diff options
| -rw-r--r-- | file.inc | 17 | ||||
| -rw-r--r-- | main.asm | 28 |
2 files changed, 41 insertions, 4 deletions
@@ -1,6 +1,7 @@ %ifndef FILE_INC %define FILE_INC -%define FBUF_DEFAULT_SIZE 1024*32 +%define FBUF_DEFAULT_SIZE 16 +%define FBUF_ALLOC_SIZE 1024*32 %ifndef SYS_INC %include "sys.inc" %endif @@ -96,6 +97,20 @@ ffopen: pop rbp ret +ffread: + push rbp + mov rbp, rsp + mov rdi, [rax + fd] + mov rdi, [rdi] + mov rsi, [rax + buffer] + mov rdx, [rax + size] + mov rax, SYS_READ + syscall + ;; + mov rsp, rbp + pop rbp + ret + print_filedata: push rbp mov rbp, rsp @@ -70,20 +70,42 @@ _main: m_bind data_to_zstring_mh m_call print_zstring + ;; m_call ffopen, rel m_test_file + ;; flen test_file + ;; push rax + ;; m_return rel m_test_mdots + ;; m_bind data_to_zstring_md + ;; m_call print_zstring + ;; pop rax + ;; cmp rax, FBUF_DEFAULT_SIZE + ;; ja .error.exit + ;; fbegin test_file + ;; fread test_file + ;; fclose test_file + + ;; m_call print_filedata, rel m_test_file + + alloc FBUF_ALLOC_SIZE + mov rbx, rax m_call ffopen, rel m_test_file + mov [rel test_file_filedata + buffer], rbx + mov qword [rel test_file_filedata + size], FBUF_ALLOC_SIZE flen test_file push rax m_return rel m_test_mdots m_bind data_to_zstring_md m_call print_zstring pop rax - cmp rax, FBUF_DEFAULT_SIZE + cmp rax, FBUF_ALLOC_SIZE ja .error.exit fbegin test_file - fread test_file + lea rax, [rel test_file_filedata] + call ffread fclose test_file - m_call print_filedata, rel m_test_file + mov rax, [rel test_file_filedata + buffer] + call print_zstring + free rbx, FBUF_ALLOC_SIZE exit_prog |