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cmd/ld: drop gcargs, gclocals symbols from symbol table

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Update #6853

Every function now has a gcargs and gclocals symbol
holding associated garbage collection information.
Put them all in the same meta-symbol as the go.func data
and then drop individual entries from symbol table.

Removing gcargs and gclocals reduces the size of a
typical binary by 10%.

LGTM=r
R=r
CC=golang-codereviews
https://golang.org/cl/65870044
This commit is contained in:
Russ Cox 2014-02-19 10:00:44 -05:00
parent 475e7d0372
commit 2541cc8197
1 changed files with 5 additions and 0 deletions
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5
src/cmd/ld/symtab.c
View File

@ -409,5 +409,10 @@ symtab(void)
s->hide = 1;
s->outer = symgofunc;
}
if(strstr(s->name, ".gcargs·") != nil || strstr(s->name, ".gclocals·") != nil || strncmp(s->name, "gcargs·", 8) == 0 || strncmp(s->name, "gclocals·", 10) == 0) {
s->type = SGOFUNC;
s->hide = 1;
s->outer = symgofunc;
}
}
}