diff --git a/lldb/scripts/disasm-gdb-remote.pl b/lldb/scripts/disasm-gdb-remote.pl new file mode 100755 index 000000000000..84788de49a12 --- /dev/null +++ b/lldb/scripts/disasm-gdb-remote.pl @@ -0,0 +1,1897 @@ +#!/usr/bin/perl + +use strict; + +#---------------------------------------------------------------------- +# Globals +#---------------------------------------------------------------------- +our $unsupported_str = "UNSUPPORTED"; +our $success_str = "OK"; +our $swap = 1; +our $addr_size = 4; +our $thread_suffix_supported = 0; +our $max_bytes_per_line = 32; +our $addr_format = sprintf("0x%%%u.%ux", $addr_size*2, $addr_size*2); +our $pid_format = "%04.4x"; +our $tid_format = "%04.4x"; +our $reg8_href = { extract => \&get8, format => "0x%2.2x" }; +our $reg16_href = { extract => \&get16, format => "0x%4.4x" }; +our $reg32_href = { extract => \&get32, format => "0x%8.8x" }; +our $reg64_href = { extract => \&get64, format => "0x%s" }; +our $reg80_href = { extract => \&get80, format => "0x%s" }; +our $reg128_href = { extract => \&get128, format => "0x%s" }; +our $float32_href = { extract => \&get32, format => "0x%8.8x" }; +our $float64_href = { extract => \&get64, format => "0x%s" }; +our $float96_href = { extract => \&get96, format => "0x%s" }; +our $curr_cmd = undef; +our $reg_cmd_reg; +our %reg_map = ( + 'i386-gdb' => [ + { name => 'eax', info => $reg32_href }, + { name => 'ecx', info => $reg32_href }, + { name => 'edx', info => $reg32_href }, + { name => 'ebx', info => $reg32_href }, + { name => 'esp', info => $reg32_href }, + { name => 'ebp', info => $reg32_href }, + { name => 'esi', info => $reg32_href }, + { name => 'edi', info => $reg32_href }, + { name => 'eip', info => $reg32_href }, + { name => 'eflags', info => $reg32_href }, + { name => 'cs', info => $reg32_href }, + { name => 'ss', info => $reg32_href }, + { name => 'ds', info => $reg32_href }, + { name => 'es', info => $reg32_href }, + { name => 'fs', info => $reg32_href }, + { name => 'gs', info => $reg32_href }, + { name => 'st0', info => $reg80_href }, + { name => 'st1', info => $reg80_href }, + { name => 'st2', info => $reg80_href }, + { name => 'st3', info => $reg80_href }, + { name => 'st4', info => $reg80_href }, + { name => 'st5', info => $reg80_href }, + { name => 'st6', info => $reg80_href }, + { name => 'st7', info => $reg80_href }, + { name => 'fctrl', info => $reg32_href }, + { name => 'fstat', info => $reg32_href }, + { name => 'ftag', info => $reg32_href }, + { name => 'fiseg', info => $reg32_href }, + { name => 'fioff', info => $reg32_href }, + { name => 'foseg', info => $reg32_href }, + { name => 'fooff', info => $reg32_href }, + { name => 'fop', info => $reg32_href }, + { name => 'xmm0', info => $reg128_href }, + { name => 'xmm1', info => $reg128_href }, + { name => 'xmm2', info => $reg128_href }, + { name => 'xmm3', info => $reg128_href }, + { name => 'xmm4', info => $reg128_href }, + { name => 'xmm5', info => $reg128_href }, + { name => 'xmm6', info => $reg128_href }, + { name => 'xmm7', info => $reg128_href }, + { name => 'mxcsr', info => $reg32_href }, + { name => 'mm0', info => $reg64_href }, + { name => 'mm1', info => $reg64_href }, + { name => 'mm2', info => $reg64_href }, + { name => 'mm3', info => $reg64_href }, + { name => 'mm4', info => $reg64_href }, + { name => 'mm5', info => $reg64_href }, + { name => 'mm6', info => $reg64_href }, + { name => 'mm7', info => $reg64_href }, + ], + + 'i386-lldb' => [ + { name => 'eax', info => $reg32_href }, + { name => 'ebx', info => $reg32_href }, + { name => 'ecx', info => $reg32_href }, + { name => 'edx', info => $reg32_href }, + { name => 'edi', info => $reg32_href }, + { name => 'esi', info => $reg32_href }, + { name => 'ebp', info => $reg32_href }, + { name => 'esp', info => $reg32_href }, + { name => 'ss', info => $reg32_href }, + { name => 'eflags', info => $reg32_href }, + { name => 'eip', info => $reg32_href }, + { name => 'cs', info => $reg32_href }, + { name => 'ds', info => $reg32_href }, + { name => 'es', info => $reg32_href }, + { name => 'fs', info => $reg32_href }, + { name => 'gs', info => $reg32_href }, + { name => 'fctrl', info => $reg16_href }, + { name => 'fstat', info => $reg16_href }, + { name => 'ftag', info => $reg8_href }, + { name => 'fop', info => $reg16_href }, + { name => 'fioff', info => $reg32_href }, + { name => 'fiseg', info => $reg16_href }, + { name => 'fooff', info => $reg32_href }, + { name => 'foseg', info => $reg16_href }, + { name => 'mxcsr', info => $reg32_href }, + { name => 'mxcsrmask', info => $reg32_href }, + { name => 'stmm0', info => $reg80_href }, + { name => 'stmm1', info => $reg80_href }, + { name => 'stmm2', info => $reg80_href }, + { name => 'stmm3', info => $reg80_href }, + { name => 'stmm4', info => $reg80_href }, + { name => 'stmm5', info => $reg80_href }, + { name => 'stmm6', info => $reg80_href }, + { name => 'stmm7', info => $reg80_href }, + { name => 'xmm0', info => $reg128_href }, + { name => 'xmm1', info => $reg128_href }, + { name => 'xmm2', info => $reg128_href }, + { name => 'xmm3', info => $reg128_href }, + { name => 'xmm4', info => $reg128_href }, + { name => 'xmm5', info => $reg128_href }, + { name => 'xmm6', info => $reg128_href }, + { name => 'xmm7', info => $reg128_href }, + { name => 'trapno', info => $reg32_href }, + { name => 'err', info => $reg32_href }, + { name => 'faultvaddr', info => $reg32_href }, + ], + + 'arm-gdb' => [ + { name => 'r0' , info => $reg32_href }, + { name => 'r1' , info => $reg32_href }, + { name => 'r2' , info => $reg32_href }, + { name => 'r3' , info => $reg32_href }, + { name => 'r4' , info => $reg32_href }, + { name => 'r5' , info => $reg32_href }, + { name => 'r6' , info => $reg32_href }, + { name => 'r7' , info => $reg32_href }, + { name => 'r8' , info => $reg32_href }, + { name => 'r9' , info => $reg32_href }, + { name => 'r10' , info => $reg32_href }, + { name => 'r11' , info => $reg32_href }, + { name => 'r12' , info => $reg32_href }, + { name => 'sp' , info => $reg32_href }, + { name => 'lr' , info => $reg32_href }, + { name => 'pc' , info => $reg32_href }, + { name => 'f0' , info => $float96_href }, + { name => 'f1' , info => $float96_href }, + { name => 'f2' , info => $float96_href }, + { name => 'f3' , info => $float96_href }, + { name => 'f4' , info => $float96_href }, + { name => 'f5' , info => $float96_href }, + { name => 'f6' , info => $float96_href }, + { name => 'f7' , info => $float96_href }, + { name => 'fps' , info => $reg32_href }, + { name => 'cpsr' , info => $reg32_href }, + { name => 's0' , info => $float32_href }, + { name => 's1' , info => $float32_href }, + { name => 's2' , info => $float32_href }, + { name => 's3' , info => $float32_href }, + { name => 's4' , info => $float32_href }, + { name => 's5' , info => $float32_href }, + { name => 's6' , info => $float32_href }, + { name => 's7' , info => $float32_href }, + { name => 's8' , info => $float32_href }, + { name => 's9' , info => $float32_href }, + { name => 's10' , info => $float32_href }, + { name => 's11' , info => $float32_href }, + { name => 's12' , info => $float32_href }, + { name => 's13' , info => $float32_href }, + { name => 's14' , info => $float32_href }, + { name => 's15' , info => $float32_href }, + { name => 's16' , info => $float32_href }, + { name => 's17' , info => $float32_href }, + { name => 's18' , info => $float32_href }, + { name => 's19' , info => $float32_href }, + { name => 's20' , info => $float32_href }, + { name => 's21' , info => $float32_href }, + { name => 's22' , info => $float32_href }, + { name => 's23' , info => $float32_href }, + { name => 's24' , info => $float32_href }, + { name => 's25' , info => $float32_href }, + { name => 's26' , info => $float32_href }, + { name => 's27' , info => $float32_href }, + { name => 's28' , info => $float32_href }, + { name => 's29' , info => $float32_href }, + { name => 's30' , info => $float32_href }, + { name => 's31' , info => $float32_href }, + { name => 'fpscr' , info => $reg32_href }, + { name => 'd16' , info => $float64_href }, + { name => 'd17' , info => $float64_href }, + { name => 'd18' , info => $float64_href }, + { name => 'd19' , info => $float64_href }, + { name => 'd20' , info => $float64_href }, + { name => 'd21' , info => $float64_href }, + { name => 'd22' , info => $float64_href }, + { name => 'd23' , info => $float64_href }, + { name => 'd24' , info => $float64_href }, + { name => 'd25' , info => $float64_href }, + { name => 'd26' , info => $float64_href }, + { name => 'd27' , info => $float64_href }, + { name => 'd28' , info => $float64_href }, + { name => 'd29' , info => $float64_href }, + { name => 'd30' , info => $float64_href }, + { name => 'd31' , info => $float64_href }, + ], + + 'x86_64-gdb' => [ + { name => 'rax' , info => $reg64_href }, + { name => 'rbx' , info => $reg64_href }, + { name => 'rcx' , info => $reg64_href }, + { name => 'rdx' , info => $reg64_href }, + { name => 'rsi' , info => $reg64_href }, + { name => 'rdi' , info => $reg64_href }, + { name => 'rbp' , info => $reg64_href }, + { name => 'rsp' , info => $reg64_href }, + { name => 'r8' , info => $reg64_href }, + { name => 'r9' , info => $reg64_href }, + { name => 'r10' , info => $reg64_href }, + { name => 'r11' , info => $reg64_href }, + { name => 'r12' , info => $reg64_href }, + { name => 'r13' , info => $reg64_href }, + { name => 'r14' , info => $reg64_href }, + { name => 'r15' , info => $reg64_href }, + { name => 'rip' , info => $reg64_href }, + { name => 'eflags' , info => $reg32_href }, + { name => 'cs' , info => $reg32_href }, + { name => 'ss' , info => $reg32_href }, + { name => 'ds' , info => $reg32_href }, + { name => 'es' , info => $reg32_href }, + { name => 'fs' , info => $reg32_href }, + { name => 'gs' , info => $reg32_href }, + { name => 'stmm0' , info => $reg80_href }, + { name => 'stmm1' , info => $reg80_href }, + { name => 'stmm2' , info => $reg80_href }, + { name => 'stmm3' , info => $reg80_href }, + { name => 'stmm4' , info => $reg80_href }, + { name => 'stmm5' , info => $reg80_href }, + { name => 'stmm6' , info => $reg80_href }, + { name => 'stmm7' , info => $reg80_href }, + { name => 'fctrl' , info => $reg32_href }, + { name => 'fstat' , info => $reg32_href }, + { name => 'ftag' , info => $reg32_href }, + { name => 'fiseg' , info => $reg32_href }, + { name => 'fioff' , info => $reg32_href }, + { name => 'foseg' , info => $reg32_href }, + { name => 'fooff' , info => $reg32_href }, + { name => 'fop' , info => $reg32_href }, + { name => 'xmm0' , info => $reg128_href }, + { name => 'xmm1' , info => $reg128_href }, + { name => 'xmm2' , info => $reg128_href }, + { name => 'xmm3' , info => $reg128_href }, + { name => 'xmm4' , info => $reg128_href }, + { name => 'xmm5' , info => $reg128_href }, + { name => 'xmm6' , info => $reg128_href }, + { name => 'xmm7' , info => $reg128_href }, + { name => 'xmm8' , info => $reg128_href }, + { name => 'xmm9' , info => $reg128_href }, + { name => 'xmm10' , info => $reg128_href }, + { name => 'xmm11' , info => $reg128_href }, + { name => 'xmm12' , info => $reg128_href }, + { name => 'xmm13' , info => $reg128_href }, + { name => 'xmm14' , info => $reg128_href }, + { name => 'xmm15' , info => $reg128_href }, + { name => 'mxcsr' , info => $reg32_href }, + ], + + 'x86_64-lldb' => [ + { name => 'rax' , info => $reg64_href }, + { name => 'rbx' , info => $reg64_href }, + { name => 'rcx' , info => $reg64_href }, + { name => 'rdx' , info => $reg64_href }, + { name => 'rdi' , info => $reg64_href }, + { name => 'rsi' , info => $reg64_href }, + { name => 'rbp' , info => $reg64_href }, + { name => 'rsp' , info => $reg64_href }, + { name => 'r8 ' , info => $reg64_href }, + { name => 'r9 ' , info => $reg64_href }, + { name => 'r10' , info => $reg64_href }, + { name => 'r11' , info => $reg64_href }, + { name => 'r12' , info => $reg64_href }, + { name => 'r13' , info => $reg64_href }, + { name => 'r14' , info => $reg64_href }, + { name => 'r15' , info => $reg64_href }, + { name => 'rip' , info => $reg64_href }, + { name => 'rflags' , info => $reg64_href }, + { name => 'cs' , info => $reg64_href }, + { name => 'fs' , info => $reg64_href }, + { name => 'gs' , info => $reg64_href }, + { name => 'fctrl' , info => $reg16_href }, + { name => 'fstat' , info => $reg16_href }, + { name => 'ftag' , info => $reg8_href }, + { name => 'fop' , info => $reg16_href }, + { name => 'fioff' , info => $reg32_href }, + { name => 'fiseg' , info => $reg16_href }, + { name => 'fooff' , info => $reg32_href }, + { name => 'foseg' , info => $reg16_href }, + { name => 'mxcsr' , info => $reg32_href }, + { name => 'mxcsrmask' , info => $reg32_href }, + { name => 'stmm0' , info => $reg80_href }, + { name => 'stmm1' , info => $reg80_href }, + { name => 'stmm2' , info => $reg80_href }, + { name => 'stmm3' , info => $reg80_href }, + { name => 'stmm4' , info => $reg80_href }, + { name => 'stmm5' , info => $reg80_href }, + { name => 'stmm6' , info => $reg80_href }, + { name => 'stmm7' , info => $reg80_href }, + { name => 'xmm0' , info => $reg128_href }, + { name => 'xmm1' , info => $reg128_href }, + { name => 'xmm2' , info => $reg128_href }, + { name => 'xmm3' , info => $reg128_href }, + { name => 'xmm4' , info => $reg128_href }, + { name => 'xmm5' , info => $reg128_href }, + { name => 'xmm6' , info => $reg128_href }, + { name => 'xmm7' , info => $reg128_href }, + { name => 'xmm8' , info => $reg128_href }, + { name => 'xmm9' , info => $reg128_href }, + { name => 'xmm10' , info => $reg128_href }, + { name => 'xmm11' , info => $reg128_href }, + { name => 'xmm12' , info => $reg128_href }, + { name => 'xmm13' , info => $reg128_href }, + { name => 'xmm14' , info => $reg128_href }, + { name => 'xmm15' , info => $reg128_href }, + { name => 'trapno' , info => $reg32_href }, + { name => 'err' , info => $reg32_href }, + { name => 'faultvaddr' , info => $reg64_href }, + ] +); + +our $max_register_name_len = 0; +calculate_max_register_name_length(); +our @point_types = ( "software_bp", "hardware_bp", "write_wp", "read_wp", "access_wp" ); +our $opt_v = 0; # verbose +our $opt_g = 0; # debug +our $opt_q = 0; # quiet +our $opt_r = undef; +use Getopt::Std; +getopts('gvqr:'); + +our $registers_aref = undef; + +if (length($opt_r)) +{ + $registers_aref = $reg_map{$opt_r}; +} + +sub extract_key_value_pairs +{ + my $kv_href = {}; + my $arrayref = shift; + my $str = join('',@$arrayref); + my @kv_strs = split(/;/, $str); + foreach my $kv_str (@kv_strs) + { + my ($key, $value) = split(/:/, $kv_str); + $kv_href->{$key} = $value; + } + return $kv_href; +} + +sub get_thread_from_thread_suffix +{ + if ($thread_suffix_supported) + { + my $arrayref = shift; + # Skip leading semi-colon if needed + $$arrayref[0] == ';' and shift @$arrayref; + my $thread_href = extract_key_value_pairs ($arrayref); + if (exists $thread_href->{thread}) + { + return $thread_href->{thread}; + } + } + return undef; +} + +sub calculate_max_register_name_length +{ + $max_register_name_len = 7; + foreach my $reg_href (@$registers_aref) + { + my $name_len = length($reg_href->{name}); + if ($max_register_name_len < $name_len) + { + $max_register_name_len = $name_len; + } + } +} +#---------------------------------------------------------------------- +# Hash that maps command characters to the appropriate functions using +# the command character as the key and the value being a reference to +# the dump function for dumping the command itself. +#---------------------------------------------------------------------- +our %cmd_callbacks = +( + '?' => \&dump_last_signal_cmd, + 'H' => \&dump_set_thread_cmd, + 'T' => \&dump_thread_is_alive_cmd, + 'q' => \&dump_general_query_cmd, + 'Q' => \&dump_general_set_cmd, + 'g' => \&dump_read_regs_cmd, + 'G' => \&dump_write_regs_cmd, + 'p' => \&dump_read_single_register_cmd, + 'P' => \&dump_write_single_register_cmd, + 'm' => \&dump_read_mem_cmd, + 'M' => \&dump_write_mem_cmd, + 'X' => \&dump_write_mem_binary_cmd, + 'Z' => \&dump_bp_wp_command, + 'z' => \&dump_bp_wp_command, + 'k' => \&dump_kill_cmd, + 'A' => \&dump_A_command, + 'c' => \&dump_continue_cmd, + 'C' => \&dump_continue_with_signal_cmd, + '_M' => \&dump_allocate_memory_cmd, + '_m' => \&dump_deallocate_memory_cmd, + # extended commands + 'v' => \&dump_extended_cmd +); + +#---------------------------------------------------------------------- +# Hash that maps command characters to the appropriate functions using +# the command character as the key and the value being a reference to +# the dump function for the response to the command. +#---------------------------------------------------------------------- +our %rsp_callbacks = +( + 'c' => \&dump_stop_reply_packet, + 'C' => \&dump_stop_reply_packet, + '?' => \&dump_stop_reply_packet, + 'T' => \&dump_thread_is_alive_rsp, + 'H' => \&dump_set_thread_rsp, + 'q' => \&dump_general_query_rsp, + 'g' => \&dump_read_regs_rsp, + 'p' => \&dump_read_single_register_rsp, + 'm' => \&dump_read_mem_rsp, + '_M' => \&dump_allocate_memory_rsp, + + # extended commands + 'v' => \&dump_extended_rsp, +); + + +sub dump_register_value +{ + my $indent = shift; + my $arrayref = shift; + my $reg_num = shift; + + if ($reg_num >= @$registers_aref) + { + printf("\tinvalid register index %d\n", $reg_num); + } + + my $reg_href = $$registers_aref[$reg_num]; + my $reg_name = $reg_href->{name}; + if ($$arrayref[0] eq '#') + { + printf("\t%*s: error: EOS reached when trying to read register %d\n", $max_register_name_len, $reg_name, $reg_num); + } + + my $reg_info = $reg_href->{info}; + my $reg_extract = $reg_info->{extract}; + my $reg_format = $reg_info->{format}; + my $reg_val = &$reg_extract($arrayref); + if ($indent) { + printf("\t%*s = $reg_format", $max_register_name_len, $reg_name, $reg_val); + } else { + printf("%s = $reg_format", $reg_name, $reg_val); + } +} + +#---------------------------------------------------------------------- +# Extract the command into an array of ASCII char strings for easy +# processing +#---------------------------------------------------------------------- +sub extract_command +{ + my $cmd_str = shift; + my @cmd_chars = split(/ */, $cmd_str); + if ($cmd_chars[0] ne '$') + { + # only set the current command if it isn't a reply + $curr_cmd = $cmd_chars[0]; + } + return @cmd_chars; +} + +#---------------------------------------------------------------------- +# Strip the 3 checksum array entries after we don't need them anymore +#---------------------------------------------------------------------- +sub strip_checksum +{ + my $arrayref = shift; + splice(@$arrayref, -3); +} + +#---------------------------------------------------------------------- +# Dump all strings in array by joining them together with no space +# between them +#---------------------------------------------------------------------- +sub dump_chars +{ + print join('',@_); +} + +#---------------------------------------------------------------------- +# Check if the response is an error 'EXX' +#---------------------------------------------------------------------- +sub is_error_response +{ + if ($_[0] eq 'E') + { + shift; + print "ERROR = " . join('',@_) . "\n"; + return 1; + } + return 0; +} + +#---------------------------------------------------------------------- +# 'H' command +#---------------------------------------------------------------------- +sub dump_set_thread_cmd +{ + my $cmd = shift; + my $mod = shift; + print "set_thread ( $mod, " . join('',@_) . " )\n"; +} + +#---------------------------------------------------------------------- +# 'T' command +#---------------------------------------------------------------------- +our $T_cmd_tid = -1; +sub dump_thread_is_alive_cmd +{ + my $cmd = shift; + $T_cmd_tid = get_hex(\@_); + printf("thread_is_alive ( $tid_format )\n", $T_cmd_tid); +} + +sub dump_thread_is_alive_rsp +{ + my $rsp = join('',@_); + + printf("thread_is_alive ( $tid_format ) =>", $T_cmd_tid); + if ($rsp eq 'OK') + { + print " alive.\n"; + } + else + { + print " dead.\n"; + } +} + +#---------------------------------------------------------------------- +# 'H' response +#---------------------------------------------------------------------- +sub dump_set_thread_rsp +{ + if (!is_error_response(@_)) + { + print join('',@_) . "\n"; + } +} + +#---------------------------------------------------------------------- +# 'q' command +#---------------------------------------------------------------------- +our $gen_query_cmd; +sub dump_general_query_cmd +{ + $gen_query_cmd = join('',@_); + if ($gen_query_cmd eq 'qC') + { + print 'get_current_pid ()'; + } + elsif ($gen_query_cmd eq 'qfThreadInfo') + { + print 'get_first_active_threads ()'; + } + elsif ($gen_query_cmd eq 'qsThreadInfo') + { + print 'get_subsequent_active_threads ()'; + } + elsif (index($gen_query_cmd, 'qThreadExtraInfo') == 0) + { + # qThreadExtraInfo,id + print 'get_thread_extra_info ()'; + } + elsif (index($gen_query_cmd, 'qThreadStopInfo') == 0) + { + # qThreadStopInfoXXXX + @_ = splice(@_, length('qThreadStopInfo')); + my $tid = get_addr(\@_); + printf('get_thread_stop_info ( thread = 0x%4.4x )', $tid); + } + elsif (index($gen_query_cmd, 'qSymbol:') == 0) + { + # qCRC:addr,length + print 'gdb_ready_to_serve_symbol_lookups ()'; + } + elsif (index($gen_query_cmd, 'qCRC:') == 0) + { + # qCRC:addr,length + @_ = splice(@_, length('qCRC:')); + my $address = get_addr(\@_); + shift @_; + my $length = join('', @_); + printf("compute_crc (addr = $addr_format, length = $length)", $address); + } + elsif (index($gen_query_cmd, 'qGetTLSAddr:') == 0) + { + # qGetTLSAddr:thread-id,offset,lm + @_ = splice(@_, length('qGetTLSAddr:')); + my ($tid, $offset, $lm) = split (/,/, join('', @_)); + print "get_thread_local_storage_addr (thread-id = $tid, offset = $offset, lm = $lm)"; + } + elsif ($gen_query_cmd eq 'qOffsets') + { + print 'get_section_offsets ()'; + } + elsif (index($gen_query_cmd, 'qRegisterInfo') == 0) + { + @_ = splice(@_, length('qRegisterInfo')); + my $reg = get_hex(\@_); + $reg == 0 and $registers_aref = []; + + printf "get_dynamic_register_info ($reg)"; + } + else + { + print $gen_query_cmd; + } + print "\n"; +} + +#---------------------------------------------------------------------- +# 'q' response +#---------------------------------------------------------------------- +sub dump_general_query_rsp +{ + my $gen_query_rsp = join('',@_); + + if ($gen_query_cmd eq 'qC' and index($gen_query_rsp, 'QC') == 0) + { + shift @_; shift @_; + my $pid = get_hex(\@_); + printf("get_current_pid () => $pid_format\n", $pid); + return; + } + elsif (index($gen_query_cmd, 'qRegisterInfo') == 0) + { + if (index($gen_query_rsp, 'name') == 0) + { + my @name_and_values = split (/;/, $gen_query_rsp); + + my $reg_name = undef; + my $byte_size = 0; + foreach (@name_and_values) + { + my ($name, $value) = split /:/; + if ($name eq "name") { $reg_name = $value; } + elsif ($name eq "bitsize") { $byte_size = $value / 8; last; } + } + if (defined $reg_name and $byte_size > 0) + { + if ($byte_size == 4) {push @$registers_aref, { name => $reg_name, info => $reg32_href };} + elsif ($byte_size == 8) {push @$registers_aref, { name => $reg_name, info => $reg64_href };} + elsif ($byte_size == 10) {push @$registers_aref, { name => $reg_name, info => $reg80_href };} + elsif ($byte_size == 12) {push @$registers_aref, { name => $reg_name, info => $float96_href };} + elsif ($byte_size == 16) {push @$registers_aref, { name => $reg_name, info => $reg128_href };} + } + } + else + { + calculate_max_register_name_length(); + } + } + elsif ($gen_query_cmd =~ 'qThreadStopInfo') + { + dump_stop_reply_packet (@_); + } + if (dump_standard_response(\@_)) + { + # Do nothing... + } + else + { + print join('',@_) . "\n"; + } +} + +#---------------------------------------------------------------------- +# 'Q' command +#---------------------------------------------------------------------- +our $gen_set_cmd; +sub dump_general_set_cmd +{ + $gen_query_cmd = join('',@_); + if ($gen_query_cmd eq 'QStartNoAckMode') + { + print "StartNoAckMode ()" + } + elsif ($gen_query_cmd eq 'QThreadSuffixSupported') + { + $thread_suffix_supported = 1; + print "ThreadSuffixSupported ()" + } + elsif (index($gen_query_cmd, 'QSetMaxPayloadSize:') == 0) + { + @_ = splice(@_, length('QSetMaxPayloadSize:')); + my $max_payload_size = get_hex(\@_); + # QSetMaxPayloadSize:XXXX where XXXX is a hex length of the max + # packet payload size supported by gdb + printf("SetMaxPayloadSize ( 0x%x (%u))", $max_payload_size, $max_payload_size); + } + else + { + print $gen_query_cmd; + } + print "\n"; +} + +#---------------------------------------------------------------------- +# 'k' command +#---------------------------------------------------------------------- +sub dump_kill_cmd +{ + my $cmd = shift; + print "kill (" . join('',@_) . ")\n"; +} + +#---------------------------------------------------------------------- +# 'g' command +#---------------------------------------------------------------------- +sub