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add -S flag to print size of symbol

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R=r
DELTA=24  (15 added, 0 deleted, 9 changed)
OCL=34447
CL=34458
This commit is contained in:
Russ Cox 2009-09-08 14:40:27 -07:00
parent 019e14e32e
commit 54414ad866
1 changed files with 28 additions and 13 deletions
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17
src/cmd/nm/nm.c
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@ -50,6 +50,7 @@ int gflag;
int hflag;
int nflag;
int sflag;
int Sflag;
int uflag;
int Tflag;
int tflag;
@ -90,6 +91,7 @@ main(int argc, char *argv[])
case 'h': hflag = 1; break;
case 'n': nflag = 1; break;
case 's': sflag = 1; break;
case 'S': nflag = Sflag = 1; break;
case 'u': uflag = 1; break;
case 't': tflag = 1; break;
case 'T': Tflag = 1; break;
@ -295,7 +297,7 @@ psym(Sym *s, void* p)
void
printsyms(Sym **symptr, long nsym)
{
int i, wid;
int i, j, wid;
Sym *s;
char *cp;
char path[512];
@ -325,6 +327,19 @@ printsyms(Sym **symptr, long nsym)
Bprint(&bout, "%*llux ", wid, s->value);
else
Bprint(&bout, "%*s ", wid, "");
if(Sflag) {
vlong siz;
siz = 0;
for(j=i+1; j<nsym; j++) {
if(symptr[j]->type != 'a' && symptr[j]->type != 'p') {
siz = symptr[j]->value - s->value;
break;
}
}
if(siz > 0)
Bprint(&bout, "%*llud ", wid, siz);
}
Bprint(&bout, "%c %s", s->type, cp);
if(tflag && s->gotype)
Bprint(&bout, " %*llux", wid, s->gotype);