Starting on asm, implementing extern function call so progress is visible

1 files changed, 136 insertions, 0 deletions

diff --git a/include/asm/x86_64.h b/include/asm/x86_64.h
new file mode 100644
index 0000000..92de96b
--- /dev/null
+++ b/include/asm/x86_64.h
@@ -0,0 +1,136 @@
+#ifndef AMAL_ASM_X86_64_H
+#define AMAL_ASM_X86_64_H
+
+#include "../std/misc.h"
+#include "../std/types.h"
+
+typedef struct {
+    void *code;
+    u8 *code_it;
+    usize size;
+} Asm;
+
+typedef enum {
+    EAX,
+    ECX,
+    EDX,
+    EBX,
+    ESP,
+    EBP,
+    ESI,
+    EDI
+} Reg32;
+
+typedef enum {
+    RAX,
+    RCX,
+    RDX,
+    RBX,
+    RSP,
+    RBP,
+    RSI,
+    RDI
+} Reg64;
+
+typedef struct {
+    Reg64 base;
+    Reg64 index;
+    i32 disp;
+    u8 scale;
+} AsmPtr;
+
+void asm_ptr_init(AsmPtr *self, Reg64 base);
+void asm_ptr_init_index(AsmPtr *self, Reg64 base, Reg64 index);
+void asm_ptr_init_disp(AsmPtr *self, Reg64 base, i32 disp);
+void asm_ptr_init_index_disp(AsmPtr *self, Reg64 base, Reg64 index, i32 disp);
+
+CHECK_RESULT int asm_init(Asm *self);
+void asm_deinit(Asm *self);
+
+CHECK_RESULT int asm_execute(Asm *self);
+
+CHECK_RESULT int asm_nop(Asm *self);
+
+
+
+
+
+
+
+
+
+CHECK_RESULT int asm_mov_mi(Asm *self, AsmPtr *dst, i32 immediate);
+CHECK_RESULT int asm_mov_mr(Asm *self, AsmPtr *dst, Reg64 src);
+CHECK_RESULT int asm_mov_rm(Asm *self, Reg64 dst, AsmPtr *src);
+CHECK_RESULT int asm_mov_ri(Asm *self, Reg64 dst, i64 immediate);
+CHECK_RESULT int asm_mov_rr(Asm *self, Reg64 dst, Reg64 src);
+
+CHECK_RESULT int asm_add_rr(Asm *self, Reg64 dst, Reg64 src);
+CHECK_RESULT int asm_sub_rr(Asm *self, Reg64 dst, Reg64 src);
+CHECK_RESULT int asm_imul_rr(Asm *self, Reg64 dst, Reg64 src);
+
+CHECK_RESULT int asm_pushr(Asm *self, Reg64 reg);
+CHECK_RESULT int asm_popr(Asm *self, Reg64 reg);
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+CHECK_RESULT int asm_mov_rm32(Asm *self, Reg32 dst, Reg32 src);
+CHECK_RESULT int asm_add_rm32(Asm *self, Reg32 dst, Reg32 src);
+CHECK_RESULT int asm_sub_rm32(Asm *self, Reg32 dst, Reg32 src);
+CHECK_RESULT int asm_and_rm32(Asm *self, Reg32 dst, Reg32 src);
+CHECK_RESULT int asm_or_rm32(Asm *self, Reg32 dst, Reg32 src);
+CHECK_RESULT int asm_xor_rm32(Asm *self, Reg32 dst, Reg32 src);
+CHECK_RESULT int asm_cmp_rm32(Asm *self, Reg32 dst, Reg32 src);
+CHECK_RESULT int asm_add_rm32_imm(Asm *self, Reg32 reg, i32 immediate);
+CHECK_RESULT int asm_or_rm32_imm(Asm *self, Reg32 reg, i32 immediate);
