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author | bunnei <bunneidev@gmail.com> | 2017-05-08 22:02:53 +0200 |
---|---|---|
committer | GitHub <noreply@github.com> | 2017-05-08 22:02:53 +0200 |
commit | 7325413cd8b4f02719ca0f87c8a70d4713333a98 (patch) | |
tree | 2bed3e545cb8b660d695763ce27dc3069847d7b1 /src/core | |
parent | Merge pull request #2682 from nicoboss/filter (diff) | |
parent | Dyncom: Remove disassembler code (diff) | |
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Diffstat (limited to 'src/core')
-rw-r--r-- | src/core/CMakeLists.txt | 4 | ||||
-rw-r--r-- | src/core/arm/disassembler/arm_disasm.cpp | 1344 | ||||
-rw-r--r-- | src/core/arm/disassembler/arm_disasm.h | 238 | ||||
-rw-r--r-- | src/core/arm/disassembler/load_symbol_map.cpp | 31 | ||||
-rw-r--r-- | src/core/arm/disassembler/load_symbol_map.h | 13 | ||||
-rw-r--r-- | src/core/arm/dyncom/arm_dyncom_dec.cpp | 2 | ||||
-rw-r--r-- | src/core/arm/dyncom/arm_dyncom_dec.h | 2 | ||||
-rw-r--r-- | src/core/arm/dyncom/arm_dyncom_interpreter.cpp | 15 | ||||
-rw-r--r-- | src/core/hle/svc.cpp | 10 | ||||
-rw-r--r-- | src/core/loader/elf.cpp | 32 |
10 files changed, 11 insertions, 1680 deletions
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index a2866fdd8..e404063f0 100644 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -1,6 +1,4 @@ set(SRCS - arm/disassembler/arm_disasm.cpp - arm/disassembler/load_symbol_map.cpp arm/dynarmic/arm_dynarmic.cpp arm/dynarmic/arm_dynarmic_cp15.cpp arm/dyncom/arm_dyncom.cpp @@ -179,8 +177,6 @@ set(SRCS set(HEADERS arm/arm_interface.h - arm/disassembler/arm_disasm.h - arm/disassembler/load_symbol_map.h arm/dynarmic/arm_dynarmic.h arm/dynarmic/arm_dynarmic_cp15.h arm/dyncom/arm_dyncom.h diff --git a/src/core/arm/disassembler/arm_disasm.cpp b/src/core/arm/disassembler/arm_disasm.cpp deleted file mode 100644 index 05d6ed1fb..000000000 --- a/src/core/arm/disassembler/arm_disasm.cpp +++ /dev/null @@ -1,1344 +0,0 @@ -// Copyright 2006 The Android Open Source Project - -#include <string> -#include <unordered_set> -#include "common/common_types.h" -#include "common/string_util.h" -#include "core/arm/disassembler/arm_disasm.h" -#include "core/arm/skyeye_common/armsupp.h" - -static const char* cond_names[] = {"eq", "ne", "cs", "cc", "mi", "pl", "vs", "vc", - "hi", "ls", "ge", "lt", "gt", "le", "", "RESERVED"}; - -static const char* opcode_names[] = { - "invalid", "undefined", "adc", "add", "and", "b", "bl", "bic", - "bkpt", "blx", "bx", "cdp", "clrex", "clz", "cmn", "cmp", - "eor", "ldc", "ldm", "ldr", "ldrb", "ldrbt", "ldrex", "ldrexb", - "ldrexd", "ldrexh", "ldrh", "ldrsb", "ldrsh", "ldrt", "mcr", "mla", - "mov", "mrc", "mrs", "msr", "mul", "mvn", "nop", "orr", - "pkh", "pld", "qadd16", "qadd8", "qasx", "qsax", "qsub16", "qsub8", - "rev", "rev16", "revsh", "rsb", "rsc", "sadd16", "sadd8", "sasx", - "sbc", "sel", "sev", "shadd16", "shadd8", "shasx", "shsax", "shsub16", - "shsub8", "smlad", "smlal", "smlald", "smlsd", "smlsld", "smmla", "smmls", - "smmul", "smuad", "smull", "smusd", "ssat", "ssat16", "ssax", "ssub16", - "ssub8", "stc", "stm", "str", "strb", "strbt", "strex", "strexb", - "strexd", "strexh", "strh", "strt", "sub", "swi", "swp", "swpb", - "sxtab", "sxtab16", "sxtah", "sxtb", "sxtb16", "sxth", "teq", "tst", - "uadd16", "uadd8", "uasx", "uhadd16", "uhadd8", "uhasx", "uhsax", "uhsub16", - "uhsub8", "umlal", "umull", "uqadd16", "uqadd8", "uqasx", "uqsax", "uqsub16", - "uqsub8", "usad8", "usada8", "usat", "usat16", "usax", "usub16", "usub8", - "uxtab", "uxtab16", "uxtah", "uxtb", "uxtb16", "uxth", "wfe", "wfi", - "yield", - - "undefined", "adc", "add", "and", "asr", "b", "bic", "bkpt", - "bl", "blx", "bx", "cmn", "cmp", "eor", "ldmia", "ldr", - "ldrb", "ldrh", "ldrsb", "ldrsh", "lsl", "lsr", "mov", "mul", - "mvn", "neg", "orr", "pop", "push", "ror", "sbc", "stmia", - "str", "strb", "strh", "sub", "swi", "tst", - - nullptr}; - -// Indexed by the shift type (bits 6-5) -static const char* shift_names[] = {"LSL", "LSR", "ASR", "ROR"}; - -static const char* cond_to_str(u32 cond) { - return cond_names[cond]; -} - -std::string ARM_Disasm::Disassemble(u32 addr, u32 insn) { - Opcode opcode = Decode(insn); - switch (opcode) { - case OP_INVALID: - return "Invalid"; - case OP_UNDEFINED: - return "Undefined"; - case OP_ADC: - case OP_ADD: - case OP_AND: - case OP_BIC: - case OP_CMN: - case OP_CMP: - case OP_EOR: - case OP_MOV: - case OP_MVN: - case OP_ORR: - case OP_RSB: - case OP_RSC: - case OP_SBC: - case OP_SUB: - case OP_TEQ: - case OP_TST: - return DisassembleALU(opcode, insn); - case OP_B: - case OP_BL: - return DisassembleBranch(addr, opcode, insn); - case OP_BKPT: - return DisassembleBKPT(insn); - case OP_BLX: - // not supported yet - break; - case OP_BX: - return DisassembleBX(insn); - case OP_CDP: - return "cdp"; - case OP_CLREX: - return "clrex"; - case OP_CLZ: - return DisassembleCLZ(insn); - case OP_LDC: - return "ldc"; - case OP_LDM: - case OP_STM: - return DisassembleMemblock(opcode, insn); - case OP_LDR: - case OP_LDRB: - case OP_LDRBT: - case OP_LDRT: - case OP_STR: - case OP_STRB: - case OP_STRBT: - case OP_STRT: - return DisassembleMem(insn); - case OP_LDREX: - case OP_LDREXB: - case OP_LDREXD: - case OP_LDREXH: - case OP_STREX: - case OP_STREXB: - case OP_STREXD: - case OP_STREXH: - return DisassembleREX(opcode, insn); - case OP_LDRH: - case OP_LDRSB: - case OP_LDRSH: - case OP_STRH: - return DisassembleMemHalf(insn); - case OP_MCR: - case OP_MRC: - return DisassembleMCR(opcode, insn); - case OP_MLA: - return DisassembleMLA(opcode, insn); - case OP_MRS: - return DisassembleMRS(insn); - case OP_MSR: - return DisassembleMSR(insn); - case OP_MUL: - return DisassembleMUL(opcode, insn); - case OP_NOP: - case OP_SEV: - case OP_WFE: - case OP_WFI: - case OP_YIELD: - return DisassembleNoOperands(opcode, insn); - case OP_PKH: - return DisassemblePKH(insn); - case OP_PLD: - return DisassemblePLD(insn); - case