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| author | Aryadev Chavali <aryadev@aryadevchavali.com> | 2023-11-01 22:55:41 +0000 |
|---|---|---|
| committer | Aryadev Chavali <aryadev@aryadevchavali.com> | 2023-11-01 22:55:41 +0000 |
| commit | 46e5abbac9d8e4d9257e59cd0f8b73f509e4a512 (patch) | |
| tree | c3591a87b1fb221205662c5e44b10137fa2c26df /lib | |
| parent | b6e359f5ebf914ecbe2b4c68d7d800e32005a7cd (diff) | |
| download | ovm-46e5abbac9d8e4d9257e59cd0f8b73f509e4a512.tar.gz ovm-46e5abbac9d8e4d9257e59cd0f8b73f509e4a512.tar.bz2 ovm-46e5abbac9d8e4d9257e59cd0f8b73f509e4a512.zip | |
Added instructions for MALLOC_STACK and SUB
MALLOC_STACK is a stack based version of MALLOC, SUB does subtraction.
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/inst.c | 20 | ||||
| -rw-r--r-- | lib/inst.h | 10 |
2 files changed, 26 insertions, 4 deletions
@@ -59,6 +59,12 @@ const char *opcode_as_cstr(opcode_t code) return "MALLOC_HWORD"; case OP_MALLOC_WORD: return "MALLOC_WORD"; + case OP_MALLOC_STACK_BYTE: + return "MALLOC_STACK_BYTE"; + case OP_MALLOC_STACK_HWORD: + return "MALLOC_STACK_HWORD"; + case OP_MALLOC_STACK_WORD: + return "MALLOC_STACK_WORD"; case OP_MSET_BYTE: return "MSET_BYTE"; case OP_MSET_HWORD: @@ -171,6 +177,12 @@ const char *opcode_as_cstr(opcode_t code) return "PLUS_HWORD"; case OP_PLUS_WORD: return "PLUS_WORD"; + case OP_SUB_BYTE: + return "SUB_BYTE"; + case OP_SUB_HWORD: + return "SUB_HWORD"; + case OP_SUB_WORD: + return "SUB_WORD"; case OP_MULT_BYTE: return "MULT_BYTE"; case OP_MULT_HWORD: @@ -229,7 +241,7 @@ void data_print(data_t datum, data_type_t type, FILE *fp) void inst_print(inst_t instruction, FILE *fp) { - static_assert(NUMBER_OF_OPCODES == 90, "inst_bytecode_size: Out of date"); + static_assert(NUMBER_OF_OPCODES == 96, "inst_bytecode_size: Out of date"); fprintf(fp, "%s(", opcode_as_cstr(instruction.opcode)); if (OPCODE_IS_TYPE(instruction.opcode, OP_PUSH)) { @@ -262,7 +274,7 @@ void inst_print(inst_t instruction, FILE *fp) size_t inst_bytecode_size(inst_t inst) { - static_assert(NUMBER_OF_OPCODES == 90, "inst_bytecode_size: Out of date"); + static_assert(NUMBER_OF_OPCODES == 96, "inst_bytecode_size: Out of date"); size_t size = 1; // for opcode if (OPCODE_IS_TYPE(inst.opcode, OP_PUSH)) { @@ -287,7 +299,7 @@ size_t inst_bytecode_size(inst_t inst) void inst_write_bytecode(inst_t inst, darr_t *darr) { - static_assert(NUMBER_OF_OPCODES == 90, "inst_write_bytecode: Out of date"); + static_assert(NUMBER_OF_OPCODES == 96, "inst_write_bytecode: Out of date"); // Append opcode darr_append_byte(darr, inst.opcode); // Then append 0 or more operands @@ -363,7 +375,7 @@ data_t read_type_from_darr(darr_t *darr, data_type_t type) inst_t inst_read_bytecode(darr_t *darr) { - static_assert(NUMBER_OF_OPCODES == 90, "inst_read_bytecode: Out of date"); + static_assert(NUMBER_OF_OPCODES == 96, "inst_read_bytecode: Out of date"); if (darr->used >= darr->available) return (inst_t){0}; inst_t inst = {0}; @@ -49,6 +49,10 @@ typedef enum OP_MALLOC_HWORD, OP_MALLOC_WORD, + OP_MALLOC_STACK_BYTE, + OP_MALLOC_STACK_HWORD, + OP_MALLOC_STACK_WORD, + OP_MSET_BYTE, OP_MSET_HWORD, OP_MSET_WORD, @@ -122,6 +126,10 @@ typedef enum OP_PLUS_HWORD, OP_PLUS_WORD, + OP_SUB_BYTE, + OP_SUB_HWORD, + OP_SUB_WORD, + OP_MULT_BYTE, OP_MULT_HWORD, OP_MULT_WORD, @@ -196,6 +204,7 @@ inst_t *insts_read_bytecode_file(FILE *, size_t *); #define INST_MALLOC(TYPE, OP) \ ((inst_t){.opcode = OP_MALLOC_##TYPE, .operand = DWORD(OP)}) +#define INST_MALLOC_STACK(TYPE) ((inst_t){.opcode = OP_MALLOC_STACK_##TYPE}) #define INST_MSET(TYPE, OP) \ ((inst_t){.opcode = OP_MSET_##TYPE, .operand = DWORD(OP)}) #define INST_MSET_STACK(TYPE) ((inst_t){.opcode = OP_MSET_STACK_##TYPE}) @@ -215,6 +224,7 @@ inst_t *insts_read_bytecode_file(FILE *, size_t *); #define INST_GT(TYPE) ((inst_t){.opcode = OP_GT_##TYPE}) #define INST_GTE(TYPE) ((inst_t){.opcode = OP_GTE_##TYPE}) #define INST_PLUS(TYPE) ((inst_t){.opcode = OP_PLUS_##TYPE}) +#define INST_SUB(TYPE) ((inst_t){.opcode = OP_SUB_##TYPE}) #define INST_MULT(TYPE) ((inst_t){.opcode = OP_MULT_##TYPE}) #define INST_JUMP_ABS(OP) \ |