diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/mips/mips32/sysdep.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/mips32/sysdep.h | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h b/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h index 0c6a83e9b3..78534a5799 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h +++ b/sysdeps/unix/sysv/linux/mips/mips32/sysdep.h @@ -61,13 +61,14 @@ result_var; }) #undef INTERNAL_SYSCALL_DECL -#define INTERNAL_SYSCALL_DECL(err) long int err __attribute__ ((unused)) +#define INTERNAL_SYSCALL_DECL(err) do { } while (0) #undef INTERNAL_SYSCALL_ERROR_P -#define INTERNAL_SYSCALL_ERROR_P(val, err) ((void) (val), (long int) (err)) +#define INTERNAL_SYSCALL_ERROR_P(val, err) \ + ((unsigned long int) (val) > -4096UL) #undef INTERNAL_SYSCALL_ERRNO -#define INTERNAL_SYSCALL_ERRNO(val, err) ((void) (err), val) +#define INTERNAL_SYSCALL_ERRNO(val, err) (-(val)) /* Note that the original Linux syscall restart convention required the instruction immediately preceding SYSCALL to initialize $v0 with the @@ -128,7 +129,6 @@ union __mips_syscall_return ({ \ union __mips_syscall_return _sc_ret; \ _sc_ret.val = __mips16_syscall##nr (args, number); \ - err = _sc_ret.reg.v1; \ _sc_ret.reg.v0; \ }) @@ -167,8 +167,7 @@ union __mips_syscall_return : "=r" (__v0), "=r" (__a3) \ : input \ : __SYSCALL_CLOBBERS); \ - err = __a3; \ - _sys_result = __v0; \ + _sys_result = __a3 != 0 ? -__v0 : __v0; \ } \ _sys_result; \ }) @@ -192,8 +191,7 @@ union __mips_syscall_return : "=r" (__v0), "=r" (__a3) \ : input, "r" (__a0) \ : __SYSCALL_CLOBBERS); \ - err = __a3; \ - _sys_result = __v0; \ + _sys_result = __a3 != 0 ? -__v0 : __v0; \ } \ _sys_result; \ }) @@ -219,8 +217,7 @@ union __mips_syscall_return : "=r" (__v0), "=r" (__a3) \ : input, "r" (__a0), "r" (__a1) \ : __SYSCALL_CLOBBERS); \ - err = __a3; \ - _sys_result = __v0; \ + _sys_result = __a3 != 0 ? -__v0 : __v0; \ } \ _sys_result; \ }) @@ -249,8 +246,7 @@ union __mips_syscall_return : "=r" (__v0), "=r" (__a3) \ : input, "r" (__a0), "r" (__a1), "r" (__a2) \ : __SYSCALL_CLOBBERS); \ - err = __a3; \ - _sys_result = __v0; \ + _sys_result = __a3 != 0 ? -__v0 : __v0; \ } \ _sys_result; \ }) @@ -280,8 +276,7 @@ union __mips_syscall_return : "=r" (__v0), "+r" (__a3) \ : input, "r" (__a0), "r" (__a1), "r" (__a2) \ : __SYSCALL_CLOBBERS); \ - err = __a3; \ - _sys_result = __v0; \ + _sys_result = __a3 != 0 ? -__v0 : __v0; \ } \ _sys_result; \ }) @@ -311,8 +306,7 @@ libc_hidden_proto (__mips_syscall5, nomips16) (long int) (arg4), \ (long int) (arg5), \ (long int) (number)); \ - err = _sc_ret.reg.v1; \ - _sc_ret.reg.v0; \ + _sc_ret.reg.v1 != 0 ? -_sc_ret.reg.v0 : _sc_ret.reg.v0; \ }) long long int __nomips16 __mips_syscall6 (long int arg1, long int arg2, @@ -332,8 +326,7 @@ libc_hidden_proto (__mips_syscall6, nomips16) (long int) (arg5), \ (long int) (arg6), \ (long int) (number)); \ - err = _sc_ret.reg.v1; \ - _sc_ret.reg.v0; \ + _sc_ret.reg.v1 != 0 ? -_sc_ret.reg.v0 : _sc_ret.reg.v0; \ }) long long int __nomips16 __mips_syscall7 (long int arg1, long int arg2, @@ -355,8 +348,7 @@ libc_hidden_proto (__mips_syscall7, nomips16) (long int) (arg6), \ (long int) (arg7), \ (long int) (number)); \ - err = _sc_ret.reg.v1; \ - _sc_ret.reg.v0; \ + _sc_ret.reg.v1 != 0 ? -_sc_ret.reg.v0 : _sc_ret.reg.v0; \ }) #if __mips_isa_rev >= 6 |