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runtime: don't mark the new call trampolines as NOSPLIT. 

They may call other NOSPLIT routines, and that might
overflow the stack.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/12563043
This commit is contained in:
Keith Randall 2013-08-06 14:33:55 -07:00
parent b29d035fe6
commit 12e46e42ec
3 changed files with 87 additions and 87 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

58
src/pkg/runtime/asm_386.s
View File

@ -336,8 +336,8 @@ TEXT reflect·call(SB), 7, $0-12
MOVL $runtime·badreflectcall(SB), AX
JMP AX
#define CALLFN(NAME,MAXSIZE,FLAGS) \
TEXT runtime·NAME(SB), FLAGS, $MAXSIZE-12; \
#define CALLFN(NAME,MAXSIZE) \
TEXT runtime·NAME(SB), 0, $MAXSIZE-12; \
/* copy arguments to stack */ \
MOVL argptr+4(FP), SI; \
MOVL argsize+8(FP), CX; \
@ -353,33 +353,33 @@ TEXT runtime·NAME(SB), FLAGS, $MAXSIZE-12; \
REP;MOVSB; \
RET
CALLFN(call16, 16, 7)
CALLFN(call32, 32, 7)
CALLFN(call64, 64, 7)
CALLFN(call128, 128, 0)
CALLFN(call256, 256, 0)
CALLFN(call512, 512, 0)
CALLFN(call1024, 1024, 0)
CALLFN(call2048, 2048, 0)
CALLFN(call4096, 4096, 0)
CALLFN(call8192, 8192, 0)
CALLFN(call16384, 16384, 0)
CALLFN(call32768, 32768, 0)
CALLFN(call65536, 65536, 0)
CALLFN(call131072, 131072, 0)
CALLFN(call262144, 262144, 0)
CALLFN(call524288, 524288, 0)
CALLFN(call1048576, 1048576, 0)
CALLFN(call2097152, 2097152, 0)
CALLFN(call4194304, 4194304, 0)
CALLFN(call8388608, 8388608, 0)
CALLFN(call16777216, 16777216, 0)
CALLFN(call33554432, 33554432, 0)
CALLFN(call67108864, 67108864, 0)
CALLFN(call134217728, 134217728, 0)
CALLFN(call268435456, 268435456, 0)
CALLFN(call536870912, 536870912, 0)
CALLFN(call1073741824, 1073741824, 0)
CALLFN(call16, 16)
CALLFN(call32, 32)
CALLFN(call64, 64)
CALLFN(call128, 128)
CALLFN(call256, 256)
CALLFN(call512, 512)
CALLFN(call1024, 1024)
CALLFN(call2048, 2048)
CALLFN(call4096, 4096)
CALLFN(call8192, 8192)
CALLFN(call16384, 16384)
CALLFN(call32768, 32768)
CALLFN(call65536, 65536)
CALLFN(call131072, 131072)
CALLFN(call262144, 262144)
CALLFN(call524288, 524288)
CALLFN(call1048576, 1048576)
CALLFN(call2097152, 2097152)
CALLFN(call4194304, 4194304)
CALLFN(call8388608, 8388608)
CALLFN(call16777216, 16777216)
CALLFN(call33554432, 33554432)
CALLFN(call67108864, 67108864)
CALLFN(call134217728, 134217728)
CALLFN(call268435456, 268435456)
CALLFN(call536870912, 536870912)
CALLFN(call1073741824, 1073741824)
// Return point when leaving stack.
//

