diff options
Diffstat (limited to 'disas')
-rw-r--r-- | disas/nanomips.cpp | 204 | ||||
-rw-r--r-- | disas/nanomips.h | 15 |
2 files changed, 101 insertions, 118 deletions
diff --git a/disas/nanomips.cpp b/disas/nanomips.cpp index a73eae5b33..0d67462e5d 100644 --- a/disas/nanomips.cpp +++ b/disas/nanomips.cpp @@ -41,105 +41,6 @@ #define IMGASSERTONCE(test) -static int nanomips_dis(char *buf, - Dis_info *info, - unsigned short one, - unsigned short two, - unsigned short three) -{ - std::string disasm; - uint16 bits[3] = {one, two, three}; - - TABLE_ENTRY_TYPE type; - NMD d; - int size = d.Disassemble(bits, disasm, type, info); - - strcpy(buf, disasm.c_str()); - return size; -} - -int print_insn_nanomips(bfd_vma memaddr, struct disassemble_info *info) -{ - int status; - bfd_byte buffer[2]; - uint16_t insn1 = 0, insn2 = 0, insn3 = 0; - char buf[200]; - - info->bytes_per_chunk = 2; - info->display_endian = info->endian; - info->insn_info_valid = 1; - info->branch_delay_insns = 0; - info->data_size = 0; - info->insn_type = dis_nonbranch; - info->target = 0; - info->target2 = 0; - - Dis_info disassm_info; - disassm_info.m_pc = memaddr; - - status = (*info->read_memory_func)(memaddr, buffer, 2, info); - if (status != 0) { - (*info->memory_error_func)(status, memaddr, info); - return -1; - } - - if (info->endian == BFD_ENDIAN_BIG) { - insn1 = bfd_getb16(buffer); - } else { - insn1 = bfd_getl16(buffer); - } - (*info->fprintf_func)(info->stream, "%04x ", insn1); - - /* Handle 32-bit opcodes. */ - if ((insn1 & 0x1000) == 0) { - status = (*info->read_memory_func)(memaddr + 2, buffer, 2, info); - if (status != 0) { - (*info->memory_error_func)(status, memaddr + 2, info); - return -1; - } - - if (info->endian == BFD_ENDIAN_BIG) { - insn2 = bfd_getb16(buffer); - } else { - insn2 = bfd_getl16(buffer); - } - (*info->fprintf_func)(info->stream, "%04x ", insn2); - } else { - (*info->fprintf_func)(info->stream, " "); - } - /* Handle 48-bit opcodes. */ - if ((insn1 >> 10) == 0x18) { - status = (*info->read_memory_func)(memaddr + 4, buffer, 2, info); - if (status != 0) { - (*info->memory_error_func)(status, memaddr + 4, info); - return -1; - } - - if (info->endian == BFD_ENDIAN_BIG) { - insn3 = bfd_getb16(buffer); - } else { - insn3 = bfd_getl16(buffer); - } - (*info->fprintf_func)(info->stream, "%04x ", insn3); - } else { - (*info->fprintf_func)(info->stream, " "); - } - - int length = nanomips_dis(buf, &disassm_info, insn1, insn2, insn3); - - /* FIXME: Should probably use a hash table on the major opcode here. */ - - (*info->fprintf_func) (info->stream, "%s", buf); - if (length > 0) { - return length / 8; - } - - info->insn_type = dis_noninsn; - - return insn3 ? 6 : insn2 ? 4 : 2; -} - - std::string img_format(const char *format, ...) { char buffer[256]; @@ -739,7 +640,7 @@ static std::string ADDRESS(uint64 value, int instruction_size, Dis_info *info) } -uint64 NMD::extract_op_code_value(const uint16 * data, int size) +static uint64 extract_op_code_value(const uint16 *data, int size) { switch (size) { case 16: @@ -765,7 +666,7 @@ uint64 NMD::extract_op_code_value(const uint16 * data, int size) * instruction size - negative is error * disassembly string - on error will constain error string */ -int NMD::Disassemble(const uint16 * data, std::string & dis, +static int Disassemble(const uint16 *data, std::string & dis, TABLE_ENTRY_TYPE & type, const Pool *table, int table_size, Dis_info *info) { @@ -22348,8 +22249,105 @@ static const Pool MAJOR[2] = { 0x0 }, /* P16 */ }; -int NMD::Disassemble(const uint16 *data, std::string & dis, - TABLE_ENTRY_TYPE & type, Dis_info *info) +static int Disassemble(const uint16 *data, std::string & dis, + TABLE_ENTRY_TYPE & type, Dis_info *info) { return Disassemble(data, dis, type, MAJOR, 2, info); } + +static int nanomips_dis(char *buf, + Dis_info *info, + unsigned short one, + unsigned short two, + unsigned short three) +{ + std::string disasm; + uint16 bits[3] = {one, two, three}; + + TABLE_ENTRY_TYPE type; + int size = Disassemble(bits, disasm, type, info); + + strcpy(buf, disasm.c_str()); + return size; +} + +int print_insn_nanomips(bfd_vma memaddr, struct disassemble_info *info) +{ + int status; + bfd_byte buffer[2]; + uint16_t insn1 = 0, insn2 = 0, insn3 = 0; + char buf[200]; + + info->bytes_per_chunk = 2; + info->display_endian = info->endian; + info->insn_info_valid = 1; + info->branch_delay_insns = 0; + info->data_size = 0; + info->insn_type = dis_nonbranch; + info->target = 0; + info->target2 = 0; + + Dis_info disassm_info; + disassm_info.m_pc = memaddr; + + status = (*info->read_memory_func)(memaddr, buffer, 2, info); + if (status != 0) { + (*info->memory_error_func)(status, memaddr, info); + return -1; + } + + if (info->endian == BFD_ENDIAN_BIG) { + insn1 = bfd_getb16(buffer); + } else { + insn1 = bfd_getl16(buffer); + } + (*info->fprintf_func)(info->stream, "%04x ", insn1); + + /* Handle 32-bit opcodes. */ + if ((insn1 & 0x1000) == 0) { + status = (*info->read_memory_func)(memaddr + 2, buffer, 2, info); + if (status != 0) { + (*info->memory_error_func)(status, memaddr + 2, info); + return -1; + } + + if (info->endian == BFD_ENDIAN_BIG) { + insn2 = bfd_getb16(buffer); + } else { + insn2 = bfd_getl16(buffer); + } + (*info->fprintf_func)(info->stream, "%04x ", insn2); + } else { + (*info->fprintf_func)(info->stream, " "); + } + /* Handle 48-bit opcodes. */ + if ((insn1 >> 10) == 0x18) { + status = (*info->read_memory_func)(memaddr + 4, buffer, 2, info); + if (status != 0) { + (*info->memory_error_func)(status, memaddr + 4, info); + return -1; + } + + if (info->endian == BFD_ENDIAN_BIG) { + insn3 = bfd_getb16(buffer); + } else { + insn3 = bfd_getl16(buffer); + } + (*info->fprintf_func)(info->stream, "%04x ", insn3); + } else { + (*info->fprintf_func)(info->stream, " "); + } + + int length = nanomips_dis(buf, &disassm_info, insn1, insn2, insn3); + + /* FIXME: Should probably use a hash table on the major opcode here. */ + + (*info->fprintf_func) (info->stream, "%s", buf); + if (length > 0) { + return length / 8; + } + + info->insn_type = dis_noninsn; + + return insn3 ? 6 : insn2 ? 4 : 2; +} diff --git a/disas/nanomips.h b/disas/nanomips.h index c56fc32b1e..47b44af751 100644 --- a/disas/nanomips.h +++ b/disas/nanomips.h @@ -80,19 +80,4 @@ typedef struct Pool { uint64 attributes; } Pool; -class NMD -{ -public: - - int Disassemble(const uint16 *data, std::string & dis, - TABLE_ENTRY_TYPE & type, Dis_info *info); - -private: - - uint64 extract_op_code_value(const uint16 *data, int size); - int Disassemble(const uint16 *data, std::string & dis, - TABLE_ENTRY_TYPE & type, const Pool *table, int table_size, - Dis_info *info); -}; - #endif |