OP_QADD16: - case OP_QADD8: - case OP_QASX: - case OP_QSAX: - case OP_QSUB16: - case OP_QSUB8: - case OP_SADD16: - case OP_SADD8: - case OP_SASX: - case OP_SHADD16: - case OP_SHADD8: - case OP_SHASX: - case OP_SHSAX: - case OP_SHSUB16: - case OP_SHSUB8: - case OP_SSAX: - case OP_SSUB16: - case OP_SSUB8: - case OP_UADD16: - case OP_UADD8: - case OP_UASX: - case OP_UHADD16: - case OP_UHADD8: - case OP_UHASX: - case OP_UHSAX: - case OP_UHSUB16: - case OP_UHSUB8: - case OP_UQADD16: - case OP_UQADD8: - case OP_UQASX: - case OP_UQSAX: - case OP_UQSUB16: - case OP_UQSUB8: - case OP_USAX: - case OP_USUB16: - case OP_USUB8: - return DisassembleParallelAddSub(opcode, insn); - case OP_REV: - case OP_REV16: - case OP_REVSH: - return DisassembleREV(opcode, insn); - case OP_SEL: - return DisassembleSEL(insn); - case OP_SMLAD: - case OP_SMLALD: - case OP_SMLSD: - case OP_SMLSLD: - case OP_SMMLA: - case OP_SMMLS: - case OP_SMMUL: - case OP_SMUAD: - case OP_SMUSD: - case OP_USAD8: - case OP_USADA8: - return DisassembleMediaMulDiv(opcode, insn); - case OP_SSAT: - case OP_SSAT16: - case OP_USAT: - case OP_USAT16: - return DisassembleSAT(opcode, insn); - case OP_STC: - return "stc"; - case OP_SWI: - return DisassembleSWI(insn); - case OP_SWP: - case OP_SWPB: - return DisassembleSWP(opcode, insn); - case OP_SXTAB: - case OP_SXTAB16: - case OP_SXTAH: - case OP_SXTB: - case OP_SXTB16: - case OP_SXTH: - case OP_UXTAB: - case OP_UXTAB16: - case OP_UXTAH: - case OP_UXTB: - case OP_UXTB16: - case OP_UXTH: - return DisassembleXT(opcode, insn); - case OP_UMLAL: - case OP_UMULL: - case OP_SMLAL: - case OP_SMULL: - return DisassembleUMLAL(opcode, insn); - default: - return "Error"; - } - return nullptr; -} - -std::string ARM_Disasm::DisassembleALU(Opcode opcode, u32 insn) { - static const u8 kNoOperand1 = 1; - static const u8 kNoDest = 2; - static const u8 kNoSbit = 4; - - std::string rn_str; - std::string rd_str; - - u8 flags = 0; - u8 cond = (insn >> 28) & 0xf; - u8 is_immed = (insn >> 25) & 0x1; - u8 bit_s = (insn >> 20) & 1; - u8 rn = (insn >> 16) & 0xf; - u8 rd = (insn >> 12) & 0xf; - u8 immed = insn & 0xff; - - const char* opname = opcode_names[opcode]; - switch (opcode) { - case OP_CMN: - case OP_CMP: - case OP_TEQ: - case OP_TST: - flags = kNoDest | kNoSbit; - break; - case OP_MOV: - case OP_MVN: - flags = kNoOperand1; - break; - default: - break; - } - - // The "mov" instruction ignores the first operand (rn). - rn_str[0] = 0; - if ((flags & kNoOperand1) == 0) { - rn_str = Common::StringFromFormat("r%d, ", rn); - } - - // The following instructions do not write the result register (rd): - // tst, teq, cmp, cmn. - rd_str[0] = 0; - if ((flags & kNoDest) == 0) { - rd_str = Common::StringFromFormat("r%d, ", rd); - } - - const char* sbit_str = ""; - if (bit_s && !(flags & kNoSbit)) - sbit_str = "s"; - - if (is_immed) { - return Common::StringFromFormat("%s%s%s\t%s%s#%u ; 0x%x", opname, cond_to_str(cond), - sbit_str, rd_str.c_str(), rn_str.c_str(), immed, immed); - } - - u8 shift_is_reg = (insn >> 4) & 1; - u8 rotate = (insn >> 8) & 0xf; - u8 rm = insn & 0xf; - u8 shift_type = (insn >> 5) & 0x3; - u8 rs = (insn >> 8) & 0xf; - u8 shift_amount = (insn >> 7) & 0x1f; - u32 rotated_val = immed; - u8 rotate2 = rotate << 1; - rotated_val = (rotated_val >> rotate2) | (rotated_val << (32 - rotate2)); - - if (!shift_is_reg && shift_type == 0 && shift_amount == 0) { - return Common::StringFromFormat("%s%s%s\t%s%sr%d", opname, cond_to_str(cond), sbit_str, - rd_str.c_str(), rn_str.c_str(), rm); - } - - const char* shift_name = shift_names[shift_type]; - if (shift_is_reg) { - return Common::StringFromFormat("%s%s%s\t%s%sr%d, %s r%d", opname, cond_to_str(cond), - sbit_str, rd_str.c_str(), rn_str.c_str(), rm, shift_name, - rs); - } - if (shift_amount == 0) { - if (shift_type == 3) { - return Common::StringFromFormat("%s%s%s\t%s%sr%d, RRX", opname, cond_to_str(cond), - sbit_str, rd_str.c_str(), rn_str.c_str(), rm); - } - shift_amount = 32; - } - return Common::StringFromFormat("%s%s%s\t%s%sr%d, %s #%u", opname, cond_to_str(cond), sbit_str, - rd_str.c_str(), rn_str.c_str(), rm, shift_name, shift_amount); -} - -std::string ARM_Disasm::DisassembleBranch(u32 addr, Opcode opcode, u32 insn) { - u8 cond = (insn >> 28) & 0xf; - u32 offset = insn & 0xffffff; - // Sign-extend the 24-bit offset - if ((offset >> 23) & 1) - offset |= 0xff000000; - - // Pre-compute the left-shift and the prefetch offset - offset <<= 2; - offset += 8; - addr += offset; - const char* opname = opcode_names[opcode]; - return Common::StringFromFormat("%s%s\t0x%x", opname, cond_to_str(cond), addr); -} - -std::string ARM_Disasm::DisassembleBX(u32 insn) { - u8 cond = (insn >> 28) & 0xf; - u8 rn = insn & 0xf; - return Common::StringFromFormat("bx%s\tr%d", cond_to_str(cond), rn); -} - -std::string ARM_Disasm::DisassembleBKPT(u32 insn) { - u8 cond = (insn >> 28) & 0xf; - u32 immed = (((insn >> 8) & 0xfff) << 4) | (insn & 0xf); - return Common::StringFromFormat("bkpt%s\t#%d", cond_to_str(cond), immed); -} - -std::string ARM_Disasm::DisassembleCLZ(u32 insn) { - u8 cond = (insn >> 28) & 0xf; - u8 rd = (insn >> 12) & 0xf; - u8 rm = insn & 0xf; - return Common::StringFromFormat("clz%s\tr%d, r%d", cond_to_str(cond), rd, rm); -} - -std::string ARM_Disasm::DisassembleMediaMulDiv(Opcode opcode, u32 insn) { - u32 cond = BITS(insn, 28, 31); - u32 rd = BITS(insn, 16, 19); - u32 ra = BITS(insn, 12, 15); - u32 rm = BITS(insn, 8, 11); - u32 m = BIT(insn, 5); - u32 rn = BITS(insn, 0, 3); - - std::string cross = ""; - if (m) { - if (opcode == OP_SMMLA || opcode == OP_SMMUL || opcode == OP_SMMLS) - cross = "r"; - else - cross = "x"; - } - - std::string ext_reg = ""; - std::unordered_set<Opcode, std::hash<int>> with_ext_reg = {OP_SMLAD, OP_SMLSD, OP_SMMLA, - OP_SMMLS, OP_USADA8}; - if (with_ext_reg.find(opcode) != with_ext_reg.end()) - ext_reg = Common::StringFromFormat(", r%u", ra); - - std::string rd_low = ""; - if (opcode == OP_SMLALD || opcode == OP_SMLSLD) - rd_low = Common::StringFromFormat("r%u, ", ra); - - return Common::StringFromFormat("%s%s%s\t%sr%u, r%u, r%u%s", opcode_names[opcode], - cross.c_str(), cond_to_str(cond), rd_low.c_str(), rd, rn, rm, - ext_reg.c_str()); -} - -std::string ARM_Disasm::DisassembleMemblock(Opcode opcode, u32 insn) { - std::string tmp_list; - - u8 cond = (insn >> 28) & 0xf; - u8 write_back = (insn >> 21) & 0x1; - u8 bit_s = (insn >> 22) & 0x1; - u8 is_up = (insn >> 23) & 0x1; - u8 is_pre = (insn >> 24) & 0x1; - u8 rn = (insn >> 16) & 0xf; - u16 reg_list = insn & 0xffff; - - const char* opname = opcode_names[opcode]; - - const char* bang = ""; - if (write_back) - bang = "!"; - - const char* carret = ""; - if (bit_s) - carret = "^"; - - const char* comma = ""; - tmp_list[0] = 0; - for (int ii = 0; ii < 16; ++ii) { - if (reg_list & (1 << ii)) { - tmp_list += Common::StringFromFormat("%sr%d", comma, ii); - comma = ","; - } - } - - const char* addr_mode = ""; - if (is_pre) { - if (is_up) { - addr_mode = "ib"; - } else { - addr_mode = "db"; - } - } else { - if (is_up) { - addr_mode = "ia"; - } else { - addr_mode = "da"; - } - } - - return Common::StringFromFormat("%s%s%s\tr%d%s, {%s}%s", opname, cond_to_str(cond), addr_mode, - rn, bang, tmp_list.c_str(), carret); -} - -std::string ARM_Disasm::DisassembleMem(u32 insn) { - u8 cond = (insn >> 28) & 0xf; - u8 is_reg = (insn >> 25) & 0x1; - u8 is_load = (insn >> 20) & 0x1; - u8 write_back = (insn >> 21) & 0x1; - u8 is_byte = (insn >> 22) & 0x1; - u8 is_up = (insn >> 23) & 0x1; - u8 is_pre = (insn >> 24) & 0x1; - u8 rn = (insn >> 16) & 0xf; - u8 rd = (insn >> 12) & 0xf; - u16 offset = insn & 0xfff; - - const char* opname = "ldr"; - if (!is_load) - opname = "str"; - - const char* bang = ""; - if (write_back) - bang = "!"; - - const char* minus = ""; - if (is_up == 0) - minus = "-"; - - const char* byte = ""; - if (is_byte) - byte = "b"; - - if (is_reg == 0) { - if (is_pre) { - if (offset == 0) { - return Common::StringFromFormat("%s%s%s\tr%d, [r%d]", opname, cond_to_str(cond), - byte, rd, rn); - } else { - return Common::StringFromFormat("%s%s%s\tr%d, [r%d, #%s%u]%s", opname, - cond_to_str(cond), byte, rd, rn, minus, offset, - bang); - } - } else { - const char* transfer = ""; - if (write_back) - transfer = "t"; - - return Common::StringFromFormat("%s%s%s%s\tr%d, [r%d], #%s%u", opname, - cond_to_str(cond), byte, transfer, rd, rn, minus, - offset); - } - } - - u8 rm = insn & 0xf; - u8 shift_type = (insn >> 5) & 0x3; - u8 shift_amount = (insn >> 7) & 0x1f; - - const char* shift_name = shift_names[shift_type]; - - if (is_pre) { - if (shift_amount == 0) { - if (shift_type == 0) { - return Common::StringFromFormat("%s%s%s\tr%d, [r%d, %sr%d]%s", opname, - cond_to_str(cond), byte, rd, rn, minus, rm, bang); - } - if (shift_type == 3) { - return Common::StringFromFormat("%s%s%s\tr%d, [r%d, %sr%d, RRX]%s", opname, - cond_to_str(cond), byte, rd, rn, minus, rm, bang); - } - shift_amount = 32; - } - return Common::StringFromFormat("%s%s%s\tr%d, [r%d, %sr%d, %s #%u]%s", opname, - cond_to_str(cond), byte, rd, rn, minus, rm, shift_name, - shift_amount, bang); - } - - const char* transfer = ""; - if (write_back) - transfer = "t"; - - if (shift_amount == 0) { - if (shift_type == 0) { - return Common::StringFromFormat("%s%s%s%s\tr%d, [r%d], %sr%d", opname, - cond_to_str(cond), byte, transfer, rd, rn, minus, rm); - } - if (shift_type == 3) { - return Common::StringFromFormat("%s%s%s%s\tr%d, [r%d], %sr%d, RRX", opname, - cond_to_str(cond), byte, transfer, rd, rn, minus, rm); - } - shift_amount = 32; - } - - return Common::StringFromFormat("%s%s%s%s\tr%d, [r%d], %sr%d, %s #%u", opname, - cond_to_str(cond), byte, transfer, rd, rn, minus, rm, - shift_name, shift_amount); -} - -std::string ARM_Disasm::DisassembleMemHalf(u32 insn) { - u8 cond = (insn >> 28) & 0xf; - u8 is_load = (insn >> 20) & 0x1; - u8 write_back = (insn >> 21) & 0x1; - u8 is_immed = (insn >> 22) & 0x1; - u8 is_up = (insn >> 23) & 0x1; - u8 is_pre = (insn >> 24) & 0x1; - u8 rn = (insn >> 16) & 0xf; - u8 rd = (insn >> 12) & 0xf; - u8 bits_65 = (insn >> 5) & 0x3; - u8 rm = insn & 0xf; - u8 offset = (((insn >> 8) & 0xf) << 4) | (insn & 0xf); - - const char* opname = "ldr"; - if (is_load == 0) - opname = "str"; - - const char* width = ""; - if (bits_65 == 1) - width = "h"; - else if (bits_65 == 2) - width = "sb"; - else - width = "sh"; - - const char* bang = ""; - if (write_back) - bang = "!"; - const char* minus = ""; - if (is_up == 0) - minus = "-"; - - if (is_immed) { - if (is_pre) { - if (offset == 0) { - return Common::StringFromFormat("%s%s%s\tr%d, [r%d]", opname, cond_to_str(cond), - width, rd, rn); - } else { - return Common::StringFromFormat("%s%s%s\tr%d, [r%d, #%s%u]%s", opname, - cond_to_str(cond), width, rd, rn, minus, offset, - bang); - } - } else { - return Common::StringFromFormat("%s%s%s\tr%d, [r%d], #%s%u", opname, cond_to_str(cond), - width, rd, rn, minus, offset); - } - } - - if (is_pre) { - return Common::StringFromFormat("%s%s%s\tr%d, [r%d, %sr%d]%s", opname, cond_to_str(cond), - width, rd, rn, minus, rm, bang); - } else { - return Common::StringFromFormat("%s%s%s\tr%d, [r%d], %sr%d", opname, cond_to_str(cond), - width, rd, rn, minus, rm); - } -} - -std::string ARM_Disasm::DisassembleMCR(Opcode opcode, u32 insn) { - u8 cond = (insn >> 28) & 0xf; - u8 crn = (insn >> 16) & 0xf; - u8 crd = (insn >> 12) & 0xf; - u8 cpnum = (insn >> 8) & 0xf; - u8 opcode2 = (insn >> 5) & 0x7; - u8 crm = insn & 0xf; - - const char* opname = opcode_names[opcode]; - return Common::StringFromFormat("%s%s\t%d, 0, r%d, cr%d, cr%d, {%d}", opname, cond_to_str(cond), - cpnum, crd, crn, crm, opcode2); -} - -std::string ARM_Disasm::DisassembleMLA(Opcode opcode, u32 insn) { - u8 cond = (insn >> 28) & 0xf; - u8 rd = (insn >> 16) & 0xf; - u8 rn = (insn >> 12) & 0xf; - u8 rs = (insn >> 8) & 0xf; - u8 rm = insn & 0xf; - u8 bit_s = (insn >> 20) & 1; - - const char* opname = opcode_names[opcode]; - return Common::StringFromFormat("%s%s%s\tr%d, r%d, r%d, r%d", opname, cond_to_str(cond), - bit_s ? "s" : "", rd, rm, rs, rn); -} - -std::string ARM_Disasm::DisassembleUMLAL(Opcode opcode, u32 insn) { - u8 cond = (insn >> 28) & 0xf; - u8 rdhi = (insn >> 16) & 0xf; - u8 rdlo = (insn >> 12) & 0xf; - u8 rs = (insn >> 8) & 0xf; - u8 rm = insn & 0xf; - u8 bit_s = (insn >> 20) & 1; - - const char* opname = opcode_names[opcode]; - return Common::StringFromFormat("%s%s%s\tr%d, r%d, r%d, r%d", opname, cond_to_str(cond), - bit_s ? "s" : "", rdlo, rdhi, rm, rs); -} - -std::string ARM_Disasm::DisassembleMUL(Opcode opcode, u32 insn) { - u8 cond = (insn >> 28) & 0xf; - u8 rd = (insn >> 16) & 0xf; - u8 rs = (insn >> 8) & 0xf; - u8 rm = insn & 0xf; - u8 bit_s = (insn >> 20) & 1; - - const char* opname = opcode_names[opcode]; - return Common::StringFromFormat("%s%s%s\tr%d, r%d, r%d", opname, cond_to_str(cond), - bit_s ? "s" : "", rd, rm, rs); -} - -std::string ARM_Disasm::DisassembleMRS(u32 insn) { - u8 cond = (insn >> 28) & 0xf; - u8 rd = (insn >> 12) & 0xf; - u8 ps = (insn >> 22) & 1; - - return Common::StringFromFormat("mrs%s\tr%d, %s", cond_to_str(cond), rd, ps ? "spsr" : "cpsr"); -} - -std::string ARM_Disasm::DisassembleMSR(u32 insn) { - char flags[8]; - int flag_index = 0; - u8 cond = (insn >> 28) & 0xf; - u8 is_immed = (insn >> 25) & 0x1; - u8 pd = (insn >> 22) & 1; - u8 mask = (insn >> 16) & 0xf; - - if (mask & 1) - flags[flag_index++] = 'c'; - if (mask & 2) - flags[flag_index++] = 'x'; - if (mask & 4) - flags[flag_index++] = 's'; - if (mask & 8) - flags[flag_index++] = 'f'; - flags[flag_index] = 0; - - if (is_immed) { - u32 immed = insn & 0xff; - u8 rotate = (insn >> 8) & 0xf; - u8 rotate2 = rotate << 1; - u32 rotated_val = (immed >> rotate2) | (immed << (32 - rotate2)); - return Common::StringFromFormat("msr%s\t%s_%s, #0x%x", cond_to_str(cond), - pd ? "spsr" : "cpsr", flags, rotated_val); - } - - u8 rm = insn & 0xf; - - return Common::StringFromFormat("msr%s\t%s_%s, r%d", cond_to_str(cond), pd ? "spsr" : "cpsr", - flags, rm); -} - -std::string ARM_Disasm::DisassembleNoOperands(Opcode opcode, u32 insn) { - u32 cond = BITS(insn, 28, 31); - return Common::StringFromFormat("%s%s", opcode_names[opcode], cond_to_str(cond)); -} - -std::string ARM_Disasm::DisassembleParallelAddSub(Opcode opcode, u32 insn) { - u32 cond = BITS(insn, 28, 31); - u32 rn = BITS(insn, 16, 19); - u32 rd = BITS(insn, 12, 15); - u32 rm = BITS(insn, 0, 3); - - return Common::StringFromFormat("%s%s\tr%u, r%u, r%u", opcode_names[opcode], cond_to_str(cond), - rd, rn, rm); -} - -std::string ARM_Disasm::DisassemblePKH(u32 insn) { - u32 cond = BITS(insn, 28, 31); - u32 rn = BITS(insn, 16, 19); - u32 rd = BITS(insn, 12, 15); - u32 imm5 = BITS(insn, 7, 11); - u32 tb = BIT(insn, 6); - u32 rm = BITS(insn, 0, 3); - - std::string suffix = tb ? "tb" : "bt"; - std::string shift = ""; - - if (tb && imm5 == 0) - imm5 = 32; - - if (imm5 > 0) { - shift = tb ? ", ASR" : ", LSL"; - shift += " #" + std::to_string(imm5); - } - - return Common::StringFromFormat("pkh%s%s\tr%u, r%u, r%u%s", suffix.c_str(), cond_to_str(cond), - rd, rn, rm, shift.c_str()); -} - -std::string ARM_Disasm::DisassemblePLD(u32 insn) { - u8 is_reg = (insn >> 25) & 0x1; - u8 is_up = (insn >> 23) & 0x1; - u8 rn = (insn >> 16) & 0xf; - - const char* minus = ""; - if (is_up == 0) - minus = "-"; - - if (is_reg) { - u8 rm = insn & 0xf; - return Common::StringFromFormat("pld\t[r%d, %sr%d]", rn, minus, rm); - } - - u16 offset = insn & 0xfff; - if (offset == 0) { - return Common::StringFromFormat("pld\t[r%d]", rn); - } else { - return Common::StringFromFormat("pld\t[r%d, #%s%u]", rn, minus, offset); - } -} - -std::string ARM_Disasm::DisassembleREV(Opcode opcode, u32 insn) { - u32 cond = BITS(insn, 28, 31); - u32 rd = BITS(insn, 12, 15); - u32 rm = BITS(insn, 0, 3); - - return Common::StringFromFormat("%s%s\tr%u, r%u", opcode_names[opcode], cond_to_str(cond), rd, - rm); -} - -std::string ARM_Disasm::DisassembleREX(Opcode opcode, u32 insn) { - u32 rn = BITS(insn, 16, 19); - u32 rd = BITS(insn, 12, 15); - u32 rt = BITS(insn, 0, 3); - u32 cond = BITS(insn, 28, 31); - - switch (opcode) { - case OP_STREX: - case OP_STREXB: - case OP_STREXH: - return Common::StringFromFormat("%s%s\tr%d, r%d, [r%d]", opcode_names[opcode], - cond_to_str(cond), rd, rt, rn); - case OP_STREXD: - return Common::StringFromFormat("%s%s\tr%d, r%d, r%d, [r%d]", opcode_names[opcode], - cond_to_str(cond), rd, rt, rt + 1, rn); - - // for LDREX instructions, rd corresponds to Rt from reference manual - case OP_LDREX: - case OP_LDREXB: - case OP_LDREXH: - return Common::StringFromFormat("%s%s\tr%d, [r%d]", opcode_names[opcode], cond_to_str(cond), - rd, rn); - case OP_LDREXD: - return Common::StringFromFormat("%s%s\tr%d, r%d, [r%d]", opcode_names[opcode], - cond_to_str(cond), rd, rd + 1, rn); - default: - return opcode_names[OP_UNDEFINED]; - } -} - -std::string ARM_Disasm::DisassembleSAT(Opcode opcode, u32 insn) { - u32 cond = BITS(insn, 28, 31); - u32 sat_imm = BITS(insn, 16, 20); - u32 rd = BITS(insn, 12, 15); - u32 imm5 = BITS(insn, 7, 11); - u32 sh = BIT(insn, 6); - u32 rn = BITS(insn, 0, 3); - - std::string shift_part = ""; - bool opcode_has_shift = (opcode == OP_SSAT) || (opcode == OP_USAT); - if (opcode_has_shift && !