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| author | Charles Cabergs <me@cacharle.xyz> | 2021-11-21 14:07:43 +0100 |
|---|---|---|
| committer | Charles Cabergs <me@cacharle.xyz> | 2021-11-21 14:07:43 +0100 |
| commit | 8c258327fe1c8f5038dcd0338c16c83767b97d1f (patch) | |
| tree | 1fcdc5cfe551a93da6da087c83f33c938a90c7b2 /bfc.c | |
| parent | 5677c3b8503292b02a516441ef9328b002142717 (diff) | |
| download | bfc-8c258327fe1c8f5038dcd0338c16c83767b97d1f.tar.gz bfc-8c258327fe1c8f5038dcd0338c16c83767b97d1f.tar.bz2 bfc-8c258327fe1c8f5038dcd0338c16c83767b97d1f.zip | |
Diffstat (limited to 'bfc.c')
| -rw-r--r-- | bfc.c | 19 |
1 files changed, 10 insertions, 9 deletions
@@ -30,8 +30,8 @@ static char *output_filename = NULL; static size_t buffer_len = 256; static size_t buffer_elem_bytes = 1; -static char *elem_bytes_asm_str = NULL; -static char *elem_bytes_asm_str_res = NULL; +static char *elem_bytes_asm_str = "byte"; +static char *elem_bytes_asm_str_res = "resb"; #define TMP_FILEPATH_TEMPLATE "/tmp/bfc_asm_XXXXXX" #define TMP_OBJ_FILEPATH_TEMPLATE (TMP_FILEPATH_TEMPLATE ".o") @@ -180,10 +180,11 @@ main(int argc, char *argv[]) fprintf(output_file, "global _start\n\n" "section .bss\n" - "\tbuffer: resb %zu\n\n" + "\tbuffer: %s %zu\n\n" "section .text\n" "_start:\n" "\tmov rbx, buffer\n", + elem_bytes_asm_str_res, buffer_len); size_t label_frame_id; @@ -193,16 +194,16 @@ main(int argc, char *argv[]) switch (c) { case '>': - fprintf(output_file, " inc rbx ; >\n"); + fprintf(output_file, " add rbx, %zu ; >\n", buffer_elem_bytes); break; case '<': - fprintf(output_file, " dec rbx ; <\n"); + fprintf(output_file, " sub rbx, %zu ; <\n", buffer_elem_bytes); break; case '+': - fprintf(output_file, " inc byte [rbx] ; +\n"); + fprintf(output_file, " inc %s [rbx] ; +\n", elem_bytes_asm_str); break; case '-': - fprintf(output_file, " dec byte [rbx] ; -\n"); + fprintf(output_file, " dec %s [rbx] ; -\n", elem_bytes_asm_str); break; case '.': fprintf(output_file, " mov rdi, 1 ; .\n"); @@ -224,7 +225,7 @@ main(int argc, char *argv[]) "label_open_%03zu_%03zu: ; [\n", label_stack_frame, label_frame_id); - fprintf(output_file, " cmp byte [rbx], 0 ; [\n"); + fprintf(output_file, " cmp %s [rbx], 0 ; [\n", elem_bytes_asm_str); fprintf(output_file, " je label_close_%03zu_%03zu ; [\n", label_stack_frame, @@ -238,7 +239,7 @@ main(int argc, char *argv[]) "label_close_%03zu_%03zu: ; ]\n", label_stack_frame, label_frame_id); - fprintf(output_file, " cmp byte [rbx], 0 ; ]\n"); + fprintf(output_file, " cmp %s [rbx], 0 ; ]\n", elem_bytes_asm_str); fprintf(output_file, " jne label_open_%03zu_%03zu ; ]\n", label_stack_frame, |