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[clink] Fill BSS section by zeroes

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git-svn-id: svn://kolibrios.org@8618 a494cfbc-eb01-0410-851d-a64ba20cac60
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Magomed Kostoev (mkostoevr) 2021-02-28 15:28:03 +00:00
parent 07643c3fde
commit bbfb3b311f
1 changed files with 15 additions and 3 deletions
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18
programs/develop/clink/main.c
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@ -217,10 +217,22 @@ static void build(ObjectIr *ir) {
if (!epep_get_section_header_by_index(epep, &sh, id.sec_id)) {
ERROR_EPEP(epep);
}
char *buf = malloc(sh.SizeOfRawData);
if (!epep_get_section_contents(epep, &sh, buf)) {
ERROR_EPEP(epep);
// If the section contains uninitialized data (BSS)
// it should be filled by zeroes
// Yes, current implementation emits BSS sections too
// cause KOS has no idea they should be allocated automatically
// cause FASM has no idea they should be generated without contents
// cause Tomasz Grysztar didn't care
char *buf = calloc(sh.SizeOfRawData, 1);
// Othervice it should be filled by its contents from source object
if (!(sh.Characteristics & 0x00000080)) {
if (!epep_get_section_contents(epep, &sh, buf)) {
ERROR_EPEP(epep);
}
}
fwrite(buf, 1, sh.SizeOfRawData, out);
}
printf("Done.\n");