dump_read_regs_cmd +{ + my $cmd = shift; + print "read_registers ()\n"; +} + +#---------------------------------------------------------------------- +# 'G' command +#---------------------------------------------------------------------- +sub dump_write_regs_cmd +{ + print "write_registers:\n"; + my $cmd = shift; + foreach my $reg_href (@$registers_aref) + { + last if ($_[0] eq '#'); + my $reg_info_href = $reg_href->{info}; + my $reg_name = $reg_href->{name}; + my $reg_extract = $reg_info_href->{extract}; + my $reg_format = $reg_info_href->{format}; + my $reg_val = &$reg_extract(\@_); + printf("\t%*s = $reg_format\n", $max_register_name_len, $reg_name, $reg_val); + } +} + +sub dump_read_regs_rsp +{ + print "read_registers () =>\n"; + if (!is_error_response(@_)) + { + # print join('',@_) . "\n"; + foreach my $reg_href (@$registers_aref) + { + last if ($_[0] eq '#'); + my $reg_info_href = $reg_href->{info}; + my $reg_name = $reg_href->{name}; + my $reg_extract = $reg_info_href->{extract}; + my $reg_format = $reg_info_href->{format}; + my $reg_val = &$reg_extract(\@_); + printf("\t%*s = $reg_format\n", $max_register_name_len, $reg_name, $reg_val); + } + } +} + +sub dump_read_single_register_rsp +{ + dump_register_value(0, \@_, $reg_cmd_reg); + print "\n"; +} + +#---------------------------------------------------------------------- +# '_M' - allocate memory command (LLDB extension) +# +# Command: '_M' +# Arg1: Hex byte size as big endian hex string +# Separator: ',' +# Arg2: permissions as string that must be a string that contains any +# combination of 'r' (readable) 'w' (writable) or 'x' (executable) +# +# Returns: The address that was allocated as a big endian hex string +# on success, else an error "EXX" where XX are hex bytes +# that indicate an error code. +# +# Examples: +# _M10,rw # allocate 16 bytes with read + write permissions +# _M100,rx # allocate 256 bytes with read + execute permissions +#---------------------------------------------------------------------- +sub dump_allocate_memory_cmd +{ + shift; shift; # shift off the '_' and the 'M' + my $byte_size = get_addr(\@_); + shift; # Skip ',' + printf("allocate_memory ( byte_size = %u (0x%x), permissions = %s)\n", $byte_size, $byte_size, join('',@_)); +} + +sub dump_allocate_memory_rsp +{ + if (@_ == 3 and $_[0] == 'E') + { + printf("allocated memory addr = ERROR (%s))\n", join('',@_)); + } + else + { + printf("allocated memory addr = 0x%s\n", join('',@_)); + } +} + + +#---------------------------------------------------------------------- +# '_m' - deallocate memory command (LLDB extension) +# +# Command: '_m' +# Arg1: Hex address as big endian hex string +# +# Returns: "OK" on success "EXX" on error +# +# Examples: +# _m201000 # Free previously allocated memory at address 0x201000 +#---------------------------------------------------------------------- +sub dump_deallocate_memory_cmd +{ + shift; shift; # shift off the '_' and the 'm' + printf("deallocate_memory ( addr = 0x%s)\n", join('',@_)); +} + + +#---------------------------------------------------------------------- +# 'p' command +#---------------------------------------------------------------------- +sub dump_read_single_register_cmd +{ + my $cmd = shift; + $reg_cmd_reg = get_hex(\@_); + my $thread = get_thread_from_thread_suffix (\@_); + if (defined $thread) + { + print "read_register ( reg = \"$$registers_aref[$reg_cmd_reg]->{name}\", thread = $thread )\n"; + } + else + { + print "read_register ( reg = \"$$registers_aref[$reg_cmd_reg]->{name}\" )\n"; + } +} + + +#---------------------------------------------------------------------- +# 'P' command +#---------------------------------------------------------------------- +sub dump_write_single_register_cmd +{ + my $cmd = shift; + my $reg_num = get_hex(\@_); + shift (@_); # Discard the '=' + + print "write_register ( "; + dump_register_value(0, \@_, $reg_num); + my $thread = get_thread_from_thread_suffix (\@_); + if (defined $thread) + { + print ", thread = $thread"; + } + print " )\n"; +} + +#---------------------------------------------------------------------- +# 'm' command +#---------------------------------------------------------------------- +our $read_mem_address = 0; +sub dump_read_mem_cmd +{ + my $cmd = shift; + $read_mem_address = get_addr(\@_); + shift; # Skip ',' + printf("read_mem ( $addr_format, %s )\n", $read_mem_address, join('',@_)); +} + +#---------------------------------------------------------------------- +# 'm' response +#---------------------------------------------------------------------- +sub dump_read_mem_rsp +{ + # If the memory read was 2 or 4 bytes, print it out in native format + # instead of just as bytes. + my $num_nibbles = @_; + if ($num_nibbles == 2) + { + printf(" 0x%2.2x", get8(\@_)); + } + elsif ($num_nibbles == 4) + { + printf(" 0x%4.4x", get16(\@_)); + } + elsif ($num_nibbles == 8) + { + printf(" 0x%8.8x", get32(\@_)); + } + elsif ($num_nibbles == 16) + { + printf(" 0x%s", get64(\@_)); + } + else + { + my $curr_address = $read_mem_address; + my $nibble; + my $nibble_offset = 0; + my $max_nibbles_per_line = 2 * $max_bytes_per_line; + foreach $nibble (@_) + { + if (($nibble_offset % $max_nibbles_per_line) == 0) + { + ($nibble_offset > 0) and print "\n "; + printf("$addr_format: ", $curr_address + $nibble_offset/2); + } + (($nibble_offset % 2) == 0) and print ' '; + print $nibble; + $nibble_offset++; + } + } + print "\n"; +} + +#---------------------------------------------------------------------- +# 'c' command +#---------------------------------------------------------------------- +sub dump_continue_cmd +{ + my $cmd = shift; + my $address = -1; + if (@_) + { + my $address = get_addr(\@_); + printf("continue ($addr_format)\n", $address); + } + else + { + printf("continue ()\n"); + } +} + +#---------------------------------------------------------------------- +# 'Css' continue (C) with signal (ss where 'ss' is two hex digits) +#---------------------------------------------------------------------- +sub dump_continue_with_signal_cmd +{ + my $cmd = shift; + my $address = -1; + my $signal = get_hex(\@_); + if (@_) + { + my $address = 0; + if (@_ && $_[0] == ';') + { + shift; + $address = get_addr(\@_); + } + } + + if ($address != -1) + { + printf("continue_with_signal (signal = 0x%2.2x, address = $addr_format)\n", $signal, $address); + } + else + { + printf("continue_with_signal (signal = 0x%2.2x)\n", $signal); + } +} + +#---------------------------------------------------------------------- +# 'A' command +#---------------------------------------------------------------------- +sub dump_A_command +{ + my $cmd = get_exptected_char(\@_, 'A') or print "error: incorrect command letter for argument packet, exptected 'A'\n"; + printf("set_program_arguments (\n"); + do + { + my $arg_len = get_uint(\@_); + get_exptected_char(\@_, ',') or die "error: missing comma after argument length...?