Error on unrecognized relocations

Thomas Preud'homme committed 9 years ago

Commit e22249b1 parent 557c5c12 files · +6 −1Browse files

Unified · Split

2 files

tcc.h +2 −1
tccelf.c +4 −0

tcc.h+2−1

@@ -1323,13 +1323,14 @@ enum gotplt_entry { · 1322 unmodified lines
1323	1323
1324	1324	/* what kind of relocation is it */
1325	1325	struct reloc_info {
	1326	+ int known; /* true for known relocation */
1326	1327	int code_reloc; /* if false, that's a data reloc */
1327	1328	int gotplt_entry; /* wether and when to create a GOT/PLT entry */
1328	1329	int pltoff_addend; /* wether to store the PLT offset in addend */
1329	1330	};
1330	1331
1331	1332	#define INIT_RELOC_INFO(rtype, code_reloc, gotplt_entry, pltoff_addend) \
1332		− [rtype] = {code_reloc, gotplt_entry, pltoff_addend},
	1333	+ [rtype] = {1, code_reloc, gotplt_entry, pltoff_addend},
1333	1334	ST_DATA struct reloc_info relocs_info[R_NUM];
1334	1335
1335	1336	ST_DATA Section text_section, data_section, bss_section; / predefined sections */

@@ -1042,6 +1042,10 @@ ST_FUNC void build_got_entries(TCCState *s1) · 1041 unmodified lines
1042	1042	type = ELFW(R_TYPE)(rel->r_info);
1043	1043	sym_index = ELFW(R_SYM)(rel->r_info);
1044	1044	sym = &((ElfW(Sym) *)symtab_section->data)[sym_index];
	1045	+
	1046	+ if (type >= R_NUM \|\| !relocs_info[type].known)
	1047	+ tcc_error("Unknown relocation: %d\n", type);
	1048	+
1045	1049	if (relocs_info[type].gotplt_entry == NO_GOTPLT_ENTRY)
1046	1050	continue;
1047	1051