58
src/pkg/runtime/asm_amd64.s
View File

@ -317,8 +317,8 @@ TEXT reflect·call(SB), 7, $0-20
MOVQ $runtime·badreflectcall(SB), AX
JMP AX
#define CALLFN(NAME,MAXSIZE,FLAGS) \
TEXT runtime·NAME(SB), FLAGS, $MAXSIZE-20; \
#define CALLFN(NAME,MAXSIZE) \
TEXT runtime·NAME(SB), 0, $MAXSIZE-20; \
/* copy arguments to stack */ \
MOVQ argptr+8(FP), SI; \
MOVLQZX argsize+16(FP), CX; \
@ -334,33 +334,33 @@ TEXT runtime·NAME(SB), FLAGS, $MAXSIZE-20; \
REP;MOVSB; \
RET
CALLFN(call16, 16, 7)
CALLFN(call32, 32, 7)
CALLFN(call64, 64, 7)
CALLFN(call128, 128, 0)
CALLFN(call256, 256, 0)
CALLFN(call512, 512, 0)
CALLFN(call1024, 1024, 0)
CALLFN(call2048, 2048, 0)
CALLFN(call4096, 4096, 0)
CALLFN(call8192, 8192, 0)
CALLFN(call16384, 16384, 0)
CALLFN(call32768, 32768, 0)
CALLFN(call65536, 65536, 0)
CALLFN(call131072, 131072, 0)
CALLFN(call262144, 262144, 0)
CALLFN(call524288, 524288, 0)
CALLFN(call1048576, 1048576, 0)
CALLFN(call2097152, 2097152, 0)
CALLFN(call4194304, 4194304, 0)
CALLFN(call8388608, 8388608, 0)
CALLFN(call16777216, 16777216, 0)
CALLFN(call33554432, 33554432, 0)
CALLFN(call67108864, 67108864, 0)
CALLFN(call134217728, 134217728, 0)
CALLFN(call268435456, 268435456, 0)
CALLFN(call536870912, 536870912, 0)
CALLFN(call1073741824, 1073741824, 0)
CALLFN(call16, 16)
CALLFN(call32, 32)
CALLFN(call64, 64)
CALLFN(call128, 128)
CALLFN(call256, 256)
CALLFN(call512, 512)
CALLFN(call1024, 1024)
CALLFN(call2048, 2048)
CALLFN(call4096, 4096)
CALLFN(call8192, 8192)
CALLFN(call16384, 16384)
CALLFN(call32768, 32768)
CALLFN(call65536, 65536)
CALLFN(call131072, 131072)
CALLFN(call262144, 262144)
CALLFN(call524288, 524288)
CALLFN(call1048576, 1048576)
CALLFN(call2097152, 2097152)
CALLFN(call4194304, 4194304)
CALLFN(call8388608, 8388608)
CALLFN(call16777216, 16777216)
CALLFN(call33554432, 33554432)
CALLFN(call67108864, 67108864)
CALLFN(call134217728, 134217728)
CALLFN(call268435456, 268435456)
CALLFN(call536870912, 536870912)
CALLFN(call1073741824, 1073741824)
// Return point when leaving stack.
//

58
src/pkg/runtime/asm_arm.s
View File

@ -292,8 +292,8 @@ TEXT reflect·call(SB), 7, $-4-12
MOVW $runtime·badreflectcall(SB), R1
B (R1)
#define CALLFN(NAME,MAXSIZE,FLAGS) \
TEXT runtime·NAME(SB), FLAGS, $MAXSIZE-12; \
#define CALLFN(NAME,MAXSIZE) \
TEXT runtime·NAME(SB), 0, $MAXSIZE-12; \
/* copy arguments to stack */ \
MOVW argptr+4(FP), R0; \
MOVW argsize+8(FP), R2; \
@ -319,33 +319,33 @@ TEXT runtime·NAME(SB), FLAGS, $MAXSIZE-12; \
SUB $1, R2, R2; \
B -5(PC) \
CALLFN(call16, 16, 7)
CALLFN(call32, 32, 7)
CALLFN(call64, 64, 7)
CALLFN(call128, 128, 0)
CALLFN(call256, 256, 0)
CALLFN(call512, 512, 0)
CALLFN(call1024, 1024, 0)
CALLFN(call2048, 2048, 0)
CALLFN(call4096, 4096, 0)
CALLFN(call8192, 8192, 0)
CALLFN(call16384, 16384, 0)
CALLFN(call32768, 32768, 0)
CALLFN(call65536, 65536, 0)
CALLFN(call131072, 131072, 0)
CALLFN(call262144, 262144, 0)
CALLFN(call524288, 524288, 0)
CALLFN(call1048576, 1048576, 0)
CALLFN(call2097152, 2097152, 0)
CALLFN(call4194304, 4194304, 0)
CALLFN(call8388608, 8388608, 0)
CALLFN(call16777216, 16777216, 0)
CALLFN(call33554432, 33554432, 0)
CALLFN(call67108864, 67108864, 0)
CALLFN(call134217728, 134217728, 0)
CALLFN(call268435456, 268435456, 0)
CALLFN(call536870912, 536870912, 0)
CALLFN(call1073741824, 1073741824, 0)
CALLFN(call16, 16)
CALLFN(call32, 32)
CALLFN(call64, 64)
CALLFN(call128, 128)
CALLFN(call256, 256)
CALLFN(call512, 512)
CALLFN(call1024, 1024)
CALLFN(call2048, 2048)
CALLFN(call4096, 4096)
CALLFN(call8192, 8192)
CALLFN(call16384, 16384)
CALLFN(call32768, 32768)
CALLFN(call65536, 65536)
CALLFN(call131072, 131072)
CALLFN(call262144, 262144)
CALLFN(call524288, 524288)
CALLFN(call1048576, 1048576)
CALLFN(call2097152, 2097152)
CALLFN(call4194304, 4194304)
CALLFN(call8388608, 8388608)
CALLFN(call16777216, 16777216)
CALLFN(call33554432, 33554432)
CALLFN(call67108864, 67108864)
CALLFN(call134217728, 134217728)
CALLFN(call268435456, 268435456)
CALLFN(call536870912, 536870912)
CALLFN(call1073741824, 1073741824)
// Return point when leaving stack.
// using frame size $-4 means do not save LR on stack.