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path: root/src/pkg/runtime/sys_darwin_amd64.s
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Diffstat (limited to 'src/pkg/runtime/sys_darwin_amd64.s')
-rw-r--r--src/pkg/runtime/sys_darwin_amd64.s82
1 files changed, 43 insertions, 39 deletions
diff --git a/src/pkg/runtime/sys_darwin_amd64.s b/src/pkg/runtime/sys_darwin_amd64.s
index b324a0424..a0c81b5d2 100644
--- a/src/pkg/runtime/sys_darwin_amd64.s
+++ b/src/pkg/runtime/sys_darwin_amd64.s
@@ -12,9 +12,10 @@
//
#include "zasm_GOOS_GOARCH.h"
+#include "../../cmd/ld/textflag.h"
// Exit the entire program (like C exit)
-TEXT runtime·exit(SB),7,$0
+TEXT runtime·exit(SB),NOSPLIT,$0
MOVL 8(SP), DI // arg 1 exit status
MOVL $(0x2000000+1), AX // syscall entry
SYSCALL
@@ -23,14 +24,14 @@ TEXT runtime·exit(SB),7,$0
// Exit this OS thread (like pthread_exit, which eventually
// calls __bsdthread_terminate).
-TEXT runtime·exit1(SB),7,$0
+TEXT runtime·exit1(SB),NOSPLIT,$0
MOVL 8(SP), DI // arg 1 exit status
MOVL $(0x2000000+361), AX // syscall entry
SYSCALL
MOVL $0xf1, 0xf1 // crash
RET
-TEXT runtime·open(SB),7,$0
+TEXT runtime·open(SB),NOSPLIT,$0
MOVQ 8(SP), DI // arg 1 pathname
MOVL 16(SP), SI // arg 2 flags
MOVL 20(SP), DX // arg 3 mode
@@ -38,13 +39,13 @@ TEXT runtime·open(SB),7,$0
SYSCALL
RET
-TEXT runtime·close(SB),7,$0
+TEXT runtime·close(SB),NOSPLIT,$0
MOVL 8(SP), DI // arg 1 fd
MOVL $(0x2000000+6), AX // syscall entry
SYSCALL
RET
-TEXT runtime·read(SB),7,$0
+TEXT runtime·read(SB),NOSPLIT,$0
MOVL 8(SP), DI // arg 1 fd
MOVQ 16(SP), SI // arg 2 buf
MOVL 24(SP), DX // arg 3 count
@@ -52,7 +53,7 @@ TEXT runtime·read(SB),7,$0
SYSCALL
RET
-TEXT runtime·write(SB),7,$0
+TEXT runtime·write(SB),NOSPLIT,$0
MOVL 8(SP), DI // arg 1 fd
MOVQ 16(SP), SI // arg 2 buf
MOVL 24(SP), DX // arg 3 count
@@ -60,7 +61,7 @@ TEXT runtime·write(SB),7,$0
SYSCALL
RET
-TEXT runtime·raise(SB),7,$24
+TEXT runtime·raise(SB),NOSPLIT,$24
MOVL $(0x2000000+20), AX // getpid
SYSCALL
MOVQ AX, DI // arg 1 - pid
@@ -70,7 +71,7 @@ TEXT runtime·raise(SB),7,$24
SYSCALL
RET
-TEXT runtime·setitimer(SB), 7, $0
+TEXT runtime·setitimer(SB), NOSPLIT, $0
MOVL 8(SP), DI
MOVQ 16(SP), SI
MOVQ 24(SP), DX
@@ -78,7 +79,7 @@ TEXT runtime·setitimer(SB), 7, $0
SYSCALL
RET
-TEXT runtime·madvise(SB), 7, $0
+TEXT runtime·madvise(SB), NOSPLIT, $0
MOVQ 8(SP), DI // arg 1 addr
MOVQ 16(SP), SI // arg 2 len
MOVL 24(SP), DX // arg 3 advice
@@ -99,7 +100,7 @@ TEXT runtime·madvise(SB), 7, $0
#define gtod_sec_base 0x78
// int64 nanotime(void)
-TEXT runtime·nanotime(SB), 7, $32
+TEXT runtime·nanotime(SB), NOSPLIT, $32
MOVQ $0x7fffffe00000, BP /* comm page base */
// Loop trying to take a consistent snapshot
// of the time parameters.
