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tidy support for helper function such as memmove

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tcc.h, tccgen.c: Introduce Sym *external_helper_sym(int v);
  to create an external reference with no specific type. This
  avoids type conflicts if the symbol is used from C too.
the other files: use it.
This commit is contained in:
grischka
2020-11-23 20:15:16 +01:00
parent 2f78f54924
commit 4a42b0d95e
8 changed files with 59 additions and 58 deletions
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12
arm64-gen.c
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@@ -662,7 +662,7 @@ static void arm64_gen_bl_or_b(int b)
static void gen_bounds_call(int v)
{
Sym *sym = external_global_sym(v, &func_old_type);
Sym *sym = external_helper_sym(v);
greloca(cur_text_section, sym, ind, R_AARCH64_CALL26, 0);
o(0x94000000); // bl
@@ -1782,7 +1782,7 @@ ST_FUNC void gen_opf(int op)
case TOK_GT: func = TOK___gttf2; cond = 13; break;
default: assert(0); break;
}
vpush_global_sym(&func_old_type, func);
vpush_helper_func(func);
vrott(3);
gfunc_call(2);
vpushi(0);
@@ -1885,7 +1885,7 @@ ST_FUNC void gen_cvt_itof(int t)
int func = (f & VT_BTYPE) == VT_LLONG ?
(f & VT_UNSIGNED ? TOK___floatunditf : TOK___floatditf) :
(f & VT_UNSIGNED ? TOK___floatunsitf : TOK___floatsitf);
vpush_global_sym(&func_old_type, func);
vpush_helper_func(func);
vrott(2);
gfunc_call(1);
vpushi(0);
@@ -1913,7 +1913,7 @@ ST_FUNC void gen_cvt_ftoi(int t)
int func = (t & VT_BTYPE) == VT_LLONG ?
(t & VT_UNSIGNED ? TOK___fixunstfdi : TOK___fixtfdi) :
(t & VT_UNSIGNED ? TOK___fixunstfsi : TOK___fixtfsi);
vpush_global_sym(&func_old_type, func);
vpush_helper_func(func);
vrott(2);
gfunc_call(1);
vpushi(0);
@@ -1947,7 +1947,7 @@ ST_FUNC void gen_cvt_ftof(int t)
int func = (t == VT_LDOUBLE) ?
(f == VT_FLOAT ? TOK___extendsftf2 : TOK___extenddftf2) :
(t == VT_FLOAT ? TOK___trunctfsf2 : TOK___trunctfdf2);
vpush_global_sym(&func_old_type, func);
vpush_helper_func(func);
vrott(2);
gfunc_call(1);
vpushi(0);
@@ -2061,7 +2061,7 @@ ST_FUNC void gen_vla_alloc(CType *type, int align) {
vtop->r = TREG_R(0);
o(0x910003e0 | vtop->r); // mov r0,sp
vswap();
vpush_global_sym(&func_old_type, TOK___bound_new_region);
vpush_helper_func(TOK___bound_new_region);
vrott(3);
gfunc_call(2);
func_bound_add_epilog = 1;