diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sh/sysdep.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sh/sysdep.h | 108 |
1 files changed, 92 insertions, 16 deletions
diff --git a/sysdeps/unix/sysv/linux/sh/sysdep.h b/sysdeps/unix/sysv/linux/sh/sysdep.h index 6024b9fdac..48189fa4a1 100644 --- a/sysdeps/unix/sysv/linux/sh/sysdep.h +++ b/sysdeps/unix/sysv/linux/sh/sysdep.h @@ -103,29 +103,105 @@ #define SYSCALL_ERROR_HANDLER /* Nothing here; code in sysdep.S is used. */ -#define SYSCALL_INST0 trapa #0 -#define SYSCALL_INST1 trapa #0 -#define SYSCALL_INST2 trapa #0 -#define SYSCALL_INST3 trapa #0 -#define SYSCALL_INST4 trapa #0 -#define SYSCALL_INST5 trapa #1 -#define SYSCALL_INST6 trapa #2 +#define SYSCALL_INST0 trapa #0x10 +#define SYSCALL_INST1 trapa #0x11 +#define SYSCALL_INST2 trapa #0x12 +#define SYSCALL_INST3 trapa #0x13 +#define SYSCALL_INST4 trapa #0x14 +#define SYSCALL_INST5 mov.l @(0,r15),r0; trapa #0x15 +#define SYSCALL_INST6 mov.l @(0,r15),r0; mov.l @(4,r15),r1; trapa #0x16 #undef DO_CALL -#define DO_CALL(args, syscall_name) \ - mov.l 1f,r0; \ - SYSCALL_INST##args; \ - bra 2f; \ - nop; \ - .align 2; \ - 1: .long SYS_ify(syscall_name); \ +#define DO_CALL(args, syscall_name) \ + mov.l 1f,r3; \ + SYSCALL_INST##args; \ + bra 2f; \ + nop; \ + .align 2; \ + 1: .long SYS_ify (syscall_name); \ 2: #else /* not __ASSEMBLER__ */ +#define SYSCALL_INST_STR0 "trapa #0x10\n\t" +#define SYSCALL_INST_STR1 "trapa #0x11\n\t" +#define SYSCALL_INST_STR2 "trapa #0x12\n\t" +#define SYSCALL_INST_STR3 "trapa #0x13\n\t" +#define SYSCALL_INST_STR4 "trapa #0x14\n\t" +#define SYSCALL_INST_STR5 "trapa #0x15\n\t" +#define SYSCALL_INST_STR6 "trapa #0x16\n\t" + +#define ASMFMT_0 +#define ASMFMT_1 \ + , "r" (r4) +#define ASMFMT_2 \ + , "r" (r4), "r" (r5) +#define ASMFMT_3 \ + , "r" (r4), "r" (r5), "r" (r6) +#define ASMFMT_4 \ + , "r" (r4), "r" (r5), "r" (r6), "r" (r7) +#define ASMFMT_5 \ + , "r" (r4), "r" (r5), "r" (r6), "r" (r7), "0" (r0) +#define ASMFMT_6 \ + , "r" (r4), "r" (r5), "r" (r6), "r" (r7), "0" (r0), "r" (r1) +#define ASMFMT_7 \ + , "r" (r4), "r" (r5), "r" (r6), "r" (r7), "0" (r0), "r" (r1), "r" (r2) + +#define SUBSTITUTE_ARGS_0() +#define SUBSTITUTE_ARGS_1(arg1) \ + register long r4 asm ("%r4") = (long)(arg1) +#define SUBSTITUTE_ARGS_2(arg1, arg2) \ + register long r4 asm ("%r4") = (long)(arg1); \ + register long r5 asm ("%r5") = (long)(arg2) +#define SUBSTITUTE_ARGS_3(arg1, arg2, arg3) \ + register long r4 asm ("%r4") = (long)(arg1); \ + register long r5 asm ("%r5") = (long)(arg2); \ + register long r6 asm ("%r6") = (long)(arg3) +#define SUBSTITUTE_ARGS_4(arg1, arg2, arg3, arg4) \ + register long r4 asm ("%r4") = (long)(arg1); \ + register long r5 asm ("%r5") = (long)(arg2); \ + register long r6 asm ("%r6") = (long)(arg3); \ + register long r7 asm ("%r7") = (long)(arg4) +#define SUBSTITUTE_ARGS_5(arg1, arg2, arg3, arg4, arg5) \ + register long r4 asm ("%r4") = (long)(arg1); \ + register long r5 asm ("%r5") = (long)(arg2); \ + register long r6 asm ("%r6") = (long)(arg3); \ + register long r7 asm ("%r7") = (long)(arg4); \ + register long r0 asm ("%r0") = (long)(arg5) +#define SUBSTITUTE_ARGS_6(arg1, arg2, arg3, arg4, arg5, arg6) \ + register long r4 asm ("%r4") = (long)(arg1); \ + register long r5 asm ("%r5") = (long)(arg2); \ + register long r6 asm ("%r6") = (long)(arg3); \ + register long r7 asm ("%r7") = (long)(arg4); \ + register long r0 asm ("%r0") = (long)(arg5); \ + register long r1 asm ("%r1") = (long)(arg6) +#define SUBSTITUTE_ARGS_7(arg1, arg2, arg3, arg4, arg5, arg6, arg7) \ + register long r4 asm ("%r4") = (long)(arg1); \ + register long r5 asm ("%r5") = (long)(arg2); \ + register long r6 asm ("%r6") = (long)(arg3); \ + register long r7 asm ("%r7") = (long)(arg4); \ + register long r0 asm ("%r0") = (long)(arg5) \ + register long r1 asm ("%r1") = (long)(arg6); \ + register long r2 asm ("%r2") = (long)(arg7) + #undef INLINE_SYSCALL -#define INLINE_SYSCALL(name, nr, args...) \ - __syscall_##name(args) +#define INLINE_SYSCALL(name, nr, args...) \ + ({ \ + unsigned long resultvar; \ + register long r3 asm ("%r3") = SYS_ify (name); \ + SUBSTITUTE_ARGS_##nr(args); \ + \ + asm volatile (SYSCALL_INST_STR##nr \ + : "=z" (resultvar) \ + : "r" (r3) ASMFMT_##nr \ + : "memory"); \ + \ + if (resultvar >= 0xfffff001) \ + { \ + __set_errno (-resultvar); \ + resultvar = 0xffffffff; \ + } \ + (int) resultvar; }) #endif /* __ASSEMBLER__ */ |