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https://github.com/zeldaret/oot.git
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90 lines
2.8 KiB
C
90 lines
2.8 KiB
C
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "spec.h"
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#include "util.h"
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void print_usage(char* prog_name) {
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printf("USAGE: %s SPEC OVERLAY_SEGMENT_NAME\n"
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"Search the preprocessed SPEC for an overlay segment name, \n"
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"e.g. \"ovl_En_Firefly\", and return a space-separated list of the files it\n"
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"includes. The relocation file must be the last include in the segment\n"
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"OVERLAY_SEGMENT_NAME, and have the filename \"OVERLAY_SEGMENT_NAME_reloc.o\",\n"
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"but can be in a different directory from the other files.\n",
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prog_name);
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}
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int main(int argc, char** argv) {
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char* spec_path;
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char* overlay_name;
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char* spec;
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size_t size;
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Segment segment;
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int exit_status = 0;
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bool segmentFound = false;
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if (argc != 3) {
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print_usage(argv[0]);
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return 1;
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}
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spec_path = argv[1];
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overlay_name = argv[2];
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// printf("spec path: %s\n", spec_path);
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// printf("overlay name: %s\n", overlay_name);
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spec = util_read_whole_file(spec_path, &size);
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segmentFound = get_single_segment_by_name(&segment, spec, overlay_name);
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if (!segmentFound) {
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fprintf(stderr, ERRMSG_START "no segment \"%s\" found\n" ERRMSG_END, overlay_name);
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goto error_out;
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}
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{
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size_t overlay_name_length;
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const char* reloc_suffix = "_reloc.o";
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char* expected_filename;
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/* Relocation file must be the last `include` (so .ovl section is linked last) */
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if (strstr(segment.includes[segment.includesCount - 1].fpath, reloc_suffix) == NULL) {
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fprintf(stderr, ERRMSG_START "last include in overlay segment \"%s\" is not a `%s` file\n" ERRMSG_END,
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overlay_name, reloc_suffix);
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goto error_out;
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}
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overlay_name_length = strlen(overlay_name);
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expected_filename = malloc(overlay_name_length + strlen(reloc_suffix) + 1);
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strcpy(expected_filename, overlay_name);
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strcat(expected_filename, reloc_suffix);
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if (strstr(segment.includes[segment.includesCount - 1].fpath, expected_filename) == NULL) {
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fprintf(stderr, ERRMSG_START "Relocation file \"%s\" should have filename \"%s\"\n" ERRMSG_END,
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segment.includes[segment.includesCount - 1].fpath, expected_filename);
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goto error_out;
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}
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free(expected_filename);
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}
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{
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int i;
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/* Skip `_reloc.o` include */
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for (i = 0; i < segment.includesCount - 1; i++) {
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printf("%s ", segment.includes[i].fpath);
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}
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putchar('\n');
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}
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if (0) {
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error_out:
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exit_status = 1;
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}
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free_single_segment_elements(&segment);
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free(spec);
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return exit_status;
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}
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