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Diffstat (limited to 'src/pkg/runtime/sys_openbsd_386.s')
-rw-r--r--src/pkg/runtime/sys_openbsd_386.s90
1 files changed, 61 insertions, 29 deletions
diff --git a/src/pkg/runtime/sys_openbsd_386.s b/src/pkg/runtime/sys_openbsd_386.s
index 37b6ff215..e1ec5337a 100644
--- a/src/pkg/runtime/sys_openbsd_386.s
+++ b/src/pkg/runtime/sys_openbsd_386.s
@@ -7,15 +7,16 @@
//
#include "zasm_GOOS_GOARCH.h"
+#include "../../cmd/ld/textflag.h"
// Exit the entire program (like C exit)
-TEXT runtime·exit(SB),7,$-4
+TEXT runtime·exit(SB),NOSPLIT,$-4
MOVL $1, AX
INT $0x80
MOVL $0xf1, 0xf1 // crash
RET
-TEXT runtime·exit1(SB),7,$8
+TEXT runtime·exit1(SB),NOSPLIT,$8
MOVL $0, 0(SP)
MOVL $0, 4(SP) // arg 1 - notdead
MOVL $302, AX // sys___threxit
@@ -24,27 +25,27 @@ TEXT runtime·exit1(SB),7,$8
MOVL $0xf1, 0xf1 // crash
RET
-TEXT runtime·open(SB),7,$-4
+TEXT runtime·open(SB),NOSPLIT,$-4
MOVL $5, AX
INT $0x80
RET
-TEXT runtime·close(SB),7,$-4
+TEXT runtime·close(SB),NOSPLIT,$-4
MOVL $6, AX
INT $0x80
RET
-TEXT runtime·read(SB),7,$-4
+TEXT runtime·read(SB),NOSPLIT,$-4
MOVL $3, AX
INT $0x80
RET
-TEXT runtime·write(SB),7,$-4
+TEXT runtime·write(SB),NOSPLIT,$-4
MOVL $4, AX // sys_write
INT $0x80
RET
-TEXT runtime·usleep(SB),7,$20
+TEXT runtime·usleep(SB),NOSPLIT,$20
MOVL $0, DX
MOVL usec+0(FP), AX
MOVL $1000000, CX
@@ -62,7 +63,7 @@ TEXT runtime·usleep(SB),7,$20
INT $0x80
RET
-TEXT runtime·raise(SB),7,$12
+TEXT runtime·raise(SB),NOSPLIT,$12
MOVL $299, AX // sys_getthrid
INT $0x80
MOVL $0, 0(SP)
@@ -73,7 +74,7 @@ TEXT runtime·raise(SB),7,$12
INT $0x80
RET
-TEXT runtime·mmap(SB),7,$36
+TEXT runtime·mmap(SB),NOSPLIT,$36
LEAL arg0+0(FP), SI
LEAL 4(SP), DI
CLD
@@ -91,27 +92,27 @@ TEXT runtime·mmap(SB),7,$36
INT $0x80
RET
-TEXT runtime·munmap(SB),7,$-4
+TEXT runtime·munmap(SB),NOSPLIT,$-4
MOVL $73, AX // sys_munmap
INT $0x80
JAE 2(PC)
MOVL $0xf1, 0xf1 // crash
RET
-TEXT runtime·madvise(SB),7,$-4
+TEXT runtime·madvise(SB),NOSPLIT,$-4
MOVL $75, AX // sys_madvise
INT $0x80
JAE 2(PC)
MOVL $0xf1, 0xf1 // crash
RET
-TEXT runtime·setitimer(SB),7,$-4
+TEXT runtime·setitimer(SB),NOSPLIT,$-4
MOVL $83, AX
INT $0x80
RET
// func now() (sec int64, nsec int32)
-TEXT time·now(SB), 7, $32
+TEXT time·now(SB), NOSPLIT, $32
MOVL $232, AX
LEAL 12(SP), BX
MOVL $0, 4(SP)
@@ -128,7 +129,7 @@ TEXT time·now(SB), 7, $32
// int64 nanotime(void) so really
// void nanotime(int64 *nsec)
-TEXT runtime·nanotime(SB),7,$32
+TEXT runtime·nanotime(SB),NOSPLIT,$32
MOVL $232, AX
LEAL 12(SP), BX
MOVL $0, 4(SP)
@@ -149,14 +150,14 @@ TEXT runtime·nanotime(SB),7,$32
MOVL DX, 4(DI)
RET
-TEXT runtime·sigaction(SB),7,$-4
+TEXT runtime·sigaction(SB),NOSPLIT,$-4
MOVL $46, AX // sys_sigaction
INT $0x80
JAE 2(PC)
MOVL $0xf1, 0xf1 // crash
RET
-TEXT runtime·sigprocmask(SB),7,$-4
+TEXT runtime·sigprocmask(SB),NOSPLIT,$-4
MOVL $48, AX // sys_sigprocmask
INT $0x80
JAE 2(PC)