\n"; + my $arg_idx = get_uint(\@_); + get_exptected_char(\@_, ',') or die "error: missing comma after argument number...?\n"; + + my $arg = ''; + my $num_hex8_bytes = $arg_len/2; + for (1 .. $num_hex8_bytes) + { + $arg .= sprintf("%c", get8(\@_)) + } + printf(" <%3u> argv[%u] = '%s'\n", $arg_len, $arg_idx, $arg); + if (@_ > 0) + { + get_exptected_char(\@_, ',') or die "error: missing comma after argument argument ASCII hex bytes...?\n"; + } + } while (@_ > 0); + printf(" )\n"); +} + + +#---------------------------------------------------------------------- +# 'z' and 'Z' command +#---------------------------------------------------------------------- +sub dump_bp_wp_command +{ + my $cmd = shift; + my $type = shift; + shift; # Skip ',' + my $address = get_addr(\@_); + shift; # Skip ',' + my $length = join('',@_); + if ($cmd eq 'z') + { + printf("remove $point_types[$type]($addr_format, %d)\n", $address, $length); + } + else + { + printf("insert $point_types[$type]($addr_format, %d)\n", $address, $length); + } +} + + +#---------------------------------------------------------------------- +# 'X' command +#---------------------------------------------------------------------- +sub dump_write_mem_binary_cmd +{ + my $cmd = shift; + my $address = get_addr(\@_); + shift; # Skip ',' + + my ($length, $binary) = split(/:/, join('',@_)); + printf("write_mem_binary ( $addr_format, %d, %s)\n", $address, $length, $binary); + +} + +#---------------------------------------------------------------------- +# 'M' command +#---------------------------------------------------------------------- +sub dump_write_mem_cmd +{ + my $cmd = shift; + my $address = get_addr(\@_); + shift; # Skip ',' + my ($length, $hex_bytes) = split(/:/, join('',@_)); +# printf("write_mem ( $addr_format, %d, %s)\n", $address, $length, $hex_bytes); + printf("write_mem ( addr = $addr_format, len = %d (0x%x), bytes = ", $address, $length, $length); + splice(@_, 0, length($length)+1); + + my $curr_address = $address; + my $nibble; + my $nibble_count = 0; + my $max_nibbles_per_line = 2 * $max_bytes_per_line; + foreach $nibble (@_) + { + (($nibble_count % 2) == 0) and print ' '; + print $nibble; + $nibble_count++; + } + + # If the memory to write is 2 or 4 bytes, print it out in native format + # instead of just as bytes. + if (@_ == 4) + { + printf(" ( 0x%4.4x )", get16(\@_)); + } + elsif (@_ == 8) + { + printf(" ( 0x%8.8x )", get32(\@_)); + } + print " )\n"; + +} + +#---------------------------------------------------------------------- +# 'v' command +#---------------------------------------------------------------------- +our $extended_rsp_callback = 0; +sub dump_extended_cmd +{ + $extended_rsp_callback = 0; + if (join('', @_[0..4]) eq "vCont") + { + dump_extended_continue_cmd(splice(@_,5)); + } + elsif (join('', @_[0..11]) eq 'vAttachWait;') + { + dump_attach_wait_command (splice(@_,12)); + } +} + +#---------------------------------------------------------------------- +# 'v' response +#---------------------------------------------------------------------- +sub dump_extended_rsp +{ + if ($extended_rsp_callback) + { + &$extended_rsp_callback(@_); + } + $extended_rsp_callback = 0; +} + +#---------------------------------------------------------------------- +# 'vAttachWait' command +#---------------------------------------------------------------------- +sub dump_attach_wait_command +{ +# print "dump_extended_continue_cmd ( "; +# dump_chars(@_); +# print " )\n"; + print "attach_wait ( "; + while (@_) + { + printf("%c", get8(\@_)) + } + printf " )\n"; + +} + +#---------------------------------------------------------------------- +# 'vCont' command +#---------------------------------------------------------------------- +sub dump_extended_continue_cmd +{ +# print "dump_extended_continue_cmd ( "; +# dump_chars(@_); +# print " )\n"; + print "extended_continue ( "; + my $cmd = shift; + if ($cmd eq '?') + { + print "list supported modes )\n"; + $extended_rsp_callback = \&dump_extended_continue_rsp; + } + elsif ($cmd eq ';') + { + $extended_rsp_callback = \&dump_stop_reply_packet; + my $i = 0; + while ($#_ >= 0) + { + if ($i > 0) + { + print ", "; + } + my $continue_cmd = shift; + my $tmp; + if ($continue_cmd eq 'c') + { + print "continue"; + } + elsif ($continue_cmd eq 'C') + { + print "continue with signal "; + print shift; + print shift; + } + elsif ($continue_cmd eq 's') + { + print "step"; + } + elsif ($continue_cmd eq 'S') + { + print "step with signal "; + print shift; + print shift; + } + + if ($_[0] eq ':') + { + shift; # Skip ':' + print " for thread "; + while ($#_ >= 0) + { + $tmp = shift; + if (length($tmp) > 0 && $tmp ne ';') { + print $tmp; + } else { + last; + } + } + } + $i++; + } + + printf " )\n"; + } +} + +#---------------------------------------------------------------------- +# 'vCont' response +#---------------------------------------------------------------------- +sub dump_extended_continue_rsp +{ + print "extended_continue ( " . join('',@_) . " )\n"; +} + +#---------------------------------------------------------------------- +# Dump the command ascii for any unknown commands +#---------------------------------------------------------------------- +sub dump_other_cmd +{ + print "other = " . join('',@_) . "\n"; +} + +#---------------------------------------------------------------------- +# Check to see if the response was unsupported with appropriate checksum +#---------------------------------------------------------------------- +sub rsp_is_unsupported +{ + return join('',@_) eq "#00"; +} + +#---------------------------------------------------------------------- +# Check to see if the response was "OK" with appropriate checksum +#---------------------------------------------------------------------- +sub rsp_is_OK +{ + return join('',@_) eq "OK#9a"; +} + +#---------------------------------------------------------------------- +# Dump a response for an unknown command +#---------------------------------------------------------------------- +sub dump_other_rsp +{ + print "other = " . join('',@_) . "\n"; +} + +#---------------------------------------------------------------------- +# Get a byte from the ascii string assuming that the 2 nibble ascii +# characters are in hex. +# +# The argument for this function needs to be a reference to an array +# that contains single character strings and the array will get +# updated by shifting characters off the front of it (no leading # "0x") +#---------------------------------------------------------------------- +sub get8 +{ + my $arrayref = shift; + my $val = hex(shift(@$arrayref) . shift(@$arrayref)); + return $val; +} + +#---------------------------------------------------------------------- +# Get a 16 bit integer and swap if $swap global is set to a non-zero +# value. +# +# The argument for this function needs to be a reference to an array +# that contains single character strings and the array will get +# updated by shifting characters off the front of it (no leading # "0x") +#---------------------------------------------------------------------- +sub get16 +{ + my $arrayref = shift; + my $val = 0; + if ($swap) + { + $val = get8($arrayref) | + get8($arrayref) << 8; + } + else + { + $val = get8($arrayref) << 8 | + get8($arrayref) ; + } + return $val; +} + +#---------------------------------------------------------------------- +# Get a 32 bit integer and swap if $swap global is set to a non-zero +# value. +# +# The argument for this function needs to be a reference to an array +# that contains single character strings and the array will get +# updated by shifting characters off the front of it (no leading # "0x") +#---------------------------------------------------------------------- +sub get32 +{ + my $arrayref = shift; + my $val = 0; + if ($swap) + { + $val = get8($arrayref) | + get8($arrayref) << 8 | + get8($arrayref) << 16 | + get8($arrayref) << 24 ; + } + else + { + $val = get8($arrayref) << 24 | + get8($arrayref) << 16 | + get8($arrayref) << 8 | + get8($arrayref) ; + } + return $val; +} + +#---------------------------------------------------------------------- +# Get a 64 bit hex value as a string +# +# The argument for this function needs to be a reference to an array +# that contains single character strings and the array will get +# updated by shifting characters off the front of it (no leading # "0x") +#---------------------------------------------------------------------- +sub get64 +{ + my $arrayref = shift; + my $val = ''; + my @nibbles; + if ($swap) + { + push @nibbles, splice(@$arrayref, 14, 2); + push @nibbles, splice(@$arrayref, 12, 2); + push @nibbles, splice(@$arrayref, 10, 2); + push @nibbles, splice(@$arrayref, 8, 2); + push @nibbles, splice(@$arrayref, 6, 2); + push @nibbles, splice(@$arrayref, 4, 2); + push @nibbles, splice(@$arrayref, 2, 2); + push @nibbles, splice(@$arrayref, 0, 2); + } + else + { + (@nibbles) = splice(@$arrayref, 0, 24); + } + $val = join('', @nibbles); + return $val; +} + +#---------------------------------------------------------------------- +# Get a 80 bit hex value as a string +# +# The argument for this function needs to be a reference to an array +# that contains single character strings and the array will get +# updated by shifting characters off the front of it (no leading # "0x") +#---------------------------------------------------------------------- +sub get80 +{ + my $arrayref = shift; + my $val = ''; + my @nibbles; + if ($swap) + { + push @nibbles, splice(@$arrayref, 18, 2); + push @nibbles, splice(@$arrayref, 16, 2); + push @nibbles, splice(@$arrayref, 14, 2); + push @nibbles, splice(@$arrayref, 12, 2); + push @nibbles, splice(@$arrayref, 10, 2); + push @nibbles, splice(@$arrayref, 8, 2); + push @nibbles, splice(@$arrayref, 6, 2); + push @nibbles, splice(@$arrayref, 4, 2); + push @nibbles, splice(@$arrayref, 2, 2); + push @nibbles, splice(@$arrayref, 0, 2); + } + else + { + (@nibbles) = splice(@$arrayref, 0, 24); + } + $val = join('', @nibbles); + return $val; +} + +#---------------------------------------------------------------------- +# Get a 96 bit hex value as a string +# +# The argument for this function needs to be a reference to an array +# that contains single character strings and the array will get +# updated by shifting characters off the front of it (no leading # "0x") +#---------------------------------------------------------------------- +sub get96 +{ + my $arrayref = shift; + my $val = ''; + my @nibbles; + if ($swap) + { + push @nibbles, splice(@$arrayref, 22, 2); + push @nibbles, splice(@$arrayref, 20, 2); + push @nibbles, splice(@$arrayref, 18, 2); + push @nibbles, splice(@$arrayref, 16, 2); + push @nibbles, splice(@$arrayref, 14, 2); + push @nibbles, splice(@$arrayref, 12, 2); + push @nibbles, splice(@$arrayref, 10, 2); + push @nibbles, splice(@$arrayref, 8, 2); + push @nibbles, splice(@$arrayref, 6, 2); + push @nibbles, splice(@$arrayref, 4, 2); + push @nibbles, splice(@$arrayref, 2, 2); + push @nibbles, splice(@$arrayref, 0, 2); + } + else + { + (@nibbles) = splice(@$arrayref, 0, 24); + } + $val = join('', @nibbles); + return $val; +} + +#---------------------------------------------------------------------- +# Get a 128 bit hex value as a string +# +# The argument for this function needs to be a reference to an array +# that contains single character strings and the array will get +# updated by shifting characters off the front of it (no leading # "0x") +#---------------------------------------------------------------------- +sub get128 +{ + my $arrayref = shift; + my $val = ''; + my @nibbles; + if ($swap) + { + push @nibbles, splice(@$arrayref, 30, 2); + push @nibbles, splice(@$arrayref, 28, 2); + push @nibbles, splice(@$arrayref, 26, 2); + push @nibbles, splice(@$arrayref, 