diff options
Diffstat (limited to 'libc/sysdeps/linux/xtensa/clone.S')
| -rw-r--r-- | libc/sysdeps/linux/xtensa/clone.S | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/libc/sysdeps/linux/xtensa/clone.S b/libc/sysdeps/linux/xtensa/clone.S index 34d68a875..88cd6c1c3 100644 --- a/libc/sysdeps/linux/xtensa/clone.S +++ b/libc/sysdeps/linux/xtensa/clone.S @@ -51,7 +51,7 @@ ENTRY (__clone) mov a8, a6 /* use a8 as a temp */ mov a6, a4 mov a4, a8 - l32i a8, a1, 16 /* child_tid */ + l32i a8, a1, FRAMESIZE /* child_tid */ movi a2, SYS_ify(clone) /* syscall(NR_clone,clone_flags, usp, parent_tid, child_tls, child_tid) @@ -65,7 +65,7 @@ ENTRY (__clone) /* fall through for parent */ .Lpseudo_end: - retw + abi_ret .Leinval: movi a2, -EINVAL @@ -94,17 +94,26 @@ ENTRY (__clone) /* start child thread */ movi a0, 0 /* terminate the stack frame */ + +#if defined(__XTENSA_WINDOWED_ABI__) mov a6, a9 /* load up the 'arg' parameter */ callx4 a7 /* call the user's function */ /* Call _exit. Note that any return parameter from the user's function in a6 is seen as inputs to _exit. */ -#ifdef PIC - movi a2, _exit@PLT + movi a2, JUMPTARGET(_exit) + callx4 a2 +#elif defined(__XTENSA_CALL0_ABI__) + mov a2, a9 /* load up the 'arg' parameter */ + callx0 a7 /* call the user's function */ + + /* Call _exit. Note that any return parameter from the user's + function in a2 is seen as inputs to _exit. */ + movi a0, JUMPTARGET(_exit) + callx0 a0 #else - movi a2, _exit +#error Unsupported Xtensa ABI #endif - callx4 a2 PSEUDO_END (__clone) |