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stack allocation for the init function

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R=r
OCL=17063
CL=17063
This commit is contained in:
Ken Thompson 2008-10-13 20:14:09 -07:00
parent 99c5b2ed4d
commit 1ea5bc7533
3 changed files with 10 additions and 4 deletions
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2
src/cmd/gc/dcl.c
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@ -987,7 +987,7 @@ fninit(Node *n)
// (2) // (2)
maxarg = 0; maxarg = 0;
stksize = 0; stksize = initstksize;
snprint(namebuf, sizeof(namebuf), "init_%s_function", filename); snprint(namebuf, sizeof(namebuf), "init_%s_function", filename);

3
src/cmd/gc/go.h
View File

@ -451,7 +451,8 @@ EXTERN Node* lastconst;
EXTERN int32 vargen; EXTERN int32 vargen;
EXTERN int32 exportgen; EXTERN int32 exportgen;
EXTERN int32 maxarg; EXTERN int32 maxarg;
EXTERN int32 stksize; EXTERN int32 stksize; // stack size for current frame
EXTERN int32 initstksize; // stack size for init function
EXTERN ushort blockgen; // max block number EXTERN ushort blockgen; // max block number
EXTERN ushort block; // current block number EXTERN ushort block; // current block number

9
src/cmd/gc/go.y
View File

@ -178,7 +178,11 @@ hidden_import_list:
* declarations * declarations
*/ */
xdcl: xdcl:
common_dcl { stksize = initstksize; } common_dcl
{
$$ = $2;
initstksize = stksize;
}
| xfndcl | xfndcl
{ {
$$ = N; $$ = N;
@ -187,10 +191,11 @@ xdcl:
{ {
$$ = N; $$ = N;
} }
| LEXPORT { exportadj = 1; } common_dcl | LEXPORT { exportadj = 1; stksize = initstksize; } common_dcl
{ {
$$ = $3; $$ = $3;
exportadj = 0; exportadj = 0;
initstksize = stksize;
} }
| LEXPORT '(' export_list_r ')' | LEXPORT '(' export_list_r ')'
{ {