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@@ -0,0 +1,77 @@
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+format ELF64
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+
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+include './syscalls.inc'
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+include './types.inc'
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+include './utils.inc'
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+
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+section ".text" executable
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+
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+;; rdi -> const char *filename
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+;; rsi -> RET size_t *size
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+;; rax <- char *buf
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+;; rdx <- file_err err
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+;file_read_all:
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+; sys_open path, O_RDONLY, 0
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+; if_lt_jmp rax, -1, fail_open
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+; mov [fd], rax
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+; ret
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+;_file_read_all_fail_open:
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+
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+;; rdi -> const char *cstr1
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+;; rsi -> size_t cstr1_size
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+;; rdx -> const char *cstr2
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+;; rcx -> size_t cstr2_size
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+;; rax <- char *cstr
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+;; rdx <- size_t cstr_size
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+;str_concat:
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+; cmp cstr2_size, 0
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+; je _str_concat_empty
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+; ret
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+;_str_concat_empty:
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+; mov rax, rdi
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+; ret
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+
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+extrn alloc
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+
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+public _start
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+_start:
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+ pp aerr err
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+ pp _ptr ptr
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+ mov [_ptr.cap], 10
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+ mov rdi, [_ptr.cap]
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+ call alloc
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+ mov [_ptr], rax
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+ mov r10, [rdx]
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+ mov [aerr.code], r10
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+ add rdx, 8
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+ mov r10, [rdx]
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+ mov [aerr.name], r10
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+ add rdx, 8
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+ mov r10, [rdx]
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+ mov [aerr.name.size], r10
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+ sys_write 1, [aerr.name], [aerr.name.size]
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+ pp new_line db 10
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+ sys_write 1, new_line, new_line.size
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+ sys_munmap [_ptr], [_ptr.cap]
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+ sys_exit [aerr.code]
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+
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+fail_open:
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+ pp fail_open_msg db "Failed to open file", 10
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+ sys_write 2, fail_open_msg, fail_open_msg.size
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+ sys_exit 1
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+
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+fail_read:
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+ pp fail_read_msg db "Failed to read file", 10
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+ sys_write 2, fail_read_msg, fail_read_msg.size
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+ sys_exit 1
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+
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+fail_write:
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+ pp fail_write_msg db "Failed to write file", 10
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+ sys_write 2, fail_write_msg, fail_write_msg.size
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+ sys_exit 1
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+
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+section ".bss" writeable
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+
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+path db "./Makefile", 0
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+fd rq 1
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+msg db "Hello World", 10
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