summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/lm32/setjmp.S
diff options
context:
space:
mode:
authorWaldemar Brodkorb <wbx@openadk.org>2015-10-17 11:17:07 +0200
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2015-10-19 01:37:11 +0200
commit312f482d395b591398296b5472a3884a12716cbd (patch)
tree682402fa4c470d4aa7c1334f7616408779559a8f /libc/sysdeps/linux/lm32/setjmp.S
parentc807e03c88504cf01508daa6dbae9e93dacfcf3c (diff)
lm32: add new architecture
Add support for FPGA systems from Lattice Semiconductor http://www.latticesemi.com Merge https://github.com/m-labs/uclibc-lm32.git
Diffstat (limited to 'libc/sysdeps/linux/lm32/setjmp.S')
-rw-r--r--libc/sysdeps/linux/lm32/setjmp.S53
1 files changed, 53 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/lm32/setjmp.S b/libc/sysdeps/linux/lm32/setjmp.S
new file mode 100644
index 000000000..6badd8099
--- /dev/null
+++ b/libc/sysdeps/linux/lm32/setjmp.S
@@ -0,0 +1,53 @@
+#define _SETJMP_H
+#define _ASM
+#include <bits/setjmp.h>
+
+#include <libc-symbols.h>
+
+.text
+.global C_SYMBOL_NAME(setjmp)
+.type C_SYMBOL_NAME(setjmp),@function
+.align 4
+
+C_SYMBOL_NAME(setjmp):
+ mvi r2, 1 /* save the signal mask */
+ bi C_SYMBOL_NAME(__sigsetjmp)
+
+.text
+.global C_SYMBOL_NAME(_setjmp)
+.type C_SYMBOL_NAME(_setjmp),@function
+.align 4
+
+C_SYMBOL_NAME(_setjmp):
+ mvi r2, 0 /* don't save the signal mask */
+ bi C_SYMBOL_NAME(__sigsetjmp)
+
+.text
+.global C_SYMBOL_NAME(__sigsetjmp)
+.type C_SYMBOL_NAME(__sigsetjmp),@function
+.align 4
+
+C_SYMBOL_NAME(__sigsetjmp):
+ /* save registers relative to r1 (arg0) */
+ sw (r1+0), r11
+ sw (r1+4), r12
+ sw (r1+8), r13
+ sw (r1+12), r14
+ sw (r1+16), r15
+ sw (r1+20), r16
+ sw (r1+24), r17
+ sw (r1+28), r18
+ sw (r1+32), r19
+ sw (r1+36), r20
+ sw (r1+40), r21
+ sw (r1+44), r22
+ sw (r1+48), r23
+ sw (r1+52), r24
+ sw (r1+56), r25
+ sw (r1+60), gp
+ sw (r1+64), fp
+ sw (r1+68), sp
+ sw (r1+72), ra
+
+ /* make a tail call to __sigjmp_save; it takes the same args */
+ bi C_SYMBOL_NAME(__sigjmp_save)