diff options
Diffstat (limited to 'src/runtime/sys_linux_amd64.s')
| -rw-r--r-- | src/runtime/sys_linux_amd64.s | 31 |
1 files changed, 11 insertions, 20 deletions
diff --git a/src/runtime/sys_linux_amd64.s b/src/runtime/sys_linux_amd64.s index 8d90813589..681cd20274 100644 --- a/src/runtime/sys_linux_amd64.s +++ b/src/runtime/sys_linux_amd64.s @@ -40,6 +40,7 @@ #define SYS_futex 202 #define SYS_sched_getaffinity 204 #define SYS_epoll_create 213 +#define SYS_clock_gettime 228 #define SYS_exit_group 231 #define SYS_epoll_ctl 233 #define SYS_tgkill 234 @@ -241,15 +242,15 @@ noswitch: SUBQ $16, SP // Space for results ANDQ $~15, SP // Align for C code + MOVL $0, DI // CLOCK_REALTIME + LEAQ 0(SP), SI MOVQ runtime·vdsoClockgettimeSym(SB), AX CMPQ AX, $0 JEQ fallback - MOVL $0, DI // CLOCK_REALTIME - LEAQ 0(SP), SI CALL AX +ret: MOVQ 0(SP), AX // sec MOVQ 8(SP), DX // nsec -ret: MOVQ R12, SP // Restore real SP // Restore vdsoPC, vdsoSP // We don't worry about being signaled between the two stores. @@ -264,13 +265,8 @@ ret: MOVL DX, nsec+8(FP) RET fallback: - LEAQ 0(SP), DI - MOVQ $0, SI - MOVQ runtime·vdsoGettimeofdaySym(SB), AX - CALL AX - MOVQ 0(SP), AX // sec - MOVL 8(SP), DX // usec - IMULQ $1000, DX + MOVQ $SYS_clock_gettime, AX + SYSCALL JMP ret // func nanotime1() int64 @@ -306,15 +302,15 @@ noswitch: SUBQ $16, SP // Space for results ANDQ $~15, SP // Align for C code + MOVL $1, DI // CLOCK_MONOTONIC + LEAQ 0(SP), SI MOVQ runtime·vdsoClockgettimeSym(SB), AX CMPQ AX, $0 JEQ fallback - MOVL $1, DI // CLOCK_MONOTONIC - LEAQ 0(SP), SI CALL AX +ret: MOVQ 0(SP), AX // sec MOVQ 8(SP), DX // nsec -ret: MOVQ R12, SP // Restore real SP // Restore vdsoPC, vdsoSP // We don't worry about being signaled between the two stores. @@ -332,13 +328,8 @@ ret: MOVQ AX, ret+0(FP) RET fallback: - LEAQ 0(SP), DI - MOVQ $0, SI - MOVQ runtime·vdsoGettimeofdaySym(SB), AX - CALL AX - MOVQ 0(SP), AX // sec - MOVL 8(SP), DX // usec - IMULQ $1000, DX + MOVQ $SYS_clock_gettime, AX + SYSCALL JMP ret TEXT runtime·rtsigprocmask(SB),NOSPLIT,$0-28 |