generated from loic/c-template
WIP
This commit is contained in:
lohhiiccc
parent
47c36518cd
commit
4844f4be1b
2 changed files with 155 additions and 3 deletions
20
Makefile
20
Makefile
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@ -7,6 +7,12 @@ COLLEEN = Colleen
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GRACE = Grace
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SULLY = Sully
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COLLEEN_ASM_SRCS = $(SRC_DIR)/Colleen.s
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COLLEEN_ASM = Colleen_asm
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NASM = nasm
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NASMFLAGS = -f elf64
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LD = ld
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.DEFAULT_GOAL := all
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MAKEFLAGS += --no-print-directory
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@ -26,8 +32,10 @@ GRACE_DEPS = $(GRACE_OBJS:.o=.d)
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SULLY_OBJS = $(SULLY_SRCS:$(SRC_DIR)/%.c=$(OBJ_DIR)/%.o)
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SULLY_DEPS = $(SULLY_OBJS:.o=.d)
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COLLEEN_ASM_OBJS = $(COLLEEN_ASM_SRCS:$(SRC_DIR)/%.s=$(OBJ_DIR)/%.asm.o)
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.PHONY: all
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all: $(COLLEEN) $(GRACE) $(SULLY)
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all: $(COLLEEN) $(GRACE) $(SULLY) $(COLLEEN_ASM)
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$(GRACE): $(GRACE_OBJS)
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$(CC) $(LDFLAGS) -o $@ $^
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@ -38,10 +46,17 @@ $(COLLEEN): $(COLLEEN_OBJS)
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$(SULLY): $(SULLY_OBJS)
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$(CC) $(LDFLAGS) -o $@ $^
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$(COLLEEN_ASM): $(COLLEEN_ASM_OBJS)
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$(LD) -o $@ $^
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$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c
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@mkdir -p $(dir $@)
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$(CC) $(CPPFLAGS) $(CFLAGS) -MMD -MP -c $< -o $@
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$(OBJ_DIR)/%.asm.o: $(SRC_DIR)/%.s
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@mkdir -p $(dir $@)
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$(NASM) $(NASMFLAGS) $< -o $@
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-include $(COLLEEN_DEPS)
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-include $(GRACE_DEPS)
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-include $(SULLY_DEPS)
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@ -52,9 +67,8 @@ clean:
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.PHONY: fclean
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fclean: clean
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$(RM) $(COLLEEN) $(GRACE) $(SULLY)
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$(RM) $(COLLEEN) $(GRACE) $(SULLY) $(COLLEEN_ASM)
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.PHONY: re
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re: fclean
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$(MAKE) all
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138
src/Colleen.s
Normal file
138
src/Colleen.s
Normal file
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@ -0,0 +1,138 @@
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global _start
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section .rodata
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src: db 103, 108, 111, 98, 97, 108, 32, 95, 115, 116, 97, 114, 116, 10, 10, 115, 101, 99, 116, 105, 111, 110, 32, 46, 114, 111, 100, 97, 116, 97, 10, 115, 114, 99, 58, 32, 100, 98, 32, 34, "~", 34, 10, 115, 114, 99, 95, 108, 101, 110, 58, 32, 101, 113, 117, 32, 36, 32, 45, 32, 115, 114, 99, 10, 10, 115, 101, 99, 116, 105, 111, 110, 32, 46, 116, 101, 120, 116, 10, 10, 59, 112, 114, 105, 110, 116, 95, 110, 117, 109, 98, 101, 114, 58, 10, 9, 10, 10, 95, 115, 116, 97, 114, 116, 58, 10, 9, 112, 117, 115, 104, 32, 114, 49, 52, 59, 32, 105, 110, 116, 32, 105, 10, 9, 112, 117, 115, 104, 32, 114, 49, 51, 10, 9, 120, 111, 114, 32, 114, 49, 52, 44, 32, 114, 49, 52, 32, 59, 32, 105, 32, 61, 32, 48, 10, 10, 9, 46, 108, 111, 111, 112, 58, 10, 9, 59, 32, 105, 102, 32, 105, 32, 62, 32, 115, 114, 99, 95, 108, 101, 110, 10, 9, 99, 109, 112, 32, 114, 49, 52, 44, 32, 115, 114, 99, 95, 108, 101, 110, 10, 9, 106, 103, 32, 46, 100, 111, 110, 101, 32, 59, 32, 98, 114, 101, 97, 107, 59, 10, 10, 9, 59, 114, 49, 51, 32, 61, 32, 97, 100, 100, 114, 32, 111, 102, 32, 115, 114, 99, 32, 43, 32, 105, 10, 9, 108, 101, 97, 32, 114, 49, 51, 44, 32, 91, 114, 101, 108, 32, 115, 114, 99, 93, 10, 9, 97, 100, 100, 32, 114, 49, 51, 44, 32, 114, 49, 52, 10, 9, 10, 9, 99, 109, 112, 32, 98, 121, 116, 101, 32, 91, 114, 49, 51, 93, 44, 32, 49, 50, 54, 10, 9, 106, 101, 32, 46, 101, 115, 99, 97, 112, 101, 10, 10, 10, 9, 59, 32, 119, 114, 105, 116, 101, 32, 49, 44, 32, 114, 49, 51, 44, 32, 49, 10, 9, 109, 111, 118, 32, 101, 97, 120, 44, 32, 49, 10, 9, 109, 111, 118, 32, 114, 100, 105, 44, 32, 49, 10, 9, 109, 111, 118, 32, 114, 115, 105, 44, 32, 114, 49, 51, 10, 9, 109, 111, 118, 32, 114, 100, 120, 44, 32, 49, 10, 9, 115, 121, 115, 99, 97, 108, 108, 10, 9, 106, 109, 112, 32, 46, 101, 115, 99, 97, 112, 101, 95, 100, 111, 110, 101, 10, 10, 9, 46, 101, 115, 99, 97, 112, 101, 58, 10, 9, 112, 117, 115, 104, 32, 114, 49, 49, 10, 9, 120, 111, 114, 32, 114, 49, 49, 44, 32, 114, 49, 49, 32, 59, 32, 106, 32, 61, 32, 48, 10, 9, 46, 101, 95, 108, 111, 111, 112, 58, 10, 9, 99, 109, 112, 32, 114, 49, 49, 44, 32, 115, 114, 99, 95, 108, 101, 110, 10, 9, 106, 103, 32, 46, 101, 115, 99, 97, 112, 101, 95, 100, 111, 110, 101, 10, 10, 9, 109, 111, 118, 32, 101, 97, 120, 44, 32, 49, 10, 9, 109, 111, 118, 32, 114, 100, 105, 44, 32, 49, 10, 9, 109, 111, 118, 32, 114, 115, 105, 44, 32, 34, 44, 32, 34, 10, 9, 109, 111, 118, 32, 114, 100, 120, 44, 32, 50, 10, 9, 115, 121, 115, 99, 97, 108, 108, 10, 10, 9, 108, 101, 97, 32, 114, 97, 120, 44, 32, 91, 114, 101, 108, 32, 115, 114, 99, 93, 10, 9, 97, 100, 100, 32, 114, 97, 120, 44, 32, 114, 49, 49, 10, 9, 109, 111, 118, 32, 97, 108, 44, 32, 91, 114, 97, 120, 93, 10, 9, 59, 99, 97, 108, 108, 32, 112, 114, 105, 110, 116, 95, 110, 117, 109, 98, 101, 114, 10, 10, 9, 105, 110, 99, 32, 114, 49, 49, 10, 9, 106, 109, 112, 32, 46, 101, 95, 108, 111, 111, 112, 10, 9, 46, 101, 115, 99, 97, 112, 101, 95, 100, 111, 110, 101, 58, 10, 9, 112, 111, 112, 32, 114, 49, 49, 10, 10, 9, 105, 110, 99, 32, 114, 49, 52, 32, 59, 32, 43, 43, 105, 10, 9, 106, 109, 112, 32, 46, 108, 111, 111, 112, 10, 10, 9, 46, 100, 111, 110, 101, 58, 10, 9, 109, 111, 118, 32, 101, 97, 120, 44, 32, 54, 48, 32, 9, 9, 9, 9, 9, 59, 32, 83, 89, 83, 95, 101, 120, 105, 116, 10, 9, 120, 111, 114, 32, 101, 100, 105, 44, 32, 101, 100, 105, 9, 9, 9, 9, 9, 59, 32, 99, 111, 100, 101, 32, 61, 32, 48, 10, 9, 115, 121, 115, 99, 97, 108, 108, 10
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src_len: equ $ - src
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sep: db ", "
