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Error on unrecognized relocations

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This commit is contained in:
Thomas Preud'homme 2016-12-05 20:58:00 +00:00
parent 557c5c1f11
commit e22249b81c
2 changed files with 6 additions and 1 deletions
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3
tcc.h
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@ -1323,13 +1323,14 @@ enum gotplt_entry {
/* what kind of relocation is it */
struct reloc_info {
int known; /* true for known relocation */
int code_reloc; /* if false, that's a data reloc */
int gotplt_entry; /* wether and when to create a GOT/PLT entry */
int pltoff_addend; /* wether to store the PLT offset in addend */
};
#define INIT_RELOC_INFO(rtype, code_reloc, gotplt_entry, pltoff_addend) \
[rtype] = {code_reloc, gotplt_entry, pltoff_addend},
[rtype] = {1, code_reloc, gotplt_entry, pltoff_addend},
ST_DATA struct reloc_info relocs_info[R_NUM];
ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */

4
tccelf.c
View File

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