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mirror of https://github.com/golang/go synced 2024-09-23 23:20:14 -06:00

runtime: use NOFRAME on mips and mips64

This replaces frame size -4/-8 with the NOFRAME flag in mips and
mips64 assembly.

This was automated with:

sed -i -e 's/\(^TEXT.*[A-Z]\),\( *\)\$-[84]/\1|NOFRAME,\2$0/' $(find -name '*_mips*.s')

Plus a manual fix to mkduff.go.

The go binary is identical on both architectures before and after this
change.

Change-Id: I0310384d1a584118c41d1cd3a042bb8ea7227efb
Reviewed-on: https://go-review.googlesource.com/92044
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Austin Clements 2018-01-25 12:15:23 -05:00
parent beeabbcb25
commit dfbf568c9f
16 changed files with 71 additions and 71 deletions

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@ -7,7 +7,7 @@
#include "textflag.h"
TEXT ·RewindAndSetgid(SB),NOSPLIT,$-4-0
TEXT ·RewindAndSetgid(SB),NOSPLIT|NOFRAME,$0-0
// Rewind stack pointer so anything that happens on the stack
// will clobber the test pattern created by the caller
ADDU $(1024*8), R29

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@ -78,11 +78,11 @@ nocgo:
DATA runtime·mainPC+0(SB)/8,$runtime·main(SB)
GLOBL runtime·mainPC(SB),RODATA,$8
TEXT runtime·breakpoint(SB),NOSPLIT,$-8-0
TEXT runtime·breakpoint(SB),NOSPLIT|NOFRAME,$0-0
MOVV R0, 2(R0) // TODO: TD
RET
TEXT runtime·asminit(SB),NOSPLIT,$-8-0
TEXT runtime·asminit(SB),NOSPLIT|NOFRAME,$0-0
RET
/*
@ -91,7 +91,7 @@ TEXT runtime·asminit(SB),NOSPLIT,$-8-0
// void gosave(Gobuf*)
// save state in Gobuf; setjmp
TEXT runtime·gosave(SB), NOSPLIT, $-8-8
TEXT runtime·gosave(SB), NOSPLIT|NOFRAME, $0-8
MOVV buf+0(FP), R1
MOVV R29, gobuf_sp(R1)
MOVV R31, gobuf_pc(R1)
@ -127,7 +127,7 @@ TEXT runtime·gogo(SB), NOSPLIT, $16-8
// Switch to m->g0's stack, call fn(g).
// Fn must never return. It should gogo(&g->sched)
// to keep running g.
TEXT runtime·mcall(SB), NOSPLIT, $-8-8
TEXT runtime·mcall(SB), NOSPLIT|NOFRAME, $0-8
// Save caller state in g->sched
MOVV R29, (g_sched+gobuf_sp)(g)
MOVV R31, (g_sched+gobuf_pc)(g)
@ -233,7 +233,7 @@ noswitch:
// the top of a stack (for example, morestack calling newstack
// calling the scheduler calling newm calling gc), so we must
// record an argument size. For that purpose, it has no arguments.
TEXT runtime·morestack(SB),NOSPLIT,$-8-0
TEXT runtime·morestack(SB),NOSPLIT|NOFRAME,$0-0
// Cannot grow scheduler stack (m->g0).
MOVV g_m(g), R7
MOVV m_g0(R7), R8
