| author | pcpa <paulo.cesar.pereira.de.andrade@gmail.com> | 2015年05月01日 14:05:00 -0300 |
|---|---|---|
| committer | pcpa <paulo.cesar.pereira.de.andrade@gmail.com> | 2015年05月01日 14:05:00 -0300 |
| commit | 8cb302f33713b7d174886c74dfbb20b3bbcd94b4 (patch) | |
| tree | 713862bbd419fcfd8ce8db133120730d5dc6bce8 /lib/jit_arm.c | |
| parent | 0986ae8a862028e0acc95795de13254fe1559638 (diff) | |
| download | lightning-8cb302f33713b7d174886c74dfbb20b3bbcd94b4.tar.gz | |
| -rw-r--r-- | lib/jit_arm.c | 26 |
diff --git a/lib/jit_arm.c b/lib/jit_arm.c index 6b3b3a3..66ce126 100644 --- a/lib/jit_arm.c +++ b/lib/jit_arm.c @@ -51,6 +51,10 @@ typedef union _jit_thumb_t { jit_int16_t s[2]; } jit_thumb_t; +typedef struct jit_va_list { + jit_pointer_t stack; +} jit_va_list_t; + /* * Prototypes */ @@ -415,6 +419,15 @@ _jit_ellipsis(jit_state_t *_jit) else { assert(!(_jitc->function->self.call & jit_call_varargs)); _jitc->function->self.call |= jit_call_varargs; + + /* Allocate va_list like object in the stack. */ + _jitc->function->vaoff = jit_allocai(sizeof(jit_va_list_t)); + + /* First 4 stack addresses are always spilled r0-r3 */ + if (jit_arg_reg_p(_jitc->function->self.argi)) + _jitc->function->vagp = _jitc->function->self.argi * 4; + else + _jitc->function->vagp = 16; } } @@ -1703,9 +1716,22 @@ _emit_code(jit_state_t *_jit) else vfp_movi_d(rn(node->u.w), node->w.d); break; + case jit_code_va_start: + vastart(rn(node->u.w)); + break; + case jit_code_va_arg: + vaarg(rn(node->u.w), rn(node->v.w)); + break; + case jit_code_va_arg_d: + if (jit_swf_p()) + swf_vaarg_d(rn(node->u.w), rn(node->v.w)); + else + vfp_vaarg_d(rn(node->u.w), rn(node->v.w)); + break; case jit_code_live: case jit_code_arg: case jit_code_arg_f: case jit_code_arg_d: + case jit_code_va_end: break; default: abort(); |