(sh == 0 && imm5 == 0)) { - if (sh == 0) - shift_part += ", LSL #"; - else - shift_part += ", ASR #"; - - if (imm5 == 0) - imm5 = 32; - shift_part += std::to_string(imm5); - } - - if (opcode == OP_SSAT || opcode == OP_SSAT16) - sat_imm++; - - return Common::StringFromFormat("%s%s\tr%u, #%u, r%u%s", opcode_names[opcode], - cond_to_str(cond), rd, sat_imm, rn, shift_part.c_str()); -} - -std::string ARM_Disasm::DisassembleSEL(u32 insn) { - u32 cond = BITS(insn, 28, 31); - u32 rn = BITS(insn, 16, 19); - u32 rd = BITS(insn, 12, 15); - u32 rm = BITS(insn, 0, 3); - - return Common::StringFromFormat("%s%s\tr%u, r%u, r%u", opcode_names[OP_SEL], cond_to_str(cond), - rd, rn, rm); -} - -std::string ARM_Disasm::DisassembleSWI(u32 insn) { - u8 cond = (insn >> 28) & 0xf; - u32 sysnum = insn & 0x00ffffff; - - return Common::StringFromFormat("swi%s 0x%x", cond_to_str(cond), sysnum); -} - -std::string ARM_Disasm::DisassembleSWP(Opcode opcode, u32 insn) { - u8 cond = (insn >> 28) & 0xf; - u8 rn = (insn >> 16) & 0xf; - u8 rd = (insn >> 12) & 0xf; - u8 rm = insn & 0xf; - - const char* opname = opcode_names[opcode]; - return Common::StringFromFormat("%s%s\tr%d, r%d, [r%d]", opname, cond_to_str(cond), rd, rm, rn); -} - -std::string ARM_Disasm::DisassembleXT(Opcode opcode, u32 insn) { - u32 cond = BITS(insn, 28, 31); - u32 rn = BITS(insn, 16, 19); - u32 rd = BITS(insn, 12, 15); - u32 rotate = BITS(insn, 10, 11); - u32 rm = BITS(insn, 0, 3); - - std::string rn_part = ""; - static std::unordered_set<Opcode, std::hash<int>> extend_with_add = { - OP_SXTAB, OP_SXTAB16, OP_SXTAH, OP_UXTAB, OP_UXTAB16, OP_UXTAH}; - if (extend_with_add.find(opcode) != extend_with_add.end()) - rn_part = ", r" + std::to_string(rn); - - std::string rotate_part = ""; - if (rotate != 0) - rotate_part = ", ROR #" + std::to_string(rotate << 3); - - return Common::StringFromFormat("%s%s\tr%u%s, r%u%s", opcode_names[opcode], cond_to_str(cond), - rd, rn_part.c_str(), rm, rotate_part.c_str()); -} - -Opcode ARM_Disasm::Decode(u32 insn) { - u32 bits27_26 = (insn >> 26) & 0x3; - switch (bits27_26) { - case 0x0: - return Decode00(insn); - case 0x1: - return Decode01(insn); - case 0x2: - return Decode10(insn); - case 0x3: - return Decode11(insn); - } - return OP_INVALID; -} - -Opcode ARM_Disasm::Decode00(u32 insn) { - u8 bit25 = (insn >> 25) & 0x1; - u8 bit4 = (insn >> 4) & 0x1; - if (bit25 == 0 && bit4 == 1) { - if ((insn & 0x0ffffff0) == 0x012fff10) { - // Bx instruction - return OP_BX; - } - if ((insn & 0x0ff000f0) == 0x01600010) { - // Clz instruction - return OP_CLZ; - } - if ((insn & 0xfff000f0) == 0xe1200070) { - // Bkpt instruction - return OP_BKPT; - } - u32 bits7_4 = (insn >> 4) & 0xf; - if (bits7_4 == 0x9) { - u32 bit24 = BIT(insn, 24); - if (bit24) { - return DecodeSyncPrimitive(insn); - } - // One of the multiply instructions - return DecodeMUL(insn); - } - - u8 bit7 = (insn >> 7) & 0x1; - if (bit7 == 1) { - // One of the load/store halfword/byte instructions - return DecodeLDRH(insn); - } - } - - u32 op1 = BITS(insn, 20, 24); - if (bit25 && (op1 == 0x12 || op1 == 0x16)) { - // One of the MSR (immediate) and hints instructions - return DecodeMSRImmAndHints(insn); - } - - // One of the data processing instructions - return DecodeALU(insn); -} - -Opcode ARM_Disasm::Decode01(u32 insn) { - u8 is_reg = (insn >> 25) & 0x1; - u8 bit4 = (insn >> 4) & 0x1; - if (is_reg == 1 && bit4 == 1) - return DecodeMedia(insn); - u8 is_load = (insn >> 20) & 0x1; - u8 is_byte = (insn >> 22) & 0x1; - if ((insn & 0xfd70f000) == 0xf550f000) { - // Pre-load - return OP_PLD; - } - if (insn == 0xf57ff01f) { - // Clear-Exclusive - return OP_CLREX; - } - if (is_load) { - if (is_byte) { - // Load byte - return OP_LDRB; - } - // Load word - return OP_LDR; - } - if (is_byte) { - // Store byte - return OP_STRB; - } - // Store word - return OP_STR; -} - -Opcode ARM_Disasm::Decode10(u32 insn) { - u8 bit25 = (insn >> 25) & 0x1; - if (bit25 == 0) { - // LDM/STM - u8 is_load = (insn >> 20) & 0x1; - if (is_load) - return OP_LDM; - return OP_STM; - } - - // Branch with link - if ((insn >> 24) & 1) - return OP_BL; - - return OP_B; -} - -Opcode ARM_Disasm::Decode11(u32 insn) { - u8 bit25 = (insn >> 25) & 0x1; - if (bit25 == 0) { - // LDC, SDC - u8 is_load = (insn >> 20) & 0x1; - if (is_load) { - // LDC - return OP_LDC; - } - // STC - return OP_STC; - } - - u8 bit24 = (insn >> 24) & 0x1; - if (bit24 == 0x1) { - // SWI - return OP_SWI; - } - - u8 bit4 = (insn >> 4) & 0x1; - u8 cpnum = (insn >> 8) & 0xf; - - if (cpnum == 15) { - // Special case for coprocessor 15 - u8 opcode = (insn >> 21) & 0x7; - if (bit4 == 0 || opcode != 0) { - // This is an unexpected bit pattern. Create an undefined - // instruction in case this is ever executed. - return OP_UNDEFINED; - } - - // MRC, MCR - u8 is_mrc = (insn >> 20) & 0x1; - if (is_mrc) - return OP_MRC; - return OP_MCR; - } - - if (bit4 == 0) { - // CDP - return OP_CDP; - } - // MRC, MCR - u8 is_mrc = (insn >> 20) & 0x1; - if (is_mrc) - return OP_MRC; - return OP_MCR; -} - -Opcode ARM_Disasm::DecodeSyncPrimitive(u32 insn) { - u32 op = BITS(insn, 20, 23); - u32 bit22 = BIT(insn, 22); - switch (op) { - case 0x0: - if (bit22) - return OP_SWPB; - return OP_SWP; - case 0x8: - return OP_STREX; - case 0x9: - return OP_LDREX; - case 0xA: - return OP_STREXD; - case 0xB: - return OP_LDREXD; - case 0xC: - return OP_STREXB; - case 0xD: - return OP_LDREXB; - case 0xE: - return OP_STREXH; - case 0xF: - return OP_LDREXH; - default: - return OP_UNDEFINED; - } -} - -Opcode ARM_Disasm::DecodeParallelAddSub(u32 insn) { - u32 op1 = BITS(insn, 20, 21); - u32 op2 = BITS(insn, 5, 7); - u32 is_unsigned = BIT(insn, 22); - - if (op1 == 0x0 || op2 == 0x5 || op2 == 0x6) - return OP_UNDEFINED; - - // change op1 range from [1, 3] to range [0, 2] - op1--; - - // change op2 range from [0, 4] U {7} to range [0, 5] - if (op2 == 0x7) - op2 = 0x5; - - static std::vector<Opcode> opcodes = { - // op1 = 0 - OP_SADD16, OP_UADD16, OP_SASX, OP_UASX, OP_SSAX, OP_USAX, OP_SSUB16, OP_USUB16, OP_SADD8, - OP_UADD8, OP_SSUB8, OP_USUB8, - // op1 = 1 - OP_QADD16, OP_UQADD16, OP_QASX, OP_UQASX, OP_QSAX, OP_UQSAX, OP_QSUB16, OP_UQSUB16, - OP_QADD8, OP_UQADD8, OP_QSUB8, OP_UQSUB8, - // op1 = 2 - OP_SHADD16, OP_UHADD16, OP_SHASX, OP_UHASX, OP_SHSAX, OP_UHSAX, OP_SHSUB16, OP_UHSUB16, - OP_SHADD8, OP_UHADD8, OP_SHSUB8, OP_UHSUB8}; - - u32 opcode_index = op1 * 12 + op2 * 2 + is_unsigned; - return opcodes[opcode_index]; -} - -Opcode ARM_Disasm::DecodePackingSaturationReversal(u32 insn) { - u32 op1 = BITS(insn, 20, 22); - u32 a = BITS(insn, 16, 19); - u32 op2 = BITS(insn, 5, 7); - - switch (op1) { - case 0x0: - if (BIT(op2, 0) == 0) - return OP_PKH; - if (op2 == 0x3 && a != 0xf) - return OP_SXTAB16; - if (op2 == 0x3 && a == 0xf) - return OP_SXTB16; - if (op2 == 0x5) - return OP_SEL; - break; - case 0x2: - if (BIT(op2, 0) == 0) - return OP_SSAT; - if (op2 == 0x1) - return OP_SSAT16; - if (op2 == 0x3 && a != 0xf) - return OP_SXTAB; - if (op2 == 0x3 && a == 0xf) - return OP_SXTB; - break; - case 0x3: - if (op2 == 0x1) - return OP_REV; - if (BIT(op2, 0) == 0) - return OP_SSAT; - if (op2 == 0x3 && a != 0xf) - return OP_SXTAH; - if (op2 == 0x3 && a == 0xf) - return OP_SXTH; - if (op2 == 0x5) - return OP_REV16; - break; - case 0x4: - if (op2 == 0x3 && a != 0xf) - return OP_UXTAB16; - if (op2 == 0x3 && a == 0xf) - return OP_UXTB16; - break; - case 0x6: - if (BIT(op2, 0) == 0) - return OP_USAT; - if (op2 == 0x1) - return OP_USAT16; - if (op2 == 0x3 && a != 0xf) - return OP_UXTAB; - if (op2 == 0x3 && a == 0xf) - return OP_UXTB; - break; - case 0x7: - if (BIT(op2, 0) == 0) - return OP_USAT; - if (op2 == 0x3 && a != 0xf) - return OP_UXTAH; - if (op2 == 0x3 && a == 0xf) - return OP_UXTH; - if (op2 == 0x5) - return OP_REVSH; - break; - default: - break; - } - - return OP_UNDEFINED; -} - -Opcode ARM_Disasm::DecodeMUL(u32 insn) { - u8 bit24 = (insn >> 24) & 0x1; - if (bit24 != 0) { - // This is an unexpected bit pattern. Create an undefined - // instruction in case this is ever executed. - return OP_UNDEFINED; - } - u8 bit23 = (insn >> 23) & 0x1; - u8 bit22_U = (insn >> 22) & 0x1; - u8 bit21_A = (insn >> 21) & 0x1; - if (bit23 == 0) { - // 32-bit multiply - if (bit22_U != 0) { - // This is an unexpected bit pattern. Create an undefined - // instruction in case this is ever executed. - return OP_UNDEFINED; - } - if (bit21_A == 0) - return OP_MUL; - return OP_MLA; - } - // 64-bit multiply - if (bit22_U == 0) { - // Unsigned multiply long - if (bit21_A == 0) - return OP_UMULL; - return OP_UMLAL; - } - // Signed multiply long - if (bit21_A == 0) - return OP_SMULL; - return OP_SMLAL; -} - -Opcode ARM_Disasm::DecodeMSRImmAndHints(u32 insn) { - u32 op = BIT(insn, 22); - u32 op1 = BITS(insn, 16, 19); - u32 op2 = BITS(insn, 0, 7); - - if (op == 0 && op1 == 0) { - switch (op2) { - case 0x0: - return OP_NOP; - case 0x1: - return OP_YIELD; - case 0x2: - return OP_WFE; - case 0x3: - return OP_WFI; - case 0x4: - return OP_SEV; - default: - return OP_UNDEFINED; - } - } - - return OP_MSR; -} - -Opcode ARM_Disasm::DecodeMediaMulDiv(u32 insn) { - u32 op1 = BITS(insn, 20, 22); - u32 op2_h = BITS(insn, 6, 7); - u32 a = BITS(insn, 12, 15); - - switch (op1) { - case 0x0: - if (op2_h == 0x0) { - if (a != 0xf) - return OP_SMLAD; - else - return OP_SMUAD; - } else if (op2_h == 0x1) { - if (a != 0xf) - return OP_SMLSD; - else - return OP_SMUSD; - } - break; - case 0x4: - if (op2_h == 0x0) - return OP_SMLALD; - else if (op2_h == 0x1) - return OP_SMLSLD; - break; - case 0x5: - if (op2_h == 0x0) { - if (a != 0xf) - return OP_SMMLA; - else - return OP_SMMUL; - } else if (op2_h == 0x3) { - return OP_SMMLS; - } - break; - default: - break; - } - - return OP_UNDEFINED; -} - -Opcode ARM_Disasm::DecodeMedia(u32 insn) { - u32 op1 = BITS(insn, 20, 24); - u32 rd = BITS(insn, 12, 15); - u32 op2 = BITS(insn, 5, 7); - - switch (BITS(op1, 3, 4)) { - case 0x0: - // unsigned and signed parallel addition and subtraction - return DecodeParallelAddSub(insn); - case 0x1: - // Packing, unpacking, saturation, and reversal - return DecodePackingSaturationReversal(insn); - case 0x2: - // Signed multiply, signed and unsigned divide - return DecodeMediaMulDiv(insn); - case 0x3: - if (op2 == 0 && rd == 0xf) - return OP_USAD8; - if (op2 == 0 && rd != 0xf) - return OP_USADA8; - break; - default: - break; - } - - return OP_UNDEFINED; -} - -Opcode ARM_Disasm::DecodeLDRH(u32 insn) { - u8 is_load = (insn >> 20) & 0x1; - u8 bits_65 = (insn >> 5) & 0x3; - if (is_load) { - if (bits_65 == 0x1) { - // Load unsigned halfword - return OP_LDRH; - } else if (bits_65 == 0x2) { - // Load signed byte - return OP_LDRSB; - } - // Signed halfword - if (bits_65 != 0x3) { - // This is an unexpected bit pattern. Create an undefined - // instruction in case this is ever executed. - return OP_UNDEFINED; - } - // Load signed halfword - return OP_LDRSH; - } - // Store halfword - if (bits_65 != 0x1) { - // This is an unexpected bit pattern. Create an undefined - // instruction in case this is ever executed. - return OP_UNDEFINED; - } - // Store halfword - return OP_STRH; -} - -Opcode ARM_Disasm::DecodeALU(u32 insn) { - u8 is_immed = (insn >> 25) & 0x1; - u8 opcode = (insn >> 21) & 0xf; - u8 bit_s = (insn >> 20) & 1; - u8 shift_is_reg = (insn >> 4) & 1; - u8 bit7 = (insn >> 7) & 1; - if (!is_immed && shift_is_reg && (bit7 != 0)) { - // This is an unexpected bit pattern. Create an undefined - // instruction in case this is ever executed. - return OP_UNDEFINED; - } - switch (opcode) { - case 0x0: - return OP_AND; - case 0x1: - return OP_EOR; - case 0x2: - return OP_SUB; - case 0x3: - return OP_RSB; - case 0x4: - return OP_ADD; - case 0x5: - return OP_ADC; - case 0x6: - return OP_SBC; - case 0x7: - return OP_RSC; - case 0x8: - if (bit_s) - return OP_TST; - return OP_MRS; - case 0x9: - if (bit_s) - return OP_TEQ; - return OP_MSR; - case 0xa: - if (bit_s) - return OP_CMP; - return OP_MRS; - case 0xb: - if (bit_s) - return OP_CMN; - return OP_MSR; - case 0xc: - return OP_ORR; - case 0xd: - return OP_MOV; - case 0xe: - return OP_BIC; - case 0xf: - return OP_MVN; - } - // Unreachable - return OP_INVALID; -} diff --git a/src/core/arm/disassembler/arm_disasm.h b/src/core/arm/disassembler/arm_disasm.h deleted file mode 100644 index 300e228ed..000000000 --- a/src/core/arm/disassembler/arm_disasm.h +++ /dev/null @@ -1,238 +0,0 @@ -// Copyright 2006 The Android Open Source Project - -#pragma once - -#include <string> -#include "common/common_types.h" - -// Note: this list of opcodes must match the list used to initialize -// the opflags[] array in opcode.cpp. -enum Opcode { - OP_INVALID, - OP_UNDEFINED, - OP_ADC, - OP_ADD, - OP_AND, - OP_B, - OP_BL, - OP_BIC, - OP_BKPT, - OP_BLX, - OP_BX, - OP_CDP, - OP_CLREX, - OP_CLZ, - OP_CMN, - OP_CMP, - OP_EOR, - OP_LDC, - OP_LDM, - OP_LDR, - OP_LDRB, - OP_LDRBT, - OP_LDREX, - OP_LDREXB, - OP_LDREXD, - OP_LDREXH, - OP_LDRH, - OP_LDRSB, - OP_LDRSH, - OP_LDRT, - OP_MCR, - OP_MLA, - OP_MOV, - OP_MRC, - OP_MRS, - OP_MSR, - OP_MUL, - OP_MVN, - OP_NOP, - OP_ORR, - OP_PKH, - OP_PLD, - OP_QADD16, - OP_QADD8, - OP_QASX, - OP_QSAX, - OP_QSUB16, - OP_QSUB8, - OP_REV, - OP_REV16, - OP_REVSH, - OP_RSB, - OP_RSC, - OP_SADD16, - OP_SADD8, - OP_SASX, - OP_SBC, - OP_SEL, - OP_SEV, - OP_SHADD16, - OP_SHADD8, - OP_SHASX, - OP_SHSAX, - OP_SHSUB16, - OP_SHSUB8, - OP_SMLAD, - OP_SMLAL, - OP_SMLALD, - OP_SMLSD, - OP_SMLSLD, - OP_SMMLA, - OP_SMMLS, - OP_SMMUL, - OP_SMUAD, - OP_SMULL, - OP_SMUSD, - OP_SSAT, - OP_SSAT16, - OP_SSAX, - OP_SSUB16, - OP_SSUB8, - OP_STC, - OP_STM, - OP_STR, - OP_STRB, - OP_STRBT, - OP_STREX, - OP_STREXB, - OP_STREXD, - OP_STREXH, - OP_STRH, - OP_STRT, - OP_SUB, - OP_SWI, - OP_SWP, - OP_SWPB, - OP_SXTAB, - OP_SXTAB16, - OP_SXTAH, - OP_SXTB, - OP_SXTB16, - OP_SXTH, - OP_TEQ, - OP_TST, - OP_UADD16, - OP_UADD8, - OP_UASX, - OP_UHADD16, - OP_UHADD8, - OP_UHASX, - OP_UHSAX, - OP_UHSUB16, - OP_UHSUB8, - OP_UMLAL, - OP_UMULL, - OP_UQADD16, - OP_UQADD8, - OP_UQASX, - OP_UQSAX, - OP_UQSUB16, - OP_UQSUB8, - OP_USAD8, - OP_USADA8, - OP_USAT, - OP_USAT16, - OP_USAX, - OP_USUB16, - OP_USUB8, - OP_UXTAB, - OP_UXTAB16, - OP_UXTAH, - OP_UXTB, - OP_UXTB16, - OP_UXTH, - OP_WFE, - OP_WFI, - OP_YIELD, - - // Define thumb opcodes - OP_THUMB_UNDEFINED, - OP_THUMB_ADC, - OP_THUMB_ADD, - OP_THUMB_AND, - OP_THUMB_ASR, - OP_THUMB_B, - OP_THUMB_BIC, - OP_THUMB_BKPT, - OP_THUMB_BL, - OP_THUMB_BLX, - OP_THUMB_BX, - OP_THUMB_CMN, - OP_THUMB_CMP, - OP_THUMB_EOR, - OP_THUMB_LDMIA, - OP_THUMB_LDR, - OP_THUMB_LDRB, - OP_THUMB_LDRH, - OP_THUMB_LDRSB, - OP_THUMB_LDRSH, - OP_THUMB_LSL, - OP_THUMB_LSR, - OP_THUMB_MOV, - OP_THUMB_MUL, - OP_THUMB_MVN, - OP_THUMB_NEG, - OP_THUMB_ORR, - OP_THUMB_POP, - OP_THUMB_PUSH, - OP_THUMB_ROR, - OP_THUMB_SBC, - OP_THUMB_STMIA, - OP_THUMB_STR, - OP_THUMB_STRB, - OP_THUMB_STRH, - OP_THUMB_SUB, - OP_THUMB_SWI, - OP_THUMB_TST, - - OP_END // must be last -}; - -class ARM_Disasm { -public: - static std::string Disassemble(u32 addr, u32 insn); - static Opcode Decode(u32 insn); - -private: - static Opcode Decode00(u32 insn); - static Opcode Decode01(u32 insn); - static Opcode Decode10(u32 insn); - static Opcode Decode11(u32 insn); - static Opcode DecodeSyncPrimitive(u32 insn); - static Opcode DecodeParallelAddSub(u32 insn); - static Opcode DecodePackingSaturationReversal(u32 insn); - static Opcode DecodeMUL(u32 insn); - static Opcode DecodeMSRImmAndHints(u32 insn); - static Opcode DecodeMediaMulDiv(u32 insn); - static Opcode DecodeMedia(u32 insn); - static Opcode DecodeLDRH(u32 insn); - static Opcode DecodeALU(u32 insn); - - static std::string DisassembleALU(Opcode opcode, u32 insn); - static std::string DisassembleBranch(u32 addr, Opcode opcode, u32 insn); - static std::string DisassembleBX(u32 insn); - static std::string DisassembleBKPT(u32 insn); - static std::string DisassembleCLZ(u32 insn); - static std::string DisassembleMediaMulDiv(Opcode opcode, u32 insn); - static std::string DisassembleMemblock(Opcode opcode, u32 insn); - static std::string DisassembleMem(u32 insn); - static std::string DisassembleMemHalf(u32 insn); - static std::string DisassembleMCR(Opcode opcode, u32 insn); - static std::string DisassembleMLA(Opcode opcode, u32 insn); - static std::string DisassembleUMLAL(Opcode opcode, u32 insn); - static std::string DisassembleMUL(Opcode opcode, u32 insn); - static std::string DisassembleMRS(u32 insn); - static std::string DisassembleMSR(u32 insn); - static std::string DisassembleNoOperands(Opcode opcode, u32 insn); - static std::string DisassembleParallelAddSub(Opcode opcode, u32 insn); - static std::string DisassemblePKH(u32 insn); - static std::string DisassemblePLD(u32 insn); - static std::string DisassembleREV(Opcode opcode, u32 insn); - static std::string DisassembleREX(Opcode opcode, u32 insn); - static std::string DisassembleSAT(Opcode opcode, u32 insn); - static std::string DisassembleSEL(u32 insn); - static std::string DisassembleSWI(u32 insn); - static std::string DisassembleSWP(Opcode opcode, u32 insn); - static std::string DisassembleXT(Opcode opcode, u32 insn); -}; diff --git a/src/core/arm/disassembler/load_symbol_map.cpp b/src/core/arm/disassembler/load_symbol_map.cpp deleted file mode 100644 index 6863c103a..000000000 --- a/src/core/arm/disassembler/load_symbol_map.cpp +++ /dev/null @@ -1,31 +0,0 @@ -// Copyright 2014 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include <sstream> -#include <string> -#include <vector> -#include "common/file_util.h" -#include "common/symbols.h" -#include "core/arm/disassembler/load_symbol_map.h" - -/* - * Loads a symbol map file for use with the disassembler - * @param filename String filename path of symbol map file - */ -void LoadSymbolMap(std::string filename) { - std::ifstream infile(filename); - - std::string address_str, function_name, line; - u32 size; - - while (std::getline(infile, line)) { - std::istringstream iss(line); - if (!