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6l, 8l: emit windows dwarf sections similar to other platforms

Browse Source 
R=golang-dev, rsc
CC=golang-dev, vcc.163
https://golang.org/cl/4517056
This commit is contained in:
Alex Brainman 2011-05-13 16:05:47 +10:00
parent 142008c325
commit 34ac4ec30c
4 changed files with 65 additions and 46 deletions
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68
src/cmd/6l/asm.c
View File

@ -787,40 +787,50 @@ asmb(void)
symo = rnd(symo, PEFILEALIGN);
break;
}
/*
* the symbol information is stored as
* 32-bit symbol table size
* 32-bit line number table size
* symbol table
* line number table
*/
seek(cout, symo+8, 0);
if(debug['v'])
Bprint(&bso, "%5.2f sp\n", cputime());
Bflush(&bso);
if(debug['v'])
Bprint(&bso, "%5.2f pc\n", cputime());
Bflush(&bso);
if(!debug['s'])
strnput("", INITRND-(8+symsize+lcsize)%INITRND);
cflush();
seek(cout, symo, 0);
lputl(symsize);
lputl(lcsize);
cflush();
if(HEADTYPE != Hwindows && !debug['s']) {
elfsymo = symo+8+symsize+lcsize;
seek(cout, elfsymo, 0);
asmelfsym64();
cflush();
elfstro = seek(cout, 0, 1);
elfsymsize = elfstro - elfsymo;
ewrite(cout, elfstrdat, elfstrsize);
switch(HEADTYPE) {
default:
if(iself) {
/*
* the symbol information is stored as
* 32-bit symbol table size
* 32-bit line number table size
* symbol table
* line number table
*/
seek(cout, symo+8, 0);
if(debug['v'])
Bprint(&bso, "%5.2f sp\n", cputime());
Bflush(&bso);
if(debug['v'])
Bprint(&bso, "%5.2f pc\n", cputime());
Bflush(&bso);
if(!debug['s'])
strnput("", INITRND-(8+symsize+lcsize)%INITRND);
cflush();
seek(cout, symo, 0);
lputl(symsize);
lputl(lcsize);
cflush();
elfsymo = symo+8+symsize+lcsize;
seek(cout, elfsymo, 0);
asmelfsym64();
cflush();
elfstro = seek(cout, 0, 1);
elfsymsize = elfstro - elfsymo;
ewrite(cout, elfstrdat, elfstrsize);
if(debug['v'])
Bprint(&bso, "%5.2f dwarf\n", cputime());
dwarfemitdebugsections();
}
break;
case Hwindows:
if(debug['v'])
Bprint(&bso, "%5.2f dwarf\n", cputime());
dwarfemitdebugsections();
break;
}
}

36
src/cmd/8l/asm.c
View File

@ -742,12 +742,29 @@ asmb(void)
symo = rnd(symo, INITRND);
break;
case Hwindows:
// TODO(brainman): not sure what symo meant to be, but it is not used for Windows PE for now anyway
symo = rnd(HEADR+segtext.filelen, PEFILEALIGN)+segdata.filelen;
symo = rnd(symo, PEFILEALIGN);
break;
}
if(HEADTYPE == Hplan9x32) {
switch(HEADTYPE) {
default:
if(iself) {
if(debug['v'])
Bprint(&bso, "%5.2f elfsym\n", cputime());
elfsymo = symo+8+symsize+lcsize;
seek(cout, elfsymo, 0);
asmelfsym32();
cflush();
elfstro = seek(cout, 0, 1);
elfsymsize = elfstro - elfsymo;
ewrite(cout, elfstrdat, elfstrsize);
if(debug['v'])
Bprint(&bso, "%5.2f dwarf\n", cputime());
dwarfemitdebugsections();
}
break;
case Hplan9x32:
seek(cout, symo, 0);
asmplan9sym();
cflush();
@ -760,20 +777,13 @@ asmb(void)
cflush();
}
} else if(iself) {
if(debug['v'])
Bprint(&bso, "%5.2f elfsym\n", cputime());
elfsymo = symo+8+symsize+lcsize;
seek(cout, elfsymo, 0);
asmelfsym32();
cflush();
elfstro = seek(cout, 0, 1);
elfsymsize = elfstro - elfsymo;
ewrite(cout, elfstrdat, elfstrsize);
break;
case Hwindows:
seek(cout, symo, 0);
if(debug['v'])
Bprint(&bso, "%5.2f dwarf\n", cputime());
dwarfemitdebugsections();
break;
}
}
if(debug['v'])

1
src/cmd/ld/dwarf.c
View File

@ -2562,7 +2562,6 @@ dwarfaddmachoheaders(void)
void
dwarfaddpeheaders(void)
{
dwarfemitdebugsections();
newPEDWARFSection(".debug_abbrev", abbrevsize);
newPEDWARFSection(".debug_line", linesize);
newPEDWARFSection(".debug_frame", framesize);

6
src/cmd/ld/pe.c
View File

@ -484,13 +484,13 @@ asmbpe(void)
d->Characteristics = IMAGE_SCN_CNT_INITIALIZED_DATA|
IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE;
if(!debug['s'])
dwarfaddpeheaders();
addimports(nextfileoff, d);
addexports(nextfileoff);
if(!debug['s'])
dwarfaddpeheaders();
addsymtable();
fh.NumberOfSections = nsect;