@@ -164,17 +165,18 @@ TEXT runtime·sigprocmask(SB),7,$-4
MOVL AX, oset+0(FP)
RET
-TEXT runtime·sigtramp(SB),7,$44
+TEXT runtime·sigtramp(SB),NOSPLIT,$44
get_tls(CX)
// check that m exists
MOVL m(CX), BX
CMPL BX, $0
- JNE 5(PC)
+ JNE 6(PC)
MOVL signo+0(FP), BX
MOVL BX, 0(SP)
- CALL runtime·badsignal(SB)
- RET
+ MOVL $runtime·badsignal(SB), AX
+ CALL AX
+ JMP sigtramp_ret
// save g
MOVL g(CX), DI
@@ -199,7 +201,8 @@ TEXT runtime·sigtramp(SB),7,$44
get_tls(CX)
MOVL 20(SP), BX
MOVL BX, g(CX)
-
+
+sigtramp_ret:
// call sigreturn
MOVL context+8(FP), AX
MOVL $0, 0(SP) // syscall gap
@@ -210,7 +213,7 @@ TEXT runtime·sigtramp(SB),7,$44
RET
// int32 tfork(void *param, uintptr psize, M *mp, G *gp, void (*fn)(void));
-TEXT runtime·tfork(SB),7,$12
+TEXT runtime·tfork(SB),NOSPLIT,$12
// Copy mp, gp and fn from the parent stack onto the child stack.
MOVL params+4(FP), AX
@@ -287,7 +290,7 @@ TEXT runtime·tfork(SB),7,$12
MOVL $0x1234, 0x1005
RET
-TEXT runtime·sigaltstack(SB),7,$-8
+TEXT runtime·sigaltstack(SB),NOSPLIT,$-8
MOVL $288, AX // sys_sigaltstack
MOVL new+4(SP), BX
MOVL old+8(SP), CX
@@ -297,14 +300,14 @@ TEXT runtime·sigaltstack(SB),7,$-8
INT $3
RET
-TEXT runtime·setldt(SB),7,$4
+TEXT runtime·setldt(SB),NOSPLIT,$4
// Under OpenBSD we set the GS base instead of messing with the LDT.
MOVL tls0+4(FP), AX
MOVL AX, 0(SP)
CALL runtime·settls(SB)
RET
-TEXT runtime·settls(SB),7,$8
+TEXT runtime·settls(SB),NOSPLIT,$8
// adjust for ELF: wants to use -8(GS) and -4(GS) for g and m
MOVL tlsbase+0(FP), CX
ADDL $8, CX
@@ -316,22 +319,22 @@ TEXT runtime·settls(SB),7,$8
MOVL $0xf1, 0xf1 // crash
RET
-TEXT runtime·osyield(SB),7,$-4
+TEXT runtime·osyield(SB),NOSPLIT,$-4
MOVL $298, AX // sys_sched_yield
INT $0x80
RET
-TEXT runtime·thrsleep(SB),7,$-4
+TEXT runtime·thrsleep(SB),NOSPLIT,$-4
MOVL $300, AX // sys___thrsleep
INT $0x80
RET
-TEXT runtime·thrwakeup(SB),7,$-4
+TEXT runtime·thrwakeup(SB),NOSPLIT,$-4
MOVL $301, AX // sys___thrwakeup
INT $0x80
RET
-TEXT runtime·sysctl(SB),7,$28
+TEXT runtime·sysctl(SB),NOSPLIT,$28
LEAL arg0+0(FP), SI
LEAL 4(SP), DI
CLD
@@ -349,4 +352,33 @@ TEXT runtime·sysctl(SB),7,$28
MOVL $0, AX
RET
+// int32 runtime·kqueue(void);
+TEXT runtime·kqueue(SB),NOSPLIT,$0
+ MOVL $269, AX
+ INT $0x80
+ JAE 2(PC)
+ NEGL AX
+ RET
+
+// int32 runtime·kevent(int kq, Kevent *changelist, int nchanges, Kevent *eventlist, int nevents, Timespec *timeout);
+TEXT runtime·kevent(SB),NOSPLIT,$0
+ MOVL $270, AX
+ INT $0x80
+ JAE 2(PC)
+ NEGL AX
+ RET
+
+// int32 runtime·closeonexec(int32 fd);
+TEXT runtime·closeonexec(SB),NOSPLIT,$32
+ MOVL $92, AX // fcntl
+ // 0(SP) is where the caller PC would be; kernel skips it
+ MOVL fd+0(FP), BX
+ MOVL BX, 4(SP) // fd
+ MOVL $2, 8(SP) // F_SETFD
+ MOVL $1, 12(SP) // FD_CLOEXEC
+ INT $0x80
+ JAE 2(PC)
+ NEGL AX
+ RET
+
GLOBL runtime·tlsoffset(SB),$4
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-07 21:39:05 +0000