diff options
Diffstat (limited to 'kjarna_runtime/start_x86_64.S')
| -rw-r--r-- | kjarna_runtime/start_x86_64.S | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/kjarna_runtime/start_x86_64.S b/kjarna_runtime/start_x86_64.S new file mode 100644 index 0000000..f7725c6 --- /dev/null +++ b/kjarna_runtime/start_x86_64.S @@ -0,0 +1,57 @@ +#include <kc.h> + +.section .text.start + +.extern kjarna_entry + +.hidden _start +.global _start +.type _start, @function +_start: + push %rbp + push %rdi + push %rsi + mov %rsp, %rbp + and $-0x10, %rsp + lea kc_image_base(%rip), %rdi + lea _DYNAMIC(%rip), %rsi + call kc_dynamic_init + mov %rbp, %rsp + pop %rsi + pop %rdi + mov %rsp, %rbp + and $-0x10, %rsp + call kjarna_entry + mov %rbp, %rsp + pop %rbp + ret +.size _start, . - _start + +.section .text + +.hidden _rtld_link +.global _rtld_link +.type _rtld_link, @function +_rtld_link: + push %rbp + mov %rsp, %rbp + push %rdx + push %rsi + push %rdi + mov 8(%rbp), %rdi + mov 16(%rbp), %rsi + push %rbp + mov %rsp, %rbp + and $-0x10, %rsp + call kc_dynamic_link + mov %rbp, %rsp + pop %rbp + pop %rdi + pop %rsi + pop %rdx + mov %rbp, %rsp + pop %rbp + add $0x10, %rsp + jmp *(%rax) +.size _rtld_link, . - _rtld_link + |