RISC-V: Fix alignment issue in sigjmp_buf

2017-11-17 14:50:52 +08:00 · 2017-11-17 14:50:52 +08:00 · cba678ba02
parent 4cd1905add
commit cba678ba02
1 changed files with 3 additions and 1 deletions
--- a/newlib/libc/include/machine/setjmp.h
+++ b/newlib/libc/include/machine/setjmp.h
@ -359,7 +359,9 @@ _BEGIN_STD_C
 #endif

 #ifdef __riscv
-#define _JBTYPE long
+/* _JBTYPE using long long to make sure the alignment is align to 8 byte,
+   otherwise in rv32imafd, store/restore FPR may mis-align.  */
+#define _JBTYPE long long
 #ifdef __riscv_32e
 #define _JBLEN ((4*sizeof(long))/sizeof(long))
 #else