emit.h

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#ifndef INFIX_EMIT_H
#define INFIX_EMIT_H
 
#include <infix/infix.h>
#include <stdbool.h>
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#if defined(_WIN32) || defined(__CYGWIN__)
#define INFIX_EMIT_API __declspec(dllexport)
#else
#define INFIX_EMIT_API __attribute__((visibility("default")))
#endif
 
typedef enum {
    EMIT_ARCH_X86_64,
    EMIT_ARCH_AARCH64,
} emit_architecture_t;
 
typedef enum {
    EMIT_FORMAT_BINARY,
    EMIT_FORMAT_ELF,
    EMIT_FORMAT_PE,
} emit_format_t;
 
typedef enum {
    EMIT_SECTION_FLAG_NONE = 0,
    EMIT_SECTION_FLAG_ALLOC = 1 << 0,
    EMIT_SECTION_FLAG_WRITE = 1 << 1,
    EMIT_SECTION_FLAG_EXECUTE = 1 << 2,
} emit_section_flags_t;
 
typedef enum {
    EMIT_VISIBILITY_DEFAULT,
    EMIT_VISIBILITY_HIDDEN,
    EMIT_VISIBILITY_PROTECTED,
} emit_visibility_t;
 
typedef enum {
    EMIT_STATE_IDLE,
    EMIT_STATE_SECTION_ACTIVE,
    EMIT_STATE_SECTION_INACTIVE,
} emit_state_t;
 
typedef struct emit_context emit_context_t;
 
INFIX_EMIT_API infix_status emit_create(emit_context_t ** out_ctx, emit_architecture_t arch, emit_format_t format);
INFIX_EMIT_API void emit_destroy(emit_context_t * ctx);
 
INFIX_EMIT_API infix_status emit_add_section(emit_context_t * ctx, const char * name, emit_section_flags_t flags);
INFIX_EMIT_API infix_status emit_begin_section(emit_context_t * ctx, const char * name);
 
INFIX_EMIT_API infix_status emit_define_symbol(emit_context_t * ctx,
                                               const char * name,
                                               emit_visibility_t visibility,
                                               bool is_function);
INFIX_EMIT_API infix_status emit_emit_label(emit_context_t * ctx, const char * name);
INFIX_EMIT_API infix_status emit_create_label(emit_context_t * ctx, const char * name);
 
INFIX_EMIT_API infix_status emit_emit_u8(emit_context_t * ctx, uint8_t value);
INFIX_EMIT_API infix_status emit_emit_u16(emit_context_t * ctx, uint16_t value);
INFIX_EMIT_API infix_status emit_emit_u32(emit_context_t * ctx, uint32_t value);
INFIX_EMIT_API infix_status emit_emit_u64(emit_context_t * ctx, uint64_t value);
 
INFIX_EMIT_API infix_status emit_get_binary(const emit_context_t * ctx, const uint8_t ** out_data, size_t * out_size);
INFIX_EMIT_API infix_status emit_get_offset(const emit_context_t * ctx, uint64_t * out_offset);
 
INFIX_EMIT_API infix_status emit_align(emit_context_t * ctx, uint64_t alignment);
 
#ifdef __cplusplus
}
#endif
 
#endif /* INFIX_EMIT_H */