@ -273,7 +273,7 @@ TEXT runtime·morestack(SB),NOSPLIT,$-8-0
// is still in this function, and not the beginning of the next.
UNDEF
TEXT runtime·morestack_noctxt(SB),NOSPLIT,$-8-0
TEXT runtime·morestack_noctxt(SB),NOSPLIT|NOFRAME,$0-0
MOVV R0, REGCTXT
JMP runtime·morestack(SB)
@ -294,7 +294,7 @@ TEXT runtime·morestack_noctxt(SB),NOSPLIT,$-8-0
TEXT reflect·call(SB), NOSPLIT, $0-0
JMP ·reflectcall(SB)
TEXT ·reflectcall(SB), NOSPLIT, $-8-32
TEXT ·reflectcall(SB), NOSPLIT|NOFRAME, $0-32
MOVWU argsize+24(FP), R1
DISPATCH(runtime·call32, 32)
DISPATCH(runtime·call64, 64)
@ -405,7 +405,7 @@ TEXT runtime·procyield(SB),NOSPLIT,$0-0
// 1. grab stored LR for caller
// 2. sub 8 bytes to get back to JAL deferreturn
// 3. JMP to fn
TEXT runtime·jmpdefer(SB), NOSPLIT, $-8-16
TEXT runtime·jmpdefer(SB), NOSPLIT|NOFRAME, $0-16
MOVV 0(R29), R31
ADDV $-8, R31
@ -417,7 +417,7 @@ TEXT runtime·jmpdefer(SB), NOSPLIT, $-8-16
JMP (R4)
// Save state of caller into g->sched. Smashes R1.
TEXT gosave<>(SB),NOSPLIT,$-8
TEXT gosave<>(SB),NOSPLIT|NOFRAME,$0
MOVV R31, (g_sched+gobuf_pc)(g)
MOVV R29, (g_sched+gobuf_sp)(g)
MOVV R0, (g_sched+gobuf_lr)(g)
@ -607,27 +607,27 @@ TEXT setg_gcc<>(SB),NOSPLIT,$0-0
JAL runtime·save_g(SB)
RET
TEXT runtime·getcallerpc(SB),NOSPLIT,$-8-8
TEXT runtime·getcallerpc(SB),NOSPLIT|NOFRAME,$0-8
MOVV 0(R29), R1 // LR saved by caller
MOVV R1, ret+0(FP)
RET
TEXT runtime·abort(SB),NOSPLIT,$-8-0
TEXT runtime·abort(SB),NOSPLIT|NOFRAME,$0-0
MOVW (R0), R0
UNDEF
// AES hashing not implemented for mips64
TEXT runtime·aeshash(SB),NOSPLIT,$-8-0
TEXT runtime·aeshash(SB),NOSPLIT|NOFRAME,$0-0
MOVW (R0), R1
TEXT runtime·aeshash32(SB),NOSPLIT,$-8-0
TEXT runtime·aeshash32(SB),NOSPLIT|NOFRAME,$0-0
MOVW (R0), R1
TEXT runtime·aeshash64(SB),NOSPLIT,$-8-0
TEXT runtime·aeshash64(SB),NOSPLIT|NOFRAME,$0-0
MOVW (R0), R1
TEXT runtime·aeshashstr(SB),NOSPLIT,$-8-0
TEXT runtime·aeshashstr(SB),NOSPLIT|NOFRAME,$0-0
MOVW (R0), R1
// memequal(p, q unsafe.Pointer, size uintptr) bool
TEXT runtime·memequal(SB),NOSPLIT,$-8-25
TEXT runtime·memequal(SB),NOSPLIT|NOFRAME,$0-25
MOVV a+0(FP), R1
MOVV b+8(FP), R2
BEQ R1, R2, eq
@ -766,7 +766,7 @@ TEXT _cgo_topofstack(SB),NOSPLIT,$16
// The top-most function running on a goroutine
// returns to goexit+PCQuantum.
TEXT runtime·goexit(SB),NOSPLIT,$-8-0
TEXT runtime·goexit(SB),NOSPLIT|NOFRAME,$0-0
NOR R0, R0 // NOP
JAL runtime·goexit1(SB) // does not return
// traceback from goexit1 must hit code range of goexit