@@ -149,7 +150,7 @@ systime:
RET
// func now() (sec int64, nsec int32)
-TEXT time·now(SB),7,$0
+TEXT time·now(SB),NOSPLIT,$0
CALL runtime·nanotime(SB)
// generated code for
@@ -167,7 +168,7 @@ TEXT time·now(SB),7,$0
MOVL CX, nsec+8(FP)
RET
-TEXT runtime·sigprocmask(SB),7,$0
+TEXT runtime·sigprocmask(SB),NOSPLIT,$0
MOVL 8(SP), DI
MOVQ 16(SP), SI
MOVQ 24(SP), DX
@@ -177,7 +178,7 @@ TEXT runtime·sigprocmask(SB),7,$0
MOVL $0xf1, 0xf1 // crash
RET
-TEXT runtime·sigaction(SB),7,$0
+TEXT runtime·sigaction(SB),NOSPLIT,$0
MOVL 8(SP), DI // arg 1 sig
MOVQ 16(SP), SI // arg 2 act
MOVQ 24(SP), DX // arg 3 oact
@@ -189,16 +190,20 @@ TEXT runtime·sigaction(SB),7,$0
MOVL $0xf1, 0xf1 // crash
RET
-TEXT runtime·sigtramp(SB),7,$64
+TEXT runtime·sigtramp(SB),NOSPLIT,$64
get_tls(BX)
+ MOVQ R8, 32(SP) // save ucontext
+ MOVQ SI, 40(SP) // save infostyle
+
// check that m exists
MOVQ m(BX), BP
CMPQ BP, $0
- JNE 4(PC)
+ JNE 5(PC)
MOVL DX, 0(SP)
- CALL runtime·badsignal(SB)
- RET
+ MOVQ $runtime·badsignal(SB), AX
+ CALL AX
+ JMP sigtramp_ret
// save g
MOVQ g(BX), R10
@@ -213,8 +218,6 @@ TEXT runtime·sigtramp(SB),7,$64
MOVQ R8, 16(SP)
MOVQ R10, 24(SP)
- MOVQ R8, 32(SP) // save ucontext
- MOVQ SI, 40(SP) // save infostyle
CALL DI
// restore g
@@ -222,6 +225,7 @@ TEXT runtime·sigtramp(SB),7,$64
MOVQ 48(SP), R10
MOVQ R10, g(BX)
+sigtramp_ret:
// call sigreturn
MOVL $(0x2000000+184), AX // sigreturn(ucontext, infostyle)
MOVQ 32(SP), DI // saved ucontext
@@ -229,7 +233,7 @@ TEXT runtime·sigtramp(SB),7,$64
SYSCALL
INT $3 // not reached
-TEXT runtime·mmap(SB),7,$0
+TEXT runtime·mmap(SB),NOSPLIT,$0
MOVQ 8(SP), DI // arg 1 addr
MOVQ 16(SP), SI // arg 2 len
MOVL 24(SP), DX // arg 3 prot
@@ -240,7 +244,7 @@ TEXT runtime·mmap(SB),7,$0
SYSCALL
RET
-TEXT runtime·munmap(SB),7,$0
+TEXT runtime·munmap(SB),NOSPLIT,$0
MOVQ 8(SP), DI // arg 1 addr
MOVQ 16(SP), SI // arg 2 len
MOVL $(0x2000000+73), AX // syscall entry
@@ -249,7 +253,7 @@ TEXT runtime·munmap(SB),7,$0
MOVL $0xf1, 0xf1 // crash
RET
-TEXT runtime·sigaltstack(SB),7,$0
+TEXT runtime·sigaltstack(SB),NOSPLIT,$0
MOVQ new+8(SP), DI
MOVQ old+16(SP), SI
MOVQ $(0x2000000+53), AX
@@ -258,7 +262,7 @@ TEXT runtime·sigaltstack(SB),7,$0
MOVL $0xf1, 0xf1 // crash
RET
-TEXT runtime·usleep(SB),7,$16
+TEXT runtime·usleep(SB),NOSPLIT,$16
MOVL $0, DX
MOVL usec+0(FP), AX
MOVL $1000000, CX
@@ -277,7 +281,7 @@ TEXT runtime·usleep(SB),7,$16
RET
// void bsdthread_create(void *stk, M *mp, G *gp, void (*fn)(void))
-TEXT runtime·bsdthread_create(SB),7,$0
+TEXT runtime·bsdthread_create(SB),NOSPLIT,$0
// Set up arguments to bsdthread_create system call.
// The ones in quotes pass through to the thread callback
// uninterpreted, so we can put whatever we want there.
@@ -305,7 +309,7 @@ TEXT runtime·bsdthread_create(SB),7,$0
// R8 = stack
// R9 = flags (= 0)
// SP = stack - C_64_REDZONE_LEN (= stack - 128)
-TEXT runtime·bsdthread_start(SB),7,$0
+TEXT runtime·bsdthread_start(SB),NOSPLIT,$0
MOVQ R8, SP // empirically, SP is very wrong but R8 is right
PUSHQ DX
@@ -333,7 +337,7 @@ TEXT runtime·bsdthread_start(SB),7,$0
// void bsdthread_register(void)
// registers callbacks for threadstart (see bsdthread_create above
// and wqthread and pthsize (not used). returns 0 on success.
