diff options
Diffstat (limited to 'lib/libc/linker')
-rw-r--r-- | lib/libc/linker/entry.S | 51 | ||||
-rw-r--r-- | lib/libc/linker/entry.c | 60 |
2 files changed, 0 insertions, 111 deletions
diff --git a/lib/libc/linker/entry.S b/lib/libc/linker/entry.S deleted file mode 100644 index 1f982f9..0000000 --- a/lib/libc/linker/entry.S +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of Hyra nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#if !defined(__hyra__) -#error "Hyra supported only" -#endif - -#include <sys/syscall.h> - -.section .text, "ax", @progbits -.globl _start -_start: - // Mark end of callstack - xor %rbp, %rbp - - // Load process context as per the sysv AMD64 ABI - lea (%rsp), %rdi - call entry - - // We are done, now we exit - mov $SYS_exit, %rax - xor %rdi, %rdi - int $0x80 - nop - ud2 diff --git a/lib/libc/linker/entry.c b/lib/libc/linker/entry.c deleted file mode 100644 index 55bf312..0000000 --- a/lib/libc/linker/entry.c +++ /dev/null @@ -1,60 +0,0 @@ -/* - * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of Hyra nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/syscall.h> -#include <sys/auxv.h> -#include <stdint.h> -#include <stddef.h> -#include <elf.h> - -#if !defined(__hyra__) -#error "Hyra supported only" -#endif - -void -entry(const uint64_t *ctx) -{ - uint64_t argc = *ctx; - uint64_t auxv[AT_MAX_COUNT] = {0}; - int envc; - - const char **argv = (const char **)(ctx + 1); - const char **envp = (const char **)(argv + argc + 1); - struct auxv_entry *auxvp; - - /* Read-in auxiliary vector */ - auxvp = (struct auxv_entry *)(envp + envc + 1); - for (; auxvp->tag != AT_NULL; ++auxvp) { - if (auxvp->tag < AT_MAX_COUNT) { - auxv[auxvp->tag] = auxvp->val; - } - } - - /* TODO */ -} |