24, 2); + push @nibbles, splice(@$arrayref, 22, 2); + push @nibbles, splice(@$arrayref, 20, 2); + push @nibbles, splice(@$arrayref, 18, 2); + push @nibbles, splice(@$arrayref, 16, 2); + push @nibbles, splice(@$arrayref, 14, 2); + push @nibbles, splice(@$arrayref, 12, 2); + push @nibbles, splice(@$arrayref, 10, 2); + push @nibbles, splice(@$arrayref, 8, 2); + push @nibbles, splice(@$arrayref, 6, 2); + push @nibbles, splice(@$arrayref, 4, 2); + push @nibbles, splice(@$arrayref, 2, 2); + push @nibbles, splice(@$arrayref, 0, 2); + } + else + { + (@nibbles) = splice(@$arrayref, 0, 24); + } + $val = join('', @nibbles); + return $val; +} + +#---------------------------------------------------------------------- +# Get a an unsigned integer value by grabbing items off the front of +# the array stopping when a non-digit char string is encountered. +# +# The argument for this function needs to be a reference to an array +# that contains single character strings and the array will get +# updated by shifting characters off the front of it +#---------------------------------------------------------------------- +sub get_uint +{ + my $arrayref = shift; + @$arrayref == 0 and return 0; + my $val = 0; + while ($$arrayref[0] =~ /[0-9]/) + { + $val = $val * 10 + int(shift(@$arrayref)); + } + return $val; +} + +#---------------------------------------------------------------------- +# Check the first character in the array and if it matches the expected +# character, return that character, else return undef; +# +# The argument for this function needs to be a reference to an array +# that contains single character strings and the array will get +# updated by shifting characters off the front of it. If the expected +# character doesn't match, it won't touch the array. If the first +# character does match, it will shift it off and return it. +#---------------------------------------------------------------------- +sub get_exptected_char +{ + my $arrayref = shift; + my $expected_char = shift; + if ($expected_char eq $$arrayref[0]) + { + return shift(@$arrayref); + } + return undef; +} +#---------------------------------------------------------------------- +# Get a hex value by grabbing items off the front of the array and +# stopping when a non-hex char string is encountered. +# +# The argument for this function needs to be a reference to an array +# that contains single character strings and the array will get +# updated by shifting characters off the front of it (no leading # "0x") +#---------------------------------------------------------------------- +sub get_hex +{ + my $arrayref = shift; + my $my_swap = @_ ? shift : 0; + my $shift = 0; + my $val = 0; + while ($$arrayref[0] =~ /[0-9a-fA-F]/) + { + if ($my_swap) + { + my $byte = hex(shift(@$arrayref)) << 4 | hex(shift(@$arrayref)); + $val |= $byte << $shift; + $shift += 8; + } + else + { + $val <<= 4; + $val |= hex(shift(@$arrayref)); + } + } + return $val; +} + +#---------------------------------------------------------------------- +# Get an address value by grabbing items off the front of the array. +# +# The argument for this function needs to be a reference to an array +# that contains single character strings and the array will get +# updated by shifting characters off the front of it (no leading # "0x") +#---------------------------------------------------------------------- +sub get_addr +{ + get_hex(shift); +} + +sub dump_stop_reply_data +{ + while ($#_ >= 0) + { + last unless ($_[0] ne '#'); + + + my $key = ''; + my $value = ''; + if ($_[0] =~ /[0-9a-fA-F]/ && $_[1] =~ /[0-9a-fA-F]/) + { + my $reg_num = get8(\@_); + shift(@_); # Skip ':' + if (defined ($registers_aref) && $reg_num < @$registers_aref) + { + dump_register_value(1, \@_, $reg_num); + print "\n"; + shift(@_); # Skip ';' + next; + } + $key = sprintf("reg %u", $reg_num); + } + my $char; + + if (length($key) == 0) + { + while (1) + { + $char = shift(@_); + if (length($char) == 0 or $char eq ':' or $char eq '#') { last; } + $key .= $char; + } + } + + while (1) + { + $char = shift(@_); + if (length($char) == 0 or $char eq ';' or $char eq '#') { last; } + $value .= $char; + } + printf("\t%*s = %s\n", $max_register_name_len, $key, $value); + } +} + +#---------------------------------------------------------------------- +# Dumps a Stop Reply Packet which happens in response to a step, +# continue, last signal, and probably a few other commands. +#---------------------------------------------------------------------- +sub dump_stop_reply_packet +{ + my $what = shift(@_); + if ($what eq 'S') + { + print 'signal ( 0x' . shift(@_) . shift(@_) . " )\n"; + } + elsif ($what eq 'T') + { + print 'signal ( 0x' . shift(@_) . shift(@_) . " )\n"; + dump_stop_reply_data (@_); + } + elsif ($what eq 'W') + { + print 'process_exited( ' . shift(@_) . shift(@_) . " )\n"; + } + elsif ($what eq 'X') + { + print 'process_terminated( ' . shift(@_) . shift(@_) . " )\n"; + } + elsif ($what eq 'O') + { + my $console_output = ''; + my $num_hex8_bytes = @_/2; + for (1 .. $num_hex8_bytes) + { + $console_output .= sprintf("%c", get8(\@_)) + } + + print "program_console_output('$console_output')\n"; + } +} + +#---------------------------------------------------------------------- +# '?' command +#---------------------------------------------------------------------- +sub dump_last_signal_cmd +{ + my $cmd = shift; + print 'last_signal (' . join('',@_) . ")\n"; +} + +sub dump_raw_command +{ + my $cmd_aref = shift; + my $callback_ref; + $curr_cmd = $$cmd_aref[0]; + $curr_cmd eq '_' and $curr_cmd .= $$cmd_aref[1]; + + $callback_ref = $cmd_callbacks{$curr_cmd}; + if ($callback_ref) + { + &$callback_ref(@$cmd_aref); + } + else + { + # Strip the command byte for responses since we injected that above + dump_other_cmd(@$cmd_aref); + } +} + +sub dump_standard_response +{ + my $cmd_aref = shift; + + if (@$cmd_aref == 0) + { + print "$unsupported_str\n"; + return 1; + } + + my $response = join('', @$cmd_aref); + if ($response eq 'OK') + { + print "$success_str\n"; + return 1; + } + + if (index($response, 'E') == 0) + { + print "ERROR: " . substr($response, 1) . "\n"; + return 1; + } + + return 0; +} +sub dump_raw_response +{ + my $cmd_aref = shift; + my $callback_ref; + + