GBA Core: Fix loading symbols from ELF files if the file doesn't end …

…with .elf

CHANGES

@@ -26,6 +26,7 @@ Other fixes:
  - GB, GBA Core: Fix memory leak if reloading debug symbols
  - GBA Audio: Fix crash if audio FIFOs and timers get out of sync
  - GBA Audio: Fix crash in audio subsampling if timing lockstep breaks
+ - GBA Core: Fix loading symbols from ELF files if the file doesn't end with .elf
  - GBA Memory: Let raw access read high MMIO addresses
  - Qt: Fix savestate preview sizes with different scales (fixes mgba.io/i/2560)
  - Qt: Fix potential crash when configuring shortcuts

src/gba/core.c

@@ -1242,6 +1242,7 @@ static void _GBACoreDetachDebugger(struct mCore* core) {
 }
 
 static void _GBACoreLoadSymbols(struct mCore* core, struct VFile* vf) {
+	struct GBA* gba = core->board;
 	bool closeAfter = false;
 	if (!core->symbolTable) {
 		core->symbolTable = mDebuggerSymbolTableCreate();
@@ -1263,6 +1264,16 @@ static void _GBACoreLoadSymbols(struct mCore* core, struct VFile* vf) {
 		vf = mDirectorySetOpenSuffix(&core->dirs, core->dirs.base, ".sym", O_RDONLY);
 	}
 #endif
+	if (!vf && gba->mbVf) {
+		vf = gba->mbVf;
+		seek = vf->seek(vf, 0, SEEK_CUR);
+		vf->seek(vf, 0, SEEK_SET);
+	}
+	if (!vf && gba->romVf) {
+		vf = gba->romVf;
+		seek = vf->seek(vf, 0, SEEK_CUR);
+		vf->seek(vf, 0, SEEK_SET);
+	}
 	if (!vf) {
 		return;
 	}