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| author | Max Filippov <jcmvbkbc@gmail.com> | 2024-06-01 03:39:03 -0700 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@openadk.org> | 2024-06-04 16:40:42 +0200 |
| commit | 138274e92a01be8a98392489b1a2f497ab11c201 (patch) | |
| tree | f0be841a1e915e86d4215326a13654f8034632a4 /libc/sysdeps/linux/xtensa/clone.S | |
| parent | 8bb33a2e1f2baec2078581d77e181f1ead5f51aa (diff) | |
xtensa: add FDPIC support
This change implements Xtensa FDPIC ABI as specified in the first
version of the following document:
https://github.com/jcmvbkbc/xtensa-abi/blob/master/fdpic-xtensa.txt
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'libc/sysdeps/linux/xtensa/clone.S')
| -rw-r--r-- | libc/sysdeps/linux/xtensa/clone.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/xtensa/clone.S b/libc/sysdeps/linux/xtensa/clone.S index ebfdcc1f6..a11044cd0 100644 --- a/libc/sysdeps/linux/xtensa/clone.S +++ b/libc/sysdeps/linux/xtensa/clone.S @@ -81,11 +81,17 @@ ENTRY (__clone) callx4 a2 #elif defined(__XTENSA_CALL0_ABI__) mov a2, a9 /* load up the 'arg' parameter */ +#ifdef __FDPIC__ + mov a12, a11 + l32i a11, a7, 4 + l32i a7, a7, 0 +#endif 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) + FDPIC_LOAD_JUMPTARGET(a0, a12, a0) callx0 a0 #else #error Unsupported Xtensa ABI |