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Restrict arm64 old-style vararg handling to PE

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This commit is contained in:
Benjamin Oldenburg 2026-03-15 23:47:09 +07:00
parent 55acb9272e
commit e661cb9a62
1 changed files with 2 additions and 7 deletions
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9
arm64-gen.c
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@ -862,13 +862,6 @@ static unsigned long arm64_pcs_aux(int variadic, int n, CType **type, unsigned l
unsigned long ns = 32; // next stack offset
int i;
#if defined(TCC_TARGET_MACHO)
/* Old-style / unprototyped calls must follow the variadic stack rules
from the first argument on Darwin. */
if (variadic < 0)
nx = 8, nv = 8;
#endif
for (i = 0; i < n; i++) {
int hfa = arm64_hfa(type[i], 0);
int win_vararg_float = 0;
@ -1111,8 +1104,10 @@ ST_FUNC void gfunc_call(int nb_args)
if (variadic)
pcs_variadic = var_nb_arg;
#ifdef TCC_TARGET_PE
else if (old_style)
pcs_variadic = ARM64_PCS_ALL_VARARGS;
#endif
stack = arm64_pcs(pcs_variadic, nb_args, t, a);
// Allocate space for structs replaced by pointer: