diff options
Diffstat (limited to 'mdk-stage1/dietlibc/alpha/unified.S')
| -rw-r--r-- | mdk-stage1/dietlibc/alpha/unified.S | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/alpha/unified.S b/mdk-stage1/dietlibc/alpha/unified.S new file mode 100644 index 000000000..02a1c9bcd --- /dev/null +++ b/mdk-stage1/dietlibc/alpha/unified.S @@ -0,0 +1,29 @@ +#include <dietfeatures.h> + +.global __unified_syscall +__unified_syscall: + callsys + bne $19, .Lerror + ret $31, ($26), 0x01 + +.Lerror: +.global error_unified_syscall +error_unified_syscall: +#ifdef WANT_THREAD_SAVE + lda $sp, -16($sp) /* alloc 2 qwords on stack */ + stq $26, 0($sp) /* save ra to stack */ + stq $0, 8($sp) /* save v0 to stack */ + + jsr $26, __errno_location /* call __errno_location */ + + ldq $1, 8($sp) /* write old v0 to errno */ + stl $1, 0($0) + + lda $0, -1($31) /* new return value is -1 */ + ldq $26, 0($sp) /* restore return address */ + lda $sp, 16($sp) /* free 2 qwords on stack */ +#else + lda $1, errno + stl $0, 0($1) +#endif + ret $31, ($26), 0x01 /* return */ |