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mkspecrules cleanup

This commit is contained in:
Tharo 2025-09-09 00:04:29 +01:00
parent 254d0952d3
commit 92db06611c
1 changed files with 16 additions and 15 deletions
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31
tools/mkspecrules.c
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@ -19,6 +19,16 @@ static void write_progbits_section(FILE *fout, struct Segment *seg, const char *
fprintf(fout, " }\n");
}
static void write_noload_section(FILE *fout, struct Segment *seg, const char *section_name)
{
fprintf(fout, " .%s (NOLOAD) :\n {\n", section_name);
for (int i = 0; i < seg->includesCount; i++)
fprintf(fout, " %s(.%s*)\n", seg->includes[i].fpath, section_name);
fprintf(fout, " }\n");
}
/**
* Write a linker script for partial linking of a single segment.
*
@ -36,11 +46,7 @@ static void write_linker_script(FILE *fout, struct Segment *seg)
write_progbits_section(fout, seg, "text");
write_progbits_section(fout, seg, "data");
write_progbits_section(fout, seg, "rodata");
fprintf(fout, " .bss (NOLOAD) :\n {\n");
for (int i = 0; i < seg->includesCount; i++)
fprintf(fout, " %s(.bss*)\n", seg->includes[i].fpath);
fprintf(fout, " }\n");
write_noload_section(fout, seg, "bss");
/* GNU ld assumes that the linker script always combines .gptab.data and
* .gptab.sdata into .gptab.sdata, and likewise for .gptab.bss and .gptab.sbss.
@ -57,17 +63,13 @@ static void write_linker_script(FILE *fout, struct Segment *seg)
static void write_overlay_rules(FILE *fout, const char *ovls_dir)
{
int i, j;
for (i = 0; i < g_segmentsCount; i++) {
for (int i = 0; i < g_segmentsCount; i++) {
Segment *seg = &g_segments[i];
/* Write rule for partial linkage of this segment */
fprintf(fout, "%s/%s.plf:", ovls_dir, seg->name);
for (j = 0; j < seg->includesCount; j++) {
/* TODO this is incompatible with a unified linker script, we'll need to write a linker script
for each segment. */
if (seg->includes[j].fpath[0] != '*')
for (int j = 0; j < seg->includesCount; j++) {
if (seg->includes[j].fpath[0] != '*') /* Skip iQue bss files */
fprintf(fout, " \\\n\t\t%s", seg->includes[j].fpath);
}
fprintf(fout, " \\\n\t\t$(SEGMENTS_DIR)/Makefile");
@ -79,13 +81,12 @@ static void write_overlay_rules(FILE *fout, const char *ovls_dir)
/* List every expected plf in a variable */
fprintf(fout, "SEGMENT_FILES :=");
for (i = 0; i < g_segmentsCount; i++) {
for (int i = 0; i < g_segmentsCount; i++)
fprintf(fout, " \\\n\t\t%s/%s.plf", ovls_dir, g_segments[i].name);
}
/* List overlay plfs in a variable */
fprintf(fout, "\n\nOVL_SEGMENT_FILES :=");
for (i = 0; i < g_segmentsCount; i++) {
for (int i = 0; i < g_segmentsCount; i++) {
if (!(g_segments[i].flags & FLAG_OVL))
continue;
fprintf(fout, " \\\n\t\t%s/%s.plf", ovls_dir, g_segments[i].name);