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@ -92,7 +92,7 @@ TEXT runtime·asminit(SB),NOSPLIT,$0-0
// void gosave(Gobuf*)
// save state in Gobuf; setjmp
TEXT runtime·gosave(SB),NOSPLIT,$-4-4
TEXT runtime·gosave(SB),NOSPLIT|NOFRAME,$0-4
MOVW buf+0(FP), R1
MOVW R29, gobuf_sp(R1)
MOVW R31, gobuf_pc(R1)
@ -128,7 +128,7 @@ TEXT runtime·gogo(SB),NOSPLIT,$8-4
// Switch to m->g0's stack, call fn(g).
// Fn must never return. It should gogo(&g->sched)
// to keep running g.
TEXT runtime·mcall(SB),NOSPLIT,$-4-4
TEXT runtime·mcall(SB),NOSPLIT|NOFRAME,$0-4
// Save caller state in g->sched
MOVW R29, (g_sched+gobuf_sp)(g)
MOVW R31, (g_sched+gobuf_pc)(g)
@ -234,7 +234,7 @@ noswitch:
// the top of a stack (for example, morestack calling newstack
// calling the scheduler calling newm calling gc), so we must
// record an argument size. For that purpose, it has no arguments.
TEXT runtime·morestack(SB),NOSPLIT,$-4-0
TEXT runtime·morestack(SB),NOSPLIT|NOFRAME,$0-0
// Cannot grow scheduler stack (m->g0).
MOVW g_m(g), R7
MOVW m_g0(R7), R8
@ -293,7 +293,7 @@ TEXT runtime·morestack_noctxt(SB),NOSPLIT,$0-0
TEXT reflect·call(SB),NOSPLIT,$0-20
JMP ·reflectcall(SB)
TEXT ·reflectcall(SB),NOSPLIT,$-4-20
TEXT ·reflectcall(SB),NOSPLIT|NOFRAME,$0-20
MOVW argsize+12(FP), R1
DISPATCH(runtime·call16, 16)
@ -418,7 +418,7 @@ TEXT runtime·jmpdefer(SB),NOSPLIT,$0-8
JMP (R4)
// Save state of caller into g->sched. Smashes R1.
TEXT gosave<>(SB),NOSPLIT,$-4
TEXT gosave<>(SB),NOSPLIT|NOFRAME,$0
MOVW R31, (g_sched+gobuf_pc)(g)
MOVW R29, (g_sched+gobuf_sp)(g)
MOVW R0, (g_sched+gobuf_lr)(g)
@ -610,7 +610,7 @@ TEXT setg_gcc<>(SB),NOSPLIT,$0
JAL runtime·save_g(SB)
RET
TEXT runtime·getcallerpc(SB),NOSPLIT,$-4-4
TEXT runtime·getcallerpc(SB),NOSPLIT|NOFRAME,$0-4
MOVW 0(R29), R1 // LR saved by caller
MOVW R1, ret+0(FP)
RET
@ -826,7 +826,7 @@ TEXT runtime·return0(SB),NOSPLIT,$0
// Called from cgo wrappers, this function returns g->m->curg.stack.hi.
// Must obey the gcc calling convention.
TEXT _cgo_topofstack(SB),NOSPLIT,$-4
TEXT _cgo_topofstack(SB),NOSPLIT|NOFRAME,$0
// g (R30), R3 and REGTMP (R23) might be clobbered by load_g. R30 and R23
// are callee-save in the gcc calling convention, so save them.
MOVW R23, R8
@ -846,7 +846,7 @@ TEXT _cgo_topofstack(SB),NOSPLIT,$-4
// The top-most function running on a goroutine
// returns to goexit+PCQuantum.
TEXT runtime·goexit(SB),NOSPLIT,$-4-0
TEXT runtime·goexit(SB),NOSPLIT|NOFRAME,$0-0
NOR R0, R0 // NOP
JAL runtime·goexit1(SB) // does not return
// traceback from goexit1 must hit code range of goexit

View File

@ -8,6 +8,6 @@
#define SYNC WORD $0xf
TEXT ·publicationBarrier(SB),NOSPLIT,$-8-0
TEXT ·publicationBarrier(SB),NOSPLIT|NOFRAME,$0-0
SYNC
RET

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@ -10,7 +10,7 @@
* void crosscall2(void (*fn)(void*, int32, uintptr), void*, int32, uintptr)
* Save registers and call fn with two arguments.
*/
TEXT crosscall2(SB),NOSPLIT,$-8
TEXT crosscall2(SB),NOSPLIT|NOFRAME,$0
/*
* We still need to save all callee save register as before, and then
* push 3 args for fn (R5, R6, R7).

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@ -10,7 +10,7 @@
* void crosscall2(void (*fn)(void*, int32, uintptr), void*, int32, uintptr)
* Save registers and call fn with two arguments.
*/
TEXT crosscall2(SB),NOSPLIT,$-4
TEXT crosscall2(SB),NOSPLIT|NOFRAME,$0
/*
* We still need to save all callee save register as before, and then
* push 3 args for fn (R5, R6, R7).

