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Exclude ellipsis functions from bounds checking.

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This fails on i386.
This commit is contained in:
herman ten brugge 2020-01-16 09:40:33 +01:00
parent c2976962da
commit 4092b05068
1 changed files with 5 additions and 4 deletions
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9
tccgen.c
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@ -1615,10 +1615,10 @@ static void add_local_bounds(Sym *s, Sym *e)
#endif #endif
/* Wrapper around sym_pop, that potentially also registers local bounds. */ /* Wrapper around sym_pop, that potentially also registers local bounds. */
static void pop_local_syms(Sym **ptop, Sym *b, int keep) static void pop_local_syms(Sym **ptop, Sym *b, int keep, int ellipsis)
{ {
#ifdef CONFIG_TCC_BCHECK #ifdef CONFIG_TCC_BCHECK
if (!keep && tcc_state->do_bounds_check) if (!ellipsis && !keep && tcc_state->do_bounds_check)
add_local_bounds(*ptop, b); add_local_bounds(*ptop, b);
#endif #endif
sym_pop(ptop, b, keep); sym_pop(ptop, b, keep);
@ -6411,7 +6411,7 @@ void prev_scope(struct scope *o, int is_expr)
tables, though. sym_pop will do that. */ tables, though. sym_pop will do that. */
/* pop locally defined symbols */ /* pop locally defined symbols */
pop_local_syms(&local_stack, o->lstk, is_expr); pop_local_syms(&local_stack, o->lstk, is_expr, 0);
cur_scope = o->prev; cur_scope = o->prev;
--local_scope; --local_scope;
@ -7656,7 +7656,8 @@ static void gen_function(Sym *sym, AttributeDef *ad)
gsym(rsym); gsym(rsym);
nocode_wanted = 0; nocode_wanted = 0;
/* reset local stack */ /* reset local stack */
pop_local_syms(&local_stack, NULL, 0); pop_local_syms(&local_stack, NULL, 0,
sym->type.ref->f.func_type == FUNC_ELLIPSIS);
gfunc_epilog(); gfunc_epilog();
cur_text_section->data_offset = ind; cur_text_section->data_offset = ind;
local_scope = 0; local_scope = 0;