diff options
Diffstat (limited to 'src/runtime/sys_darwin_arm64.s')
| -rw-r--r-- | src/runtime/sys_darwin_arm64.s | 92 |
1 files changed, 77 insertions, 15 deletions
diff --git a/src/runtime/sys_darwin_arm64.s b/src/runtime/sys_darwin_arm64.s index 585d4f2c64..96d2ed1076 100644 --- a/src/runtime/sys_darwin_arm64.s +++ b/src/runtime/sys_darwin_arm64.s @@ -10,6 +10,8 @@ #include "go_tls.h" #include "textflag.h" +#define CLOCK_REALTIME 0 + TEXT notok<>(SB),NOSPLIT,$0 MOVD $0, R8 MOVD R8, (R8) @@ -118,6 +120,12 @@ TEXT runtime·madvise_trampoline(SB),NOSPLIT,$0 BL libc_madvise(SB) RET +TEXT runtime·mlock_trampoline(SB),NOSPLIT,$0 + MOVD 8(R0), R1 // arg 2 len + MOVD 0(R0), R0 // arg 1 addr + BL libc_mlock(SB) + RET + TEXT runtime·setitimer_trampoline(SB),NOSPLIT,$0 MOVD 8(R0), R1 // arg 2 new MOVD 16(R0), R2 // arg 3 old @@ -126,9 +134,9 @@ TEXT runtime·setitimer_trampoline(SB),NOSPLIT,$0 RET TEXT runtime·walltime_trampoline(SB),NOSPLIT,$0 - // R0 already has *timeval - MOVD $0, R1 // no timezone needed - BL libc_gettimeofday(SB) + MOVD R0, R1 // arg 2 timespec + MOVW $CLOCK_REALTIME, R0 // arg 1 clock_id + BL libc_clock_gettime(SB) RET GLOBL timebase<>(SB),NOPTR,$(machTimebaseInfo__size) @@ -197,11 +205,9 @@ TEXT runtime·sigtramp(SB),NOSPLIT,$192 // this might be called in external code context, // where g is not set. - MOVB runtime·iscgo(SB), R0 - CMP $0, R0 - BEQ 2(PC) BL runtime·load_g(SB) +#ifdef GOOS_ios MOVD RSP, R6 CMP $0, g BEQ nog @@ -226,16 +232,21 @@ nog: // Switch to gsignal stack. MOVD R6, RSP - // Call sigtrampgo. + // Save arguments. MOVW R0, (8*1)(RSP) MOVD R1, (8*2)(RSP) MOVD R2, (8*3)(RSP) +#endif + + // Call sigtrampgo. MOVD $runtime·sigtrampgo(SB), R11 BL (R11) +#ifdef GOOS_ios // Switch to old stack. MOVD (8*4)(RSP), R5 MOVD R5, RSP +#endif // Restore callee-save registers. MOVD (8*4)(RSP), R19 @@ -290,14 +301,24 @@ TEXT runtime·usleep_trampoline(SB),NOSPLIT,$0 TEXT runtime·sysctl_trampoline(SB),NOSPLIT,$0 MOVW 8(R0), R1 // arg 2 miblen - MOVD 16(R0), R2 // arg 3 out - MOVD 24(R0), R3 // arg 4 size - MOVD 32(R0), R4 // arg 5 dst - MOVD 40(R0), R5 // arg 6 ndst + MOVD 16(R0), R2 // arg 3 oldp + MOVD 24(R0), R3 // arg 4 oldlenp + MOVD 32(R0), R4 // arg 5 newp + MOVD 40(R0), R5 // arg 6 newlen MOVD 0(R0), R0 // arg 1 mib BL libc_sysctl(SB) RET +TEXT runtime·sysctlbyname_trampoline(SB),NOSPLIT,$0 + MOVD 8(R0), R1 // arg 2 oldp + MOVD 16(R0), R2 // arg 3 oldlenp + MOVD 24(R0), R3 // arg 4 newp + MOVD 32(R0), R4 // arg 5 newlen + MOVD 0(R0), R0 // arg 1 name + BL libc_sysctlbyname(SB) + RET + + TEXT runtime·kqueue_trampoline(SB),NOSPLIT,$0 BL libc_kqueue(SB) RET @@ -329,12 +350,20 @@ TEXT runtime·fcntl_trampoline(SB),NOSPLIT,$0 ADD $16, RSP RET -// sigaltstack on iOS is not supported and will always -// run the signal handler on the main stack, so our sigtramp has -// to do the stack switch ourselves. TEXT runtime·sigaltstack_trampoline(SB),NOSPLIT,$0 +#ifdef GOOS_ios + // sigaltstack on iOS is not supported and will always + // run the signal handler on the main stack, so our sigtramp has + // to do the stack switch ourselves. MOVW $43, R0 BL libc_exit(SB) +#else + MOVD 8(R0), R1 // arg 2 old + MOVD 0(R0), R0 // arg 1 new + CALL libc_sigaltstack(SB) + CBZ R0, 2(PC) + BL notok<>(SB) +#endif RET // Thread related functions @@ -367,7 +396,8 @@ TEXT runtime·mstart_stub(SB),NOSPLIT,$160 FMOVD F14, 144(RSP) FMOVD F15, 152(RSP) - MOVD m_g0(R0), g + MOVD m_g0(R0), g + BL ·save_g(SB) BL runtime·mstart(SB) @@ -483,6 +513,18 @@ TEXT runtime·pthread_kill_trampoline(SB),NOSPLIT,$0 BL libc_pthread_kill(SB) RET +TEXT runtime·pthread_key_create_trampoline(SB),NOSPLIT,$0 + MOVD 8(R0), R1 // arg 2 destructor + MOVD 0(R0), R0 // arg 1 *key + BL libc_pthread_key_create(SB) + RET + +TEXT runtime·pthread_setspecific_trampoline(SB),NOSPLIT,$0 + MOVD 8(R0), R1 // arg 2 value + MOVD 0(R0), R0 // arg 1 key + BL libc_pthread_setspecific(SB) + RET + // syscall calls a function in libc on behalf of the syscall package. // syscall takes a pointer to a struct like: // struct { @@ -693,3 +735,23 @@ TEXT runtime·syscall6X(SB),NOSPLIT,$0 MOVD R0, 72(R2) // save err ok: RET + +// syscallNoErr is like syscall6 but does not check for errors, and +// only returns one value, for use with standard C ABI library functions. +TEXT runtime·syscallNoErr(SB),NOSPLIT,$0 + SUB $16, RSP // push structure pointer + MOVD R0, (RSP) + + MOVD 0(R0), R12 // fn + MOVD 16(R0), R1 // a2 + MOVD 24(R0), R2 // a3 + MOVD 32(R0), R3 // a4 + MOVD 40(R0), R4 // a5 + MOVD 48(R0), R5 // a6 + MOVD 8(R0), R0 // a1 + BL (R12) + + MOVD (RSP), R2 // pop structure pointer + ADD $16, RSP + MOVD R0, 56(R2) // save r1 + RET |