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@ -6,7 +6,7 @@
#include "textflag.h"
TEXT runtime·duffzero(SB), NOSPLIT, $-8-0
TEXT runtime·duffzero(SB), NOSPLIT|NOFRAME, $0-0
MOVV R0, 8(R1)
ADDV $8, R1
MOVV R0, 8(R1)

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@ -9,7 +9,7 @@
#define SYNC WORD $0xf
// uint32 runtimeinternalatomic·Load(uint32 volatile* ptr)
TEXT ·Load(SB),NOSPLIT,$-8-12
TEXT ·Load(SB),NOSPLIT|NOFRAME,$0-12
MOVV ptr+0(FP), R1
SYNC
MOVWU 0(R1), R1
@ -18,7 +18,7 @@ TEXT ·Load(SB),NOSPLIT,$-8-12
RET
// uint64 runtimeinternalatomic·Load64(uint64 volatile* ptr)
TEXT ·Load64(SB),NOSPLIT,$-8-16
TEXT ·Load64(SB),NOSPLIT|NOFRAME,$0-16
MOVV ptr+0(FP), R1
SYNC
MOVV 0(R1), R1
@ -27,7 +27,7 @@ TEXT ·Load64(SB),NOSPLIT,$-8-16
RET
// void *runtimeinternalatomic·Loadp(void *volatile *ptr)
TEXT ·Loadp(SB),NOSPLIT,$-8-16
TEXT ·Loadp(SB),NOSPLIT|NOFRAME,$0-16
MOVV ptr+0(FP), R1
SYNC
MOVV 0(R1), R1

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@ -7,7 +7,7 @@
#include "textflag.h"
// void runtime·memmove(void*, void*, uintptr)
TEXT runtime·memmove(SB), NOSPLIT, $-8-24
TEXT runtime·memmove(SB), NOSPLIT|NOFRAME, $0-24
MOVV to+0(FP), R1
MOVV from+8(FP), R2
MOVV n+16(FP), R3

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@ -206,7 +206,7 @@ func zeroMIPS64x(w io.Writer) {
// R0: always zero
// R1 (aka REGRT1): ptr to memory to be zeroed - 8
// On return, R1 points to the last zeroed dword.
fmt.Fprintln(w, "TEXT runtime·duffzero(SB), NOSPLIT, $-8-0")
fmt.Fprintln(w, "TEXT runtime·duffzero(SB), NOSPLIT|NOFRAME, $0-0")
for i := 0; i < 128; i++ {
fmt.Fprintln(w, "\tMOVV\tR0, 8(R1)")
fmt.Fprintln(w, "\tADDV\t$8, R1")

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@ -13,7 +13,7 @@ TEXT _rt0_mips64_linux(SB),NOSPLIT,$0
TEXT _rt0_mips64le_linux(SB),NOSPLIT,$0
JMP _main<>(SB)
TEXT _main<>(SB),NOSPLIT,$-8
TEXT _main<>(SB),NOSPLIT|NOFRAME,$0
// In a statically linked binary, the stack contains argc,
// argv as argc string pointers followed by a NULL, envv as a
// sequence of string pointers followed by a NULL, and auxv.
@ -26,7 +26,7 @@ TEXT _main<>(SB),NOSPLIT,$-8
ADDV $8, R29, R5 // argv
JMP main(SB)
TEXT main(SB),NOSPLIT,$-8
TEXT main(SB),NOSPLIT|NOFRAME,$0
// in external linking, glibc jumps to main with argc in R4
// and argv in R5

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@ -13,7 +13,7 @@ TEXT _rt0_mips_linux(SB),NOSPLIT,$0
TEXT _rt0_mipsle_linux(SB),NOSPLIT,$0
JMP _main<>(SB)
TEXT _main<>(SB),NOSPLIT,$-4
TEXT _main<>(SB),NOSPLIT|NOFRAME,$0
// In a statically linked binary, the stack contains argc,
// argv as argc string pointers followed by a NULL, envv as a
// sequence of string pointers followed by a NULL, and auxv.
@ -22,7 +22,7 @@ TEXT _main<>(SB),NOSPLIT,$-4
ADD $4, R29, R5 // argv
JMP main(SB)
TEXT main(SB),NOSPLIT,$-4
TEXT main(SB),NOSPLIT|NOFRAME,$0
// In external linking, libc jumps to main with argc in R4, argv in R5
MOVW $runtime·rt0_go(SB), R1
JMP (R1)

