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Source map in DebugInfo. IVM needs to port its stuff over eventually.

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This commit is contained in:
Ben Vanik
2014-01-25 21:20:28 -08:00
parent 4609339c5a
commit 0cca23cdd7
12 changed files with 135 additions and 19 deletions
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22
src/alloy/runtime/debug_info.h
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@@ -25,10 +25,20 @@ enum DebugInfoFlags {
DEBUG_INFO_HIR_DISASM = (1 << 3),
DEBUG_INFO_MACHINE_CODE_DISASM = (1 << 4),
DEBUG_INFO_SOURCE_MAP = (1 << 5),
DEBUG_INFO_DEFAULT = DEBUG_INFO_SOURCE_MAP,
DEBUG_INFO_ALL_DISASM = 0xFFFF,
};
typedef struct SourceMapEntry_s {
uint64_t source_offset; // Original source address/offset.
uint64_t hir_offset; // Block ordinal (16b) | Instr ordinal (16b)
uint64_t code_offset; // Offset from emitted code start.
} SourceMapEntry;
class DebugInfo {
public:
DebugInfo();
@@ -43,16 +53,20 @@ public:
const char* machine_code_disasm() const { return machine_code_disasm_; }
void set_machine_code_disasm(char* value) { machine_code_disasm_ = value; }
// map functions: source addr -> hir index (raw?)
// hir index (raw?) to lir index (raw?)
// lir index (raw?) to machine code offset
// source -> machine code offset
void InitializeSourceMap(size_t source_map_count,
SourceMapEntry* source_map);
SourceMapEntry* LookupSourceOffset(uint64_t offset);
SourceMapEntry* LookupHIROffset(uint64_t offset);
SourceMapEntry* LookupCodeOffset(uint64_t offset);
private:
char* source_disasm_;
char* raw_hir_disasm_;
char* hir_disasm_;
char* machine_code_disasm_;
size_t source_map_count_;
SourceMapEntry* source_map_;
};