(iss >> address_str >> size >> function_name)) { - break; // Error parsing - } - u32 address = std::stoul(address_str, nullptr, 16); - - Symbols::Add(address, function_name, size, 2); - } -} diff --git a/src/core/arm/disassembler/load_symbol_map.h b/src/core/arm/disassembler/load_symbol_map.h deleted file mode 100644 index d28c551c3..000000000 --- a/src/core/arm/disassembler/load_symbol_map.h +++ /dev/null @@ -1,13 +0,0 @@ -// Copyright 2014 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include <string> - -/* - * Loads a symbol map file for use with the disassembler - * @param filename String filename path of symbol map file - */ -void LoadSymbolMap(std::string filename); diff --git a/src/core/arm/dyncom/arm_dyncom_dec.cpp b/src/core/arm/dyncom/arm_dyncom_dec.cpp index 64dcaae08..dcfcd6561 100644 --- a/src/core/arm/dyncom/arm_dyncom_dec.cpp +++ b/src/core/arm/dyncom/arm_dyncom_dec.cpp @@ -415,7 +415,7 @@ const InstructionSetEncodingItem arm_exclusion_code[] = { }; // clang-format on -ARMDecodeStatus DecodeARMInstruction(u32 instr, s32* idx) { +ARMDecodeStatus DecodeARMInstruction(u32 instr, int* idx) { int n = 0; int base = 0; int instr_slots = sizeof(arm_instruction) / sizeof(InstructionSetEncodingItem); diff --git a/src/core/arm/dyncom/arm_dyncom_dec.h b/src/core/arm/dyncom/arm_dyncom_dec.h index 2fb7ac37c..1dcf7ecd1 100644 --- a/src/core/arm/dyncom/arm_dyncom_dec.h +++ b/src/core/arm/dyncom/arm_dyncom_dec.h @@ -8,7 +8,7 @@ enum class ARMDecodeStatus { SUCCESS, FAILURE }; -ARMDecodeStatus DecodeARMInstruction(u32 instr, s32* idx); +ARMDecodeStatus DecodeARMInstruction(u32 instr, int* idx); struct InstructionSetEncodingItem { const char* name; diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp index 273bc8167..f4fbb8d04 100644 --- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp +++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp @@ -5,11 +5,11 @@ #define CITRA_IGNORE_EXIT(x) #include <algorithm> +#include <cinttypes> #include <cstdio> #include "common/common_types.h" #include "common/logging/log.h" #include "common/microprofile.h" -#include "core/arm/disassembler/arm_disasm.h" #include "core/arm/dyncom/arm_dyncom_dec.h" #include "core/arm/dyncom/arm_dyncom_interpreter.h" #include "core/arm/dyncom/arm_dyncom_run.h" @@ -808,8 +808,8 @@ MICROPROFILE_DEFINE(DynCom_Decode, "DynCom", "Decode", MP_RGB(255, 64, 64)); static unsigned int InterpreterTranslateInstruction(const ARMul_State* cpu, const u32 phys_addr, ARM_INST_PTR& inst_base) { - unsigned int inst_size = 4; - unsigned int inst = Memory::Read32(phys_addr & 0xFFFFFFFC); + u32 inst_size = 4; + u32 inst = Memory::Read32(phys_addr & 0xFFFFFFFC); // If we are in Thumb mode, we'll translate one Thumb instruction to the corresponding ARM // instruction @@ -827,11 +827,10 @@ static unsigned int InterpreterTranslateInstruction(const ARMul_State* cpu, cons int idx; if (DecodeARMInstruction(inst, &idx) == ARMDecodeStatus::FAILURE) { - std::string disasm = ARM_Disasm::Disassemble(phys_addr, inst); - LOG_ERROR(Core_ARM11, "Decode failure.\tPC : [0x%x]\tInstruction : %s [%x]", phys_addr, - disasm.c_str(), inst); - LOG_ERROR(Core_ARM11, "cpsr=0x%x, cpu->TFlag=%d, r15=0x%x", cpu->Cpsr, cpu->TFlag, - cpu->Reg[15]); + LOG_ERROR(Core_ARM11, "Decode failure.\tPC: [0x%08" PRIX32 "]\tInstruction: %08" PRIX32, + phys_addr, inst); + LOG_ERROR(Core_ARM11, "cpsr=0x%" PRIX32 ", cpu->TFlag=%d, r15=0x%08" PRIX32, cpu->Cpsr, + cpu->TFlag, cpu->Reg[15]); CITRA_IGNORE_EXIT(-1); } inst_base = arm_instruction_trans[idx](inst, idx); diff --git a/src/core/hle/svc.cpp b/src/core/hle/svc.cpp index 2db823c61..8538cfc9d 100644 --- a/src/core/hle/svc.cpp +++ b/src/core/hle/svc.cpp @@ -2,12 +2,12 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include <cinttypes> #include <map> #include "common/logging/log.h" #include "common/microprofile.h" #include "common/scope_exit.h" #include "common/string_util.h" -#include "common/symbols.h" #include "core/arm/arm_interface.h" #include "core/core_timing.h" #include "core/hle/function_wrappers.h" @@ -524,13 +524,7 @@ static ResultCode CreateThread(Kernel::Handle* out_handle, s32 priority, u32 ent u32 stack_top, s32 processor_id) { using Kernel::Thread; - std::string name; - if (Symbols::HasSymbol(entry_point)) { - TSymbol symbol = Symbols::GetSymbol(entry_point); - name = symbol.name; - } else { - name = Common::StringFromFormat("unknown-%08x", entry_point); - } + std::string name = Common::StringFromFormat("unknown-%08" PRIX32, entry_point); if (priority > THREADPRIO_LOWEST) { return ResultCode(ErrorDescription::OutOfRange, ErrorModule::OS, diff --git a/src/core/loader/elf.cpp b/src/core/loader/elf.cpp index 8eb5200ab..cfcde9167 100644 --- a/src/core/loader/elf.cpp +++ b/src/core/loader/elf.cpp @@ -8,7 +8,6 @@ #include "common/common_types.h" #include "common/file_util.h" #include "common/logging/log.h" -#include "common/symbols.h" #include "core/hle/kernel/process.h" #include "core/hle/kernel/resource_limit.h" #include "core/loader/elf.h" @@ -210,7 +209,6 @@ public: return (u32)(header->e_flags); } SharedPtr<CodeSet> LoadInto(u32 vaddr); - bool LoadSymbols(); int GetNumSegments() const { return (int)(header->e_phnum); @@ -258,8 +256,6 @@ ElfReader::ElfReader(void* ptr) { sections = (Elf32_Shdr*)(base + header->e_shoff); entryPoint = header->e_entry; - - LoadSymbols(); } const char* ElfReader::GetSectionName(int section) const { @@ -362,34 +358,6 @@ SectionID ElfReader::GetSectionByName(const char* name, int firstSection) const return -1; } -bool ElfReader::LoadSymbols() { - bool hasSymbols = false; - SectionID sec = GetSectionByName(".symtab"); - if (sec != -1) { - int stringSection = sections[sec].sh_link; - const char* stringBase = reinterpret_cast<const char*>(GetSectionDataPtr(stringSection)); - - // We have a symbol table! - const Elf32_Sym* symtab = reinterpret_cast<const Elf32_Sym*>(GetSectionDataPtr(sec)); - unsigned int numSymbols = sections[sec].sh_size / sizeof(Elf32_Sym); - for (unsigned sym = 0; sym < numSymbols; sym++) { - int size = symtab[sym].st_size; - if (size == 0) - continue; - - int type = symtab[sym].st_info & 0xF; - - const char* name = stringBase + symtab[sym].st_name; - - Symbols::Add(symtab[sym].st_value, name, size, type); - - hasSymbols = true; - } - } - - return hasSymbols; -} - //////////////////////////////////////////////////////////////////////////////////////////////////// // Loader namespace |