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@ -47,14 +47,14 @@
#define SYS_epoll_create1 5285
#define SYS_brk 5012
TEXT runtime·exit(SB),NOSPLIT,$-8-4
TEXT runtime·exit(SB),NOSPLIT|NOFRAME,$0-4
MOVW code+0(FP), R4
MOVV $SYS_exit_group, R2
SYSCALL
RET
// func exitThread(wait *uint32)
TEXT runtime·exitThread(SB),NOSPLIT,$-8-8
TEXT runtime·exitThread(SB),NOSPLIT|NOFRAME,$0-8
MOVV wait+0(FP), R1
// We're done using the stack.
MOVW $0, R2
@ -66,7 +66,7 @@ TEXT runtime·exitThread(SB),NOSPLIT,$-8-8
SYSCALL
JMP 0(PC)
TEXT runtime·open(SB),NOSPLIT,$-8-20
TEXT runtime·open(SB),NOSPLIT|NOFRAME,$0-20
MOVV name+0(FP), R4
MOVW mode+8(FP), R5
MOVW perm+12(FP), R6
@ -77,7 +77,7 @@ TEXT runtime·open(SB),NOSPLIT,$-8-20
MOVW R2, ret+16(FP)
RET
TEXT runtime·closefd(SB),NOSPLIT,$-8-12
TEXT runtime·closefd(SB),NOSPLIT|NOFRAME,$0-12
MOVW fd+0(FP), R4
MOVV $SYS_close, R2
SYSCALL
@ -86,7 +86,7 @@ TEXT runtime·closefd(SB),NOSPLIT,$-8-12
MOVW R2, ret+8(FP)
RET
TEXT runtime·write(SB),NOSPLIT,$-8-28
TEXT runtime·write(SB),NOSPLIT|NOFRAME,$0-28
MOVV fd+0(FP), R4
MOVV p+8(FP), R5
MOVW n+16(FP), R6
@ -97,7 +97,7 @@ TEXT runtime·write(SB),NOSPLIT,$-8-28
MOVW R2, ret+24(FP)
RET
TEXT runtime·read(SB),NOSPLIT,$-8-28
TEXT runtime·read(SB),NOSPLIT|NOFRAME,$0-28
MOVW fd+0(FP), R4
MOVV p+8(FP), R5
MOVW n+16(FP), R6
@ -108,7 +108,7 @@ TEXT runtime·read(SB),NOSPLIT,$-8-28
MOVW R2, ret+24(FP)
RET
TEXT runtime·getrlimit(SB),NOSPLIT,$-8-20
TEXT runtime·getrlimit(SB),NOSPLIT|NOFRAME,$0-20
MOVW kind+0(FP), R4 // _RLIMIT_AS = 6 on linux/mips
MOVV limit+8(FP), R5
MOVV $SYS_getrlimit, R2
@ -144,7 +144,7 @@ TEXT runtime·gettid(SB),NOSPLIT,$0-4
MOVW R2, ret+0(FP)
RET
TEXT runtime·raise(SB),NOSPLIT,$-8
TEXT runtime·raise(SB),NOSPLIT|NOFRAME,$0
MOVV $SYS_gettid, R2
SYSCALL
MOVW R2, R4 // arg 1 tid
@ -153,7 +153,7 @@ TEXT runtime·raise(SB),NOSPLIT,$-8
SYSCALL
RET
TEXT runtime·raiseproc(SB),NOSPLIT,$-8
TEXT runtime·raiseproc(SB),NOSPLIT|NOFRAME,$0
MOVV $SYS_getpid, R2
SYSCALL
MOVW R2, R4 // arg 1 pid
@ -162,7 +162,7 @@ TEXT runtime·raiseproc(SB),NOSPLIT,$-8
SYSCALL
RET
TEXT runtime·setitimer(SB),NOSPLIT,$-8-24
TEXT runtime·setitimer(SB),NOSPLIT|NOFRAME,$0-24
MOVW mode+0(FP), R4
MOVV new+8(FP), R5
MOVV old+16(FP), R6
@ -170,7 +170,7 @@ TEXT runtime·setitimer(SB),NOSPLIT,$-8-24
SYSCALL
RET
TEXT runtime·mincore(SB),NOSPLIT,$-8-28
TEXT runtime·mincore(SB),NOSPLIT|NOFRAME,$0-28
MOVV addr+0(FP), R4
MOVV n+8(FP), R5
MOVV dst+16(FP), R6
@ -208,7 +208,7 @@ TEXT runtime·nanotime(SB),NOSPLIT,$16
MOVV R3, ret+0(FP)
RET
TEXT runtime·rtsigprocmask(SB),NOSPLIT,$-8-28
TEXT runtime·rtsigprocmask(SB),NOSPLIT|NOFRAME,$0-28
MOVW how+0(FP), R4
MOVV new+8(FP), R5
MOVV old+16(FP), R6
@ -219,7 +219,7 @@ TEXT runtime·rtsigprocmask(SB),NOSPLIT,$-8-28
MOVV R0, 0xf1(R0) // crash
RET
TEXT runtime·rt_sigaction(SB),NOSPLIT,$-8-36
TEXT runtime·rt_sigaction(SB),NOSPLIT|NOFRAME,$0-36
MOVV sig+0(FP), R4
MOVV new+8(FP), R5
MOVV old+16(FP), R6
@ -259,7 +259,7 @@ TEXT runtime·sigtramp(SB),NOSPLIT,$64
TEXT runtime·cgoSigtramp(SB),NOSPLIT,$0
JMP runtime·sigtramp(SB)
TEXT runtime·mmap(SB),NOSPLIT,$-8
TEXT runtime·mmap(SB),NOSPLIT|NOFRAME,$0
MOVV addr+0(FP), R4
