diff options
Diffstat (limited to 'ldso/ldso/xtensa/resolve.S')
| -rw-r--r-- | ldso/ldso/xtensa/resolve.S | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/ldso/ldso/xtensa/resolve.S b/ldso/ldso/xtensa/resolve.S index 8061af247..12a554de7 100644 --- a/ldso/ldso/xtensa/resolve.S +++ b/ldso/ldso/xtensa/resolve.S @@ -31,6 +31,7 @@ .global _dl_linux_resolve .type _dl_linux_resolve, @function _dl_linux_resolve: +#if defined(__XTENSA_WINDOWED_ABI__) /* Call the fixup function. */ movi a8, _dl_linux_resolver callx8 a8 @@ -47,4 +48,38 @@ _dl_linux_resolve: /* Jump to the next instruction past the ENTRY. */ addi a10, a10, 3 jx a10 +#elif defined(__XTENSA_CALL0_ABI__) + /* Reserve stack space and save incoming arguments. */ + addi a1, a1, -32 + s32i a0, a1, 0 + s32i a2, a1, 8 + s32i a3, a1, 12 + s32i a4, a1, 16 + s32i a5, a1, 20 + s32i a6, a1, 24 + s32i a7, a1, 28 + + /* Move arguments for the _dl_linux_resolver to proper registers. */ + mov a2, a10 + mov a3, a11 + /* Call the fixup function. */ + movi a0, _dl_linux_resolver + callx0 a0 + mov a10, a2 + + /* Restore incoming arguments from stack and deallocate reservation. */ + l32i a0, a1, 0 + l32i a2, a1, 8 + l32i a3, a1, 12 + l32i a4, a1, 16 + l32i a5, a1, 20 + l32i a6, a1, 24 + l32i a7, a1, 28 + addi a1, a1, 32 + + /* Jump to the target function. */ + jx a10 +#else +#error Unsupported Xtensa ABI +#endif .size _dl_linux_resolve, . - _dl_linux_resolve |