scc

commit 089001cf022662342949760e254ee19f09123350
parent 0f79c5f471ea50fbe25862dfdf257f2e93387ac9
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Thu, 21 Mar 2024 07:24:06 +0100

libmach/coff32: Set f_symptr in coff2write

The file f_symptr is a file offset that points to the symbol table, and
in case of having a symbol table it must be correctly set, but it was not.

Diffstat:
M
src/libmach/coff32/coff32write.c
 | 
13
++++++++++---

1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/src/libmach/coff32/coff32write.c b/src/libmach/coff32/coff32write.c
@@ -338,13 +338,20 @@ coff32write(Obj *obj, Map *map, FILE *fp)
 
 	ptr = ftell(fp);
 	obj->pos = ptr;
-	ptr += FILHSZ + AOUTSZ + n*hdr->f_nscns;
 
 	n = hdr->f_nscns;
+	ptr += FILHSZ + hdr->f_opthdr + n*SCNHSZ;
 	for (scn = coff->scns; n--; scn++) {
-		scn->s_scnptr = ptr;
-		ptr += scn->s_size;
+		/* TODO: Check if the section is allocated */
+		if (scn->s_flags & STYP_BSS) {
+			scn->s_scnptr = 0;
+			continue;
+		} else {
+			scn->s_scnptr = ptr;
+			ptr += scn->s_size;
+		}
 	}
+	hdr->f_symptr = (hdr->f_nsyms > 0) ? ptr : 0;
 
 	n = hdr->f_nscns;
 	for (scn = coff->scns; n--; scn++) {