MOVV n+8(FP), R5
MOVW prot+16(FP), R6
@ -278,7 +278,7 @@ ok:
MOVV $0, err+40(FP)
RET
TEXT runtime·munmap(SB),NOSPLIT,$-8
TEXT runtime·munmap(SB),NOSPLIT|NOFRAME,$0
MOVV addr+0(FP), R4
MOVV n+8(FP), R5
MOVV $SYS_munmap, R2
@ -287,7 +287,7 @@ TEXT runtime·munmap(SB),NOSPLIT,$-8
MOVV R0, 0xf3(R0) // crash
RET
TEXT runtime·madvise(SB),NOSPLIT,$-8
TEXT runtime·madvise(SB),NOSPLIT|NOFRAME,$0
MOVV addr+0(FP), R4
MOVV n+8(FP), R5
MOVW flags+16(FP), R6
@ -298,7 +298,7 @@ TEXT runtime·madvise(SB),NOSPLIT,$-8
// int64 futex(int32 *uaddr, int32 op, int32 val,
// struct timespec *timeout, int32 *uaddr2, int32 val2);
TEXT runtime·futex(SB),NOSPLIT,$-8
TEXT runtime·futex(SB),NOSPLIT|NOFRAME,$0
MOVV addr+0(FP), R4
MOVW op+8(FP), R5
MOVW val+12(FP), R6
@ -311,7 +311,7 @@ TEXT runtime·futex(SB),NOSPLIT,$-8
RET
// int64 clone(int32 flags, void *stk, M *mp, G *gp, void (*fn)(void));
TEXT runtime·clone(SB),NOSPLIT,$-8
TEXT runtime·clone(SB),NOSPLIT|NOFRAME,$0
MOVW flags+0(FP), R4
MOVV stk+8(FP), R5
@ -371,7 +371,7 @@ nog:
SYSCALL
JMP -3(PC) // keep exiting
TEXT runtime·sigaltstack(SB),NOSPLIT,$-8
TEXT runtime·sigaltstack(SB),NOSPLIT|NOFRAME,$0
MOVV new+0(FP), R4
MOVV old+8(FP), R5
MOVV $SYS_sigaltstack, R2
@ -380,12 +380,12 @@ TEXT runtime·sigaltstack(SB),NOSPLIT,$-8
MOVV R0, 0xf1(R0) // crash
RET
TEXT runtime·osyield(SB),NOSPLIT,$-8
TEXT runtime·osyield(SB),NOSPLIT|NOFRAME,$0
MOVV $SYS_sched_yield, R2
SYSCALL
RET
TEXT runtime·sched_getaffinity(SB),NOSPLIT,$-8
TEXT runtime·sched_getaffinity(SB),NOSPLIT|NOFRAME,$0
MOVV pid+0(FP), R4
MOVV len+8(FP), R5
MOVV buf+16(FP), R6
@ -395,7 +395,7 @@ TEXT runtime·sched_getaffinity(SB),NOSPLIT,$-8
RET
// int32 runtime·epollcreate(int32 size);
TEXT runtime·epollcreate(SB),NOSPLIT,$-8
TEXT runtime·epollcreate(SB),NOSPLIT|NOFRAME,$0
MOVW size+0(FP), R4
MOVV $SYS_epoll_create, R2
SYSCALL
@ -403,7 +403,7 @@ TEXT runtime·epollcreate(SB),NOSPLIT,$-8
RET
// int32 runtime·epollcreate1(int32 flags);
TEXT runtime·epollcreate1(SB),NOSPLIT,$-8
TEXT runtime·epollcreate1(SB),NOSPLIT|NOFRAME,$0
MOVW flags+0(FP), R4
MOVV $SYS_epoll_create1, R2
SYSCALL
@ -411,7 +411,7 @@ TEXT runtime·epollcreate1(SB),NOSPLIT,$-8
RET
// func epollctl(epfd, op, fd int32, ev *epollEvent) int
TEXT runtime·epollctl(SB),NOSPLIT,$-8
TEXT runtime·epollctl(SB),NOSPLIT|NOFRAME,$0
MOVW epfd+0(FP), R4
MOVW op+4(FP), R5
MOVW fd+8(FP), R6
@ -422,7 +422,7 @@ TEXT runtime·epollctl(SB),NOSPLIT,$-8
RET
// int32 runtime·epollwait(int32 epfd, EpollEvent *ev, int32 nev, int32 timeout);
TEXT runtime·epollwait(SB),NOSPLIT,$-8
TEXT runtime·epollwait(SB),NOSPLIT|NOFRAME,$0
MOVW epfd+0(FP), R4
MOVV ev+8(FP), R5
MOVW nev+16(FP), R6
@ -433,7 +433,7 @@ TEXT runtime·epollwait(SB),NOSPLIT,$-8
RET
// void runtime·closeonexec(int32 fd);
TEXT runtime·closeonexec(SB),NOSPLIT,$-8
TEXT runtime·closeonexec(SB),NOSPLIT|NOFRAME,$0
MOVW fd+0(FP), R4 // fd
MOVV $2, R5 // F_SETFD
MOVV $1, R6 // FD_CLOEXEC
@ -442,7 +442,7 @@ TEXT runtime·closeonexec(SB),NOSPLIT,$-8
RET
// func sbrk0() uintptr
TEXT runtime·sbrk0(SB),NOSPLIT,$-8-8
TEXT runtime·sbrk0(SB),NOSPLIT|NOFRAME,$0-8
// Implemented as brk(NULL).
MOVV $0, R4
MOVV $SYS_brk, R2

