| //===-- Implementation of _start for riscv --------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| #include "src/__support/macros/attributes.h" |
| #include "startup/linux/do_start.h" |
| |
| extern "C" [[noreturn]] void _start() { |
| asm volatile(".option push\n\t" |
| ".option norelax\n\t" |
| "lla gp, __global_pointer$\n\t" |
| ".option pop\n\t"); |
| // Fetch the args using the frame pointer. |
| LIBC_NAMESPACE::app.args = reinterpret_cast<LIBC_NAMESPACE::Args *>( |
| reinterpret_cast<uintptr_t *>(__builtin_frame_address(0))); |
| LIBC_NAMESPACE::do_start(); |
| } |