-TEXT runtime·bsdthread_register(SB),7,$0
+TEXT runtime·bsdthread_register(SB),NOSPLIT,$0
MOVQ $runtime·bsdthread_start(SB), DI // threadstart
MOVQ $0, SI // wqthread, not used by us
MOVQ $0, DX // pthsize, not used by us
@@ -351,7 +355,7 @@ TEXT runtime·bsdthread_register(SB),7,$0
// Mach system calls use 0x1000000 instead of the BSD's 0x2000000.
// uint32 mach_msg_trap(void*, uint32, uint32, uint32, uint32, uint32, uint32)
-TEXT runtime·mach_msg_trap(SB),7,$0
+TEXT runtime·mach_msg_trap(SB),NOSPLIT,$0
MOVQ 8(SP), DI
MOVL 16(SP), SI
MOVL 20(SP), DX
@@ -365,17 +369,17 @@ TEXT runtime·mach_msg_trap(SB),7,$0
POPQ R11
RET
-TEXT runtime·mach_task_self(SB),7,$0
+TEXT runtime·mach_task_self(SB),NOSPLIT,$0
MOVL $(0x1000000+28), AX // task_self_trap
SYSCALL
RET
-TEXT runtime·mach_thread_self(SB),7,$0
+TEXT runtime·mach_thread_self(SB),NOSPLIT,$0
MOVL $(0x1000000+27), AX // thread_self_trap
SYSCALL
RET
-TEXT runtime·mach_reply_port(SB),7,$0
+TEXT runtime·mach_reply_port(SB),NOSPLIT,$0
MOVL $(0x1000000+26), AX // mach_reply_port
SYSCALL
RET
@@ -384,14 +388,14 @@ TEXT runtime·mach_reply_port(SB),7,$0
// instead of requiring the use of RPC.
// uint32 mach_semaphore_wait(uint32)
-TEXT runtime·mach_semaphore_wait(SB),7,$0
+TEXT runtime·mach_semaphore_wait(SB),NOSPLIT,$0
MOVL 8(SP), DI
MOVL $(0x1000000+36), AX // semaphore_wait_trap
SYSCALL
RET
// uint32 mach_semaphore_timedwait(uint32, uint32, uint32)
-TEXT runtime·mach_semaphore_timedwait(SB),7,$0
+TEXT runtime·mach_semaphore_timedwait(SB),NOSPLIT,$0
MOVL 8(SP), DI
MOVL 12(SP), SI
MOVL 16(SP), DX
@@ -400,21 +404,21 @@ TEXT runtime·mach_semaphore_timedwait(SB),7,$0
RET
// uint32 mach_semaphore_signal(uint32)
-TEXT runtime·mach_semaphore_signal(SB),7,$0
+TEXT runtime·mach_semaphore_signal(SB),NOSPLIT,$0
MOVL 8(SP), DI
MOVL $(0x1000000+33), AX // semaphore_signal_trap
SYSCALL
RET
// uint32 mach_semaphore_signal_all(uint32)
-TEXT runtime·mach_semaphore_signal_all(SB),7,$0
+TEXT runtime·mach_semaphore_signal_all(SB),NOSPLIT,$0
MOVL 8(SP), DI
MOVL $(0x1000000+34), AX // semaphore_signal_all_trap
SYSCALL
RET
// set tls base to DI
-TEXT runtime·settls(SB),7,$32
+TEXT runtime·settls(SB),NOSPLIT,$32
/*
* Same as in sys_darwin_386.s:/ugliness, different constant.
* See cgo/gcc_darwin_amd64.c for the derivation
@@ -426,7 +430,7 @@ TEXT runtime·settls(SB),7,$32
SYSCALL
RET
-TEXT runtime·sysctl(SB),7,$0
+TEXT runtime·sysctl(SB),NOSPLIT,$0
MOVQ 8(SP), DI
MOVL 16(SP), SI
MOVQ 24(SP), DX
@@ -442,7 +446,7 @@ TEXT runtime·sysctl(SB),7,$0
RET
// int32 runtime·kqueue(void);
-TEXT runtime·kqueue(SB),7,$0
+TEXT runtime·kqueue(SB),NOSPLIT,$0
MOVQ $0, DI
MOVQ $0, SI
MOVQ $0, DX
@@ -453,7 +457,7 @@ TEXT runtime·kqueue(SB),7,$0
RET
// int32 runtime·kevent(int kq, Kevent *changelist, int nchanges, Kevent *eventlist, int nevents, Timespec *timeout);
-TEXT runtime·kevent(SB),7,$0
+TEXT runtime·kevent(SB),NOSPLIT,$0
MOVL 8(SP), DI
MOVQ 16(SP), SI
MOVL 24(SP), DX
@@ -467,7 +471,7 @@ TEXT runtime·kevent(SB),7,$0
RET
// void runtime·closeonexec(int32 fd);
-TEXT runtime·closeonexec(SB),7,$0
+TEXT runtime·closeonexec(SB),NOSPLIT,$0
MOVL 8(SP), DI // fd
MOVQ $2, SI // F_SETFD
MOVQ $1, DX // FD_CLOEXEC
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-01 16:37:50 +0000