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@ -338,7 +338,7 @@ TEXT runtime·futex(SB),NOSPLIT,$20-28
// int32 clone(int32 flags, void *stk, M *mp, G *gp, void (*fn)(void));
TEXT runtime·clone(SB),NOSPLIT,$-4-24
TEXT runtime·clone(SB),NOSPLIT|NOFRAME,$0-24
MOVW flags+0(FP), R4
MOVW stk+4(FP), R5
MOVW R0, R6 // ptid

View File

@ -12,7 +12,7 @@
// If !iscgo, this is a no-op.
//
// NOTE: mcall() assumes this clobbers only R23 (REGTMP).
TEXT runtime·save_g(SB),NOSPLIT,$-8-0
TEXT runtime·save_g(SB),NOSPLIT|NOFRAME,$0-0
MOVB runtime·iscgo(SB), R23
BEQ R23, nocgo
@ -23,7 +23,7 @@ TEXT runtime·save_g(SB),NOSPLIT,$-8-0
nocgo:
RET
TEXT runtime·load_g(SB),NOSPLIT,$-8-0
TEXT runtime·load_g(SB),NOSPLIT|NOFRAME,$0-0
MOVV runtime·tls_g(SB), g // TLS relocation clobbers R3
RET

View File

@ -11,7 +11,7 @@
// If !iscgo, this is a no-op.
// NOTE: gogo asumes load_g only clobers g (R30) and REGTMP (R23)
TEXT runtime·save_g(SB),NOSPLIT,$-4-0
TEXT runtime·save_g(SB),NOSPLIT|NOFRAME,$0-0
MOVB runtime·iscgo(SB), R23
BEQ R23, nocgo
@ -22,7 +22,7 @@ TEXT runtime·save_g(SB),NOSPLIT,$-4-0
nocgo:
RET
TEXT runtime·load_g(SB),NOSPLIT,$-4-0
TEXT runtime·load_g(SB),NOSPLIT|NOFRAME,$0-0
MOVW runtime·tls_g(SB), g // TLS relocation clobbers R3
RET