void
asmbpe(void)
{
IMAGE_SECTION_HEADER *t, *d;
switch(thechar) {
default:
diag("unknown PE architecture");
errorexit();
case '6':
fh.Machine = IMAGE_FILE_MACHINE_AMD64;
break;
case '8':
fh.Machine = IMAGE_FILE_MACHINE_I386;
break;
}
t = addpesection(".text", segtext.len, segtext.len);
t->Characteristics = IMAGE_SCN_CNT_CODE|
IMAGE_SCN_CNT_INITIALIZED_DATA|
IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ;
chksectseg(t, &segtext);
textsect = nsect;
d = addpesection(".data", segdata.len, segdata.filelen);
d->Characteristics = IMAGE_SCN_CNT_INITIALIZED_DATA|
IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE;
chksectseg(d, &segdata);
if(!debug['s'])
dwarfaddpeheaders();
cseek(nextfileoff);
addimports(d);
addexports();
addsymtable();
addpersrc();
fh.NumberOfSections = nsect;
fh.TimeDateStamp = time(0);
fh.Characteristics = IMAGE_FILE_RELOCS_STRIPPED|
IMAGE_FILE_EXECUTABLE_IMAGE|IMAGE_FILE_DEBUG_STRIPPED;
if (pe64) {
fh.SizeOfOptionalHeader = sizeof(oh64);
fh.Characteristics |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
set(Magic, 0x20b); // PE32+
} else {
fh.SizeOfOptionalHeader = sizeof(oh);
fh.Characteristics |= IMAGE_FILE_32BIT_MACHINE;
set(Magic, 0x10b); // PE32
oh.BaseOfData = d->VirtualAddress;
}
set(MajorLinkerVersion, 3);
set(MinorLinkerVersion, 0);
set(SizeOfCode, t->SizeOfRawData);
set(SizeOfInitializedData, d->SizeOfRawData);
set(SizeOfUninitializedData, 0);
set(AddressOfEntryPoint, entryvalue()-PEBASE);
set(BaseOfCode, t->VirtualAddress);
set(ImageBase, PEBASE);
set(SectionAlignment, PESECTALIGN);
set(FileAlignment, PEFILEALIGN);
set(MajorOperatingSystemVersion, 4);
set(MinorOperatingSystemVersion, 0);
set(MajorImageVersion, 1);
set(MinorImageVersion, 0);
set(MajorSubsystemVersion, 4);
set(MinorSubsystemVersion, 0);
set(SizeOfImage, nextsectoff);
set(SizeOfHeaders, PEFILEHEADR);
if(strcmp(headstring, "windowsgui") == 0)
set(Subsystem, IMAGE_SUBSYSTEM_WINDOWS_GUI);
else
set(Subsystem, IMAGE_SUBSYSTEM_WINDOWS_CUI);
// Disable stack growth as we don't want Windows to
// fiddle with the thread stack limits, which we set
// ourselves to circumvent the stack checks in the
// Windows exception dispatcher.
// Commit size must be strictly less than reserve
// size otherwise reserve will be rounded up to a
// larger size, as verified with VMMap.
// Go code would be OK with 64k stacks, but we need larger stacks for cgo.
// That default stack reserve size affects only the main thread,
// for other threads we specify stack size in runtime explicitly
// (runtime knows whether cgo is enabled or not).
// If you change stack reserve sizes here,
// change STACKSIZE in runtime/cgo/gcc_windows_{386,amd64}.c as well.
if(!iscgo) {
set(SizeOfStackReserve, 0x00010000);
set(SizeOfStackCommit, 0x0000ffff);
} else {
set(SizeOfStackReserve, pe64 ? 0x00200000 : 0x00100000);
// account for 2 guard pages
set(SizeOfStackCommit, (pe64 ? 0x00200000 : 0x00100000) - 0x2000);
}
set(SizeOfHeapReserve, 0x00100000);
set(SizeOfHeapCommit, 0x00001000);
set(NumberOfRvaAndSizes, 16);
pewrite();
}
void
asmbpe(void)
{
IMAGE_SECTION_HEADER *t, *d;
switch(thechar) {
default:
diag("unknown PE architecture");
errorexit();
case '6':
fh.Machine = IMAGE_FILE_MACHINE_AMD64;
break;
case '8':
fh.Machine = IMAGE_FILE_MACHINE_I386;
break;
}
t = addpesection(".text", segtext.len, segtext.len, &segtext);
t->Characteristics = IMAGE_SCN_CNT_CODE|
IMAGE_SCN_CNT_INITIALIZED_DATA|
IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ;
d = addpesection(".data", segdata.len, segdata.filelen, &segdata);
d->Characteristics = IMAGE_SCN_CNT_INITIALIZED_DATA|
IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE;
if(!debug['s'])
dwarfaddpeheaders();
addimports(nextfileoff, d);
addexports(nextfileoff);
addsymtable();
addpersrc();
fh.NumberOfSections = nsect;
fh.TimeDateStamp = time(0);
fh.Characteristics = IMAGE_FILE_RELOCS_STRIPPED|
IMAGE_FILE_EXECUTABLE_IMAGE|IMAGE_FILE_DEBUG_STRIPPED;
if (pe64) {
fh.SizeOfOptionalHeader = sizeof(oh64);
fh.Characteristics |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
set(Magic, 0x20b); // PE32+
} else {
fh.SizeOfOptionalHeader = sizeof(oh);
fh.Characteristics |= IMAGE_FILE_32BIT_MACHINE;
set(Magic, 0x10b); // PE32
oh.BaseOfData = d->VirtualAddress;
}
set(MajorLinkerVersion, 1);
set(MinorLinkerVersion, 0);
set(SizeOfCode, t->SizeOfRawData);
set(SizeOfInitializedData, d->SizeOfRawData);
set(SizeOfUninitializedData, 0);
set(AddressOfEntryPoint, entryvalue()-PEBASE);
set(BaseOfCode, t->VirtualAddress);
set(ImageBase, PEBASE);
set(SectionAlignment, PESECTALIGN);
set(FileAlignment, PEFILEALIGN);
set(MajorOperatingSystemVersion, 4);
set(MinorOperatingSystemVersion, 0);
set(MajorImageVersion, 1);
set(MinorImageVersion, 0);
set(MajorSubsystemVersion, 4);
set(MinorSubsystemVersion, 0);
set(SizeOfImage, nextsectoff);
set(SizeOfHeaders, PEFILEHEADR);
if(strcmp(headstring, "windowsgui") == 0)
set(Subsystem, IMAGE_SUBSYSTEM_WINDOWS_GUI);
else
set(Subsystem, IMAGE_SUBSYSTEM_WINDOWS_CUI);
set(SizeOfStackReserve, 0x0040000);
set(SizeOfStackCommit, 0x00001000);
set(SizeOfHeapReserve, 0x00100000);
set(SizeOfHeapCommit, 0x00001000);
set(NumberOfRvaAndSizes, 16);
pewrite();
}
