long r2 __asm__("$2"); + __asm__ __volatile__ ( + "daddu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7) + : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", + "$14", "$15", "$24", "$25", "hi", "lo", "memory"); + return r7 ? -r2 : r2; +} + +static inline long __syscall1(long n, long a) +{ + register long r4 __asm__("$4") = a; + register long r7 __asm__("$7"); + register long r2 __asm__("$2"); + __asm__ __volatile__ ( + "daddu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7), + "r"(r4) + : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", + "$14", "$15", "$24", "$25", "hi", "lo", "memory"); + return r7 ? -r2 : r2; +} + +static inline long __syscall2(long n, long a, long b) +{ + struct kernel_stat kst; + long ret; + register long r4 __asm__("$4"); + register long r5 __asm__("$5"); + register long r7 __asm__("$7"); + register long r2 __asm__("$2"); + + r5 = b; + if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) + r5 = (long) &kst; + + r4 = a; + __asm__ __volatile__ ( + "daddu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7), + "r"(r4), "r"(r5) + : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", + "$14", "$15", "$24", "$25", "hi", "lo", "memory"); + + if (r7) return -r2; + ret = r2; + + if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) + __stat_fix(&kst, (struct stat *)b); + + return ret; +} + +static inline long __syscall3(long n, long a, long b, long c) +{ + struct kernel_stat kst; + long ret; + register long r4 __asm__("$4"); + register long r5 __asm__("$5"); + register long r6 __asm__("$6"); + register long r7 __asm__("$7"); + register long r2 __asm__("$2"); + + r5 = b; + if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) + r5 = (long) &kst; + + r4 = a; + r6 = c; + __asm__ __volatile__ ( + "daddu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7), + "r"(r4), "r"(r5), "r"(r6) + : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", + "$14", "$15", "$24", "$25", "hi", "lo", "memory"); + + if (r7) return -r2; + ret = r2; + + if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) + __stat_fix(&kst, (struct stat *)b); + + return ret; +} + +static inline long __syscall4(long n, long a, long b, long c, long d) +{ + struct kernel_stat kst; + long ret; + register long r4 __asm__("$4"); + register long r5 __asm__("$5"); + register long r6 __asm__("$6"); + register long r7 __asm__("$7"); + register long r2 __asm__("$2"); + + r5 = b; + if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) + r5 = (long) &kst; + + r4 = a; + r6 = c; + r7 = d; + __asm__ __volatile__ ( + "daddu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7), + "r"(r4), "r"(r5), "r"(r6) + : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", + "$14", "$15", "$24", "$25", "hi", "lo", "memory"); + + if (r7) return -r2; + ret = r2; + + if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) + __stat_fix(&kst, (struct stat *)b); + + return ret; +} + +#else + +static inline long __syscall0(long n) +{ + return (__syscall)(n); +} + +static inline long __syscall1(long n, long a) +{ + return (__syscall)(n, a); +} + +static inline long __syscall2(long n, long a, long b) +{ + long r2; + long old_b = b; + struct kernel_stat kst; + + if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) + b = (long) &kst; + + r2 = (__syscall)(n, a, b); + if (r2 > -4096UL) return r2; + + if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) + __stat_fix(&kst, (struct stat *)old_b); + + return r2; +} + +static inline long __syscall3(long n, long a, long b, long c) +{ + long r2; + long old_b = b; + struct kernel_stat kst; + + if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) + b = (long) &kst; + + r2 = (__syscall)(n, a, b, c); + if (r2 > -4096UL) return r2; + + if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) + __stat_fix(&kst, (struct stat *)old_b); + + return r2; +} + +static inline long __syscall4(long n, long a, long b, long c, long d) +{ + long r2; + long old_b = b; + struct kernel_stat kst; + + if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) + b = (long) &kst; + + r2 = (__syscall)(n, a, b, c, d); + if (r2 > -4096UL) return r2; + + if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) + __stat_fix(&kst, (struct stat *)old_b); + + return r2; +} + +#endif + +static inline long __syscall5(long n, long a, long b, long c, long d, long e) +{ + long r2; + long old_b = b; + struct kernel_stat kst; + + if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) + b = (long) &kst; + + r2 = (__syscall)(n, a, b, c, d, e); + if (r2 > -4096UL) return r2; + + if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) + __stat_fix(&kst, (struct stat *)old_b); + + return r2; +} + +static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f) +{ + long r2; + long old_b = b; + struct kernel_stat kst; + + if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) + b = (long) &kst; + + r2 = (__syscall)(n, a, b, c, d, e, f); + if (r2 > -4096UL) return r2; + + if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) + __stat_fix(&kst, (struct stat *)old_b); + + return r2; +} + +#define VDSO_USEFUL +#define VDSO_CGT_SYM "__vdso_clock_gettime" +#define VDSO_CGT_VER "LINUX_2.6" |