87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
//---
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// fxos.disasm-passes.print: Concrete program printer
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//
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// This pass prints the program and some to all of its annotations, depending
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// on the specified parameters.
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//---
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#ifndef LIBFXOS_DISASM_PASSES_PRINT_H
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#define LIBFXOS_DISASM_PASSES_PRINT_H
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#include <fxos/disassembly.h>
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#include <fxos/symbols.h>
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#include <fxos/os.h>
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namespace FxOS {
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class PrintPass: public InstructionDisassemblyPass
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{
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public:
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PrintPass(Disassembly &disasm,
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std::vector<SymbolTable> const &symtables);
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void analyze(uint32_t pc, ConcreteInstruction &inst) override;
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//---
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// Print pass parameters
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//---
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/* Promotion parameters. Default is always to append. */
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enum Promotion {
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/* Never promote */
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Never=1,
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/* Promote but keep the lower-level information */
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Append=0,
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/* Promote and hide the lower-level information */
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Promote=2,
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};
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/** In the following, promote_x always means promote *to x* **/
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/* In jumps, promote "pc+<disp>" to the target address */
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int promote_pcjump_loc;
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/* In a PC-relative mov, promote "@(<disp>,pc)" to computed address */
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int promote_pcrel_loc;
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/* In a PC-relative mov, promote address to pointed value */
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int promote_pcrel_value;
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/* Promote an integer to a syscall number */
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int promote_syscall;
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/* Promote a syscall number to a syscall name */
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int promote_syscallname;
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/* Promote an integer to a symbol */
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int promote_symbol;
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/* In a mova, promote "pc+<disp>" to the computed address */
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int promote_pcaddr_loc;
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/* TODO: More print pass parameters */
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private:
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/* Symbol tables to look up names */
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std::vector<SymbolTable> const &m_symtables;
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/* Query symbol tables, most recent first */
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std::optional<std::string> symquery(Symbol::Type type, uint32_t value);
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/* OS for the target, to mark syscalls before instructions */
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std::unique_ptr<OS> m_os;
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/* Last printed address (for ellipses) */
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uint32_t m_last_address;
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/** Internal promotion tree printers **/
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void queue(std::string, bool = false);
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void queue_flush();
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std::vector<std::string> m_messages;
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void pcjumploc(ConcreteInstructionArg const &);
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void pcrelloc(ConcreteInstructionArg const &);
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void pcrelval(ConcreteInstructionArg const &);
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void syscall(ConcreteInstructionArg const &);
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void syscallname(ConcreteInstructionArg const &);
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void symbol(ConcreteInstructionArg const &);
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void pcaddrloc(ConcreteInstructionArg const &);
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};
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} /* namespace FxOS */
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#endif /* LIBFXOS_DISASM_PASSES_PRINT_H */
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