+CHECK_RESULT int asm_adc_rm32_imm(Asm *self, Reg32 reg, i32 immediate);
+CHECK_RESULT int asm_sbb_rm32_imm(Asm *self, Reg32 reg, i32 immediate);
+CHECK_RESULT int asm_and_rm32_imm(Asm *self, Reg32 reg, i32 immediate);
+CHECK_RESULT int asm_sub_rm32_imm(Asm *self, Reg32 reg, i32 immediate);
+CHECK_RESULT int asm_xor_rm32_imm(Asm *self, Reg32 reg, i32 immediate);
+CHECK_RESULT int asm_cmp_rm32_imm(Asm *self, Reg32 reg, i32 immediate);
+CHECK_RESULT int asm_rol_rm32_imm(Asm *self, Reg32 reg, i8 immediate);
+CHECK_RESULT int asm_ror_rm32_imm(Asm *self, Reg32 reg, i8 immediate);
+CHECK_RESULT int asm_rcl_rm32_imm(Asm *self, Reg32 reg, i8 immediate);
+CHECK_RESULT int asm_rcr_rm32_imm(Asm *self, Reg32 reg, i8 immediate);
+CHECK_RESULT int asm_shl_rm32_imm(Asm *self, Reg32 reg, i8 immediate);
+CHECK_RESULT int asm_shr_rm32_imm(Asm *self, Reg32 reg, i8 immediate);
+CHECK_RESULT int asm_sar_rm32_imm(Asm *self, Reg32 reg, i8 immediate);
+
+CHECK_RESULT int asm_mov_rm64(Asm *self, Reg64 dst, Reg64 src);
+CHECK_RESULT int asm_add_rm64(Asm *self, Reg64 dst, Reg64 src);
+CHECK_RESULT int asm_sub_rm64(Asm *self, Reg64 dst, Reg64 src);
+CHECK_RESULT int asm_and_rm64(Asm *self, Reg64 dst, Reg64 src);
+CHECK_RESULT int asm_or_rm64(Asm *self, Reg64 dst, Reg64 src);
+CHECK_RESULT int asm_xor_rm64(Asm *self, Reg64 dst, Reg64 src);
+CHECK_RESULT int asm_cmp_rm64(Asm *self, Reg64 dst, Reg64 src);
+CHECK_RESULT int asm_add_rm64_imm(Asm *self, Reg64 reg, i32 immediate);
+CHECK_RESULT int asm_or_rm64_imm(Asm *self, Reg64 reg, i32 immediate);
+CHECK_RESULT int asm_adc_rm64_imm(Asm *self, Reg64 reg, i32 immediate);
+CHECK_RESULT int asm_sbb_rm64_imm(Asm *self, Reg64 reg, i32 immediate);
+CHECK_RESULT int asm_and_rm64_imm(Asm *self, Reg64 reg, i32 immediate);
+CHECK_RESULT int asm_sub_rm64_imm(Asm *self, Reg64 reg, i32 immediate);
+CHECK_RESULT int asm_xor_rm64_imm(Asm *self, Reg64 reg, i32 immediate);
+CHECK_RESULT int asm_cmp_rm64_imm(Asm *self, Reg64 reg, i32 immediate);
+CHECK_RESULT int asm_rol_rm64_imm(Asm *self, Reg64 reg, i8 immediate);
+CHECK_RESULT int asm_ror_rm64_imm(Asm *self, Reg64 reg, i8 immediate);
+CHECK_RESULT int asm_rcl_rm64_imm(Asm *self, Reg64 reg, i8 immediate);
+CHECK_RESULT int asm_rcr_rm64_imm(Asm *self, Reg64 reg, i8 immediate);
+CHECK_RESULT int asm_shl_rm64_imm(Asm *self, Reg64 reg, i8 immediate);
+CHECK_RESULT int asm_shr_rm64_imm(Asm *self, Reg64 reg, i8 immediate);
+CHECK_RESULT int asm_sar_rm64_imm(Asm *self, Reg64 reg, i8 immediate);
+
+CHECK_RESULT int asm_ret(Asm *self, u16 bytes);
+
+#endif