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zero_str: db "0"
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section .text
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;void putnumber(uint8_t n)
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;{
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; char buffer[3];
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; int len;
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; int i;
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;
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; if (n == 0)
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; {
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; write(1, "0", 1);
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; return ;
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; }
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; len = 0;
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; while (n > 0)
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; {
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; buffer[len] = (n % 10);
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;buffer[len] += '0'
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; n /= 10;
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; len++;
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; }
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; i = len - 1;
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; write(1, &buffer[i], len);
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print_number:
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push rbp
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mov rbp, rsp
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sub rsp, 16
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; al = n (uint8_t)
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; [rbp - 1] = buffer[0]
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; [rbp - 2] = buffer[1]
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; [rbp - 3] = buffer[2]
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; [rbp - 4] = len (int)
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; [rbp - 8] = i (int)
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cmp al, 0
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jne .e_write_0
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mov eax, 1
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mov rdi, 1
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lea rsi, [rel zero_str]
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mov rdx, 1
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syscall
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jmp .end
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.e_write_0:
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mov dword [rbp - 4], 0 ; len = 0
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.loop: ; while n > 0
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cmp al, 0
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jle .done
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;lea rax, [rbp - 1]
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;add rax, [rbp - 4]
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;
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movzx rax, al ; rax <- n
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xor rdx, rdx ; rdx = 0
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mov rcx, 10 ; rxc = 10
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div rcx ; n / 10
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inc dword [rbp - 4] ; len ++
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jmp .loop
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.done:
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; write 1 buffer len
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mov eax, 1
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mov rdi, 1
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lea rsi, [rbp - 1]
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mov edx, [rbp - 4]
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syscall
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.end:
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mov rsp, rbp
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pop rbp
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ret
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_start:
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push r14; int i
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push r13
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xor r14, r14 ; i = 0
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.loop:
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; if i > src_len
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cmp r14, src_len
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jg .done ; break;
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;r13 = addr of src + i
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lea r13, [rel src]
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add r13, r14
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cmp byte [r13], 126
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je .escape
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; write 1, r13, 1
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mov eax, 1
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mov rdi, 1
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mov rsi, r13
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mov rdx, 1
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syscall
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jmp .escape_done
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.escape:
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push r11
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xor r11, r11 ; j = 0
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.e_loop:
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cmp r11, src_len
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jg .escape_done
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mov eax, 1
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mov rdi, 1
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lea rsi, [rel sep]
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mov rdx, 2
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syscall
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lea rax, [rel src]
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add rax, r11
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mov al, [rax]
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call print_number
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inc r11
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jmp .e_loop
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.escape_done:
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inc r14 ; ++i
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jmp .loop
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.done:
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mov eax, 60 ; SYS_exit
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xor edi, edi ; code = 0
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syscall
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