Retro68/gcc/newlib/libc/machine/tic80/setjmp.S
Wolfgang Thaller ec13cc9ce7 fix newlib
2018-12-29 09:59:36 +01:00

51 lines
850 B
ArmAsm

/* These are predefined by new versions of GNU cpp. */
#ifndef __USER_LABEL_PREFIX__
#define __USER_LABEL_PREFIX__ _
#endif
/* ANSI concatenation macros. */
#define CONCAT1(a, b) CONCAT2(a, b)
#define CONCAT2(a, b) a ## b
/* Use the right prefix for global labels. */
#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
.global SYM (setjmp)
.global SYM (_setjmp)
.global SYM (longjmp)
.section .text,"x"
.align 4
SYM (_setjmp):
SYM (setjmp):
st.d 0(r2),r20
st.d 8(r2),r22
st.d 16(r2),r24
st.d 24(r2),r26
st.d 32(r2),r28
st.d 40(r2),r30
st 48(r2),r1
jsr r31(r0),r0
addu 0,r0,r2
.section .text,"x"
.align 4
SYM (longjmp):
ld.d 0(r2),r20
ld.d 8(r2),r22
ld.d 16(r2),r24
ld.d 24(r2),r26
ld.d 32(r2),r28
ld.d 40(r2),r30
bcnd L1,r4,ne0.w
ld 48(r2),r1
jsr r31(r0),r0
addu 1,r0,r2
L1:
jsr r31(r0),r0
addu r4,r0,r2