mirror of https://github.com/Nonannet/copapy.git
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
#ifndef RUNMEM_H
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#define RUNMEM_H
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#include <stdint.h>
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#ifdef ENABLE_LOGGING
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#define LOG(...) printf(__VA_ARGS__)
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#define BLOG(...) printf(__VA_ARGS__)
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#elif ENABLE_BASIC_LOGGING
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#define LOG(...)
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#define BLOG(...) printf(__VA_ARGS__)
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#else
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#define LOG(...)
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#define BLOG(...)
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#endif
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/* Command opcodes used by the parser */
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#define ALLOCATE_DATA 1
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#define COPY_DATA 2
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#define ALLOCATE_CODE 3
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#define COPY_CODE 4
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#define PATCH_FUNC 0x1000
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#define PATCH_FUNC_ARM32_THM 0x1005
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#define PATCH_OBJECT 0x2000
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#define PATCH_OBJECT_HI21 0x2001
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#define PATCH_OBJECT_ABS 0x2002
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#define PATCH_OBJECT_REL 0x2003
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#define PATCH_OBJECT_ARM32_ABS 0x2004
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#define ENTRY_POINT 7
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#define RUN_PROG 64
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#define READ_DATA 65
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#define END_COM 256
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#define FREE_MEMORY 257
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#define DUMP_CODE 258
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/* Entry point type */
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typedef int (*entry_point_t)(void);
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/* Struct for run-time memory state */
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typedef struct runmem_s {
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uint8_t *data_memory; // Pointer to data memory
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uint32_t data_memory_len; // Length of data memory
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uint8_t *executable_memory; // Pointer to executable memory
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uint32_t executable_memory_len; // Length of executable memory
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int data_offs; // Offset of data memory relative to executable memory
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entry_point_t entr_point; // Entry point function pointer
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} runmem_t;
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/* Command parser: takes a pointer to the command stream and returns
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an error flag (0 on success according to current code) */
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int parse_commands(runmem_t *context, uint8_t *bytes);
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/* Free program and data memory */
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void free_memory(runmem_t *context);
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#endif /* RUNMEM_H */ |