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ld: get symbol table letters right

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Have to assign them before we create the symbol table.
ARM debugging.

TBR=r
CC=golang-dev
https://golang.org/cl/5689067
This commit is contained in:
Russ Cox 2012-02-22 01:30:04 -05:00
parent e29d3dfc49
commit c2cd0d09c2
6 changed files with 44 additions and 21 deletions
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4
src/cmd/5l/asm.c
View file

@ -1850,6 +1850,8 @@ genasmsym(void (*put)(Sym*, char*, int, vlong, vlong, int, Sym*))
case SSTRING:
case SGOSTRING:
case SNOPTRDATA:
case SSYMTAB:
case SPCLNTAB:
if(!s->reachable)
continue;
put(s, s->name, 'D', s->value, s->size, s->version, s->gotype);
@ -1859,6 +1861,8 @@ genasmsym(void (*put)(Sym*, char*, int, vlong, vlong, int, Sym*))
case SNOPTRBSS:
if(!s->reachable)
continue;
if(s->np > 0)
diag("%s should not be bss (size=%d type=%d special=%d)", s->name, (int)s->np, s->type, s->special);
put(s, s->name, 'B', s->value, s->size, s->version, s->gotype);
continue;

4
src/cmd/6l/asm.c
View file

@ -1170,6 +1170,8 @@ genasmsym(void (*put)(Sym*, char*, int, vlong, vlong, int, Sym*))
switch(s->type&~SSUB) {
case SCONST:
case SRODATA:
case SSYMTAB:
case SPCLNTAB:
case SDATA:
case SNOPTRDATA:
case SELFROSECT:
@ -1187,6 +1189,8 @@ genasmsym(void (*put)(Sym*, char*, int, vlong, vlong, int, Sym*))
case SNOPTRBSS:
if(!s->reachable)
continue;
if(s->np > 0)
diag("%s should not be bss (size=%d type=%d special=%d)", s->name, (int)s->np, s->type, s->special);
put(s, s->name, 'B', symaddr(s), s->size, s->version, s->gotype);
continue;

2
src/cmd/8l/asm.c
View file

@ -1259,6 +1259,8 @@ genasmsym(void (*put)(Sym*, char*, int, vlong, vlong, int, Sym*))
case SGOSTRING:
case SWINDOWS:
case SNOPTRDATA:
case SSYMTAB:
case SPCLNTAB:
if(!s->reachable)
continue;
put(s, s->name, 'D', symaddr(s), s->size, s->version, s->gotype);

40
src/cmd/ld/data.c
View file

@ -414,13 +414,13 @@ savedata(Sym *s, Prog *p, char *pn)
}
static void
blk(Sym *allsym, int32 addr, int32 size)
blk(Sym *start, int32 addr, int32 size)
{
Sym *sym;
int32 eaddr;
uchar *p, *ep;
for(sym = allsym; sym != nil; sym = sym->next)
for(sym = start; sym != nil; sym = sym->next)
if(!(sym->type&SSUB) && sym->value >= addr)
break;
@ -778,6 +778,21 @@ addsize(Sym *s, Sym *t)
return i;
}
void
dosymtype(void)
{
Sym *s;
for(s = allsym; s != nil; s = s->allsym) {
if(s->np > 0) {
if(s->type == SBSS)
s->type = SDATA;
if(s->type == SNOPTRBSS)
s->type = SNOPTRDATA;
}
}
}
void
dodata(void)
{
@ -806,17 +821,12 @@ dodata(void)
}
for(s = datap; s != nil; s = s->next) {
if(s->np > 0) {
if(s->type == SBSS)
s->type = SDATA;
if(s->type == SNOPTRBSS)
s->type = SNOPTRDATA;
}
if(s->np > s->size)
diag("%s: initialize bounds (%lld < %d)",
s->name, (vlong)s->size, s->np);
}
/*
* now that we have the datap list, but before we start
* to assign addresses, record all the necessary
@ -1088,13 +1098,13 @@ address(void)
xdefine("esymtab", SRODATA, symtab->vaddr + symtab->len);
xdefine("pclntab", SRODATA, pclntab->vaddr);
xdefine("epclntab", SRODATA, pclntab->vaddr + pclntab->len);
xdefine("noptrdata", SBSS, noptr->vaddr);
xdefine("enoptrdata", SBSS, noptr->vaddr + noptr->len);
xdefine("noptrdata", SNOPTRDATA, noptr->vaddr);
xdefine("enoptrdata", SNOPTRDATA, noptr->vaddr + noptr->len);
xdefine("bss", SBSS, bss->vaddr);
xdefine("ebss", SBSS, bss->vaddr + bss->len);
xdefine("data", SBSS, data->vaddr);
xdefine("edata", SBSS, data->vaddr + data->len);
xdefine("noptrbss", SBSS, noptrbss->vaddr);
xdefine("enoptrbss", SBSS, noptrbss->vaddr + noptrbss->len);
xdefine("data", SDATA, data->vaddr);
xdefine("edata", SDATA, data->vaddr + data->len);
xdefine("noptrbss", SNOPTRBSS, noptrbss->vaddr);
xdefine("enoptrbss", SNOPTRBSS, noptrbss->vaddr + noptrbss->len);
xdefine("end", SBSS, segdata.vaddr + segdata.len);
}

1
src/cmd/ld/lib.h
View file

@ -196,6 +196,7 @@ void asmelfsym(void);
void asmplan9sym(void);
void strnput(char*, int);
void dodata(void);
void dosymtype(void);
void address(void);
void textaddress(void);
void genasmsym(void (*put)(Sym*, char*, int, vlong, vlong, int, Sym*));

14
src/cmd/ld/symtab.c
View file

@ -324,20 +324,22 @@ symtab(void)
{
Sym *s;
dosymtype();
// Define these so that they'll get put into the symbol table.
// data.c:/^address will provide the actual values.
xdefine("text", STEXT, 0);
xdefine("etext", STEXT, 0);
xdefine("rodata", SRODATA, 0);
xdefine("erodata", SRODATA, 0);
xdefine("noptrdata", SBSS, 0);
xdefine("enoptrdata", SBSS, 0);
xdefine("data", SBSS, 0);
xdefine("edata", SBSS, 0);
xdefine("noptrdata", SNOPTRDATA, 0);
xdefine("enoptrdata", SNOPTRDATA, 0);
xdefine("data", SDATA, 0);
xdefine("edata", SDATA, 0);
xdefine("bss", SBSS, 0);
xdefine("ebss", SBSS, 0);
xdefine("noptrbss", SBSS, 0);
xdefine("enoptrbss", SBSS, 0);
xdefine("noptrbss", SNOPTRBSS, 0);
xdefine("enoptrbss", SNOPTRBSS, 0);
xdefine("end", SBSS, 0);
xdefine("epclntab", SRODATA, 0);
xdefine("esymtab", SRODATA, 0);