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author | Rich Felker <dalias@aerifal.cx> | 2014-11-22 21:06:40 -0500 |
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committer | Rich Felker <dalias@aerifal.cx> | 2014-11-22 21:06:40 -0500 |
commit | 0e971b0e3f4b9c99a7ce67b10d851fc885c188d5 (patch) | |
tree | 1c61dcfc922542bcc5a2638990ea787256622808 /arch/arm | |
parent | 7d310ed1d086d9874b7ca40933ff870a8adc75d9 (diff) | |
download | musl-0e971b0e3f4b9c99a7ce67b10d851fc885c188d5.zip musl-0e971b0e3f4b9c99a7ce67b10d851fc885c188d5.tar.gz musl-0e971b0e3f4b9c99a7ce67b10d851fc885c188d5.tar.bz2 |
inline 5- and 6-argument syscalls on arm
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/syscall_arch.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/arch/arm/syscall_arch.h b/arch/arm/syscall_arch.h index 845f2e4..c1c9466 100644 --- a/arch/arm/syscall_arch.h +++ b/arch/arm/syscall_arch.h @@ -54,10 +54,23 @@ static inline long __syscall4(long n, long a, long b, long c, long d) static inline long __syscall5(long n, long a, long b, long c, long d, long e) { - return (__syscall)(n, a, b, c, d, e); + register long r7 __asm__("r7") = n; + register long r0 __asm__("r0") = a; + register long r1 __asm__("r1") = b; + register long r2 __asm__("r2") = c; + register long r3 __asm__("r3") = d; + register long r4 __asm__("r4") = e; + __asm_syscall("r"(r7), "0"(r0), "r"(r1), "r"(r2), "r"(r3), "r"(r4)); } static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f) { - return (__syscall)(n, a, b, c, d, e, f); + register long r7 __asm__("r7") = n; + register long r0 __asm__("r0") = a; + register long r1 __asm__("r1") = b; + register long r2 __asm__("r2") = c; + register long r3 __asm__("r3") = d; + register long r4 __asm__("r4") = e; + register long r5 __asm__("r5") = f; + __asm_syscall("r"(r7), "0"(r0), "r"(r1), "r"(r2), "r"(r3), "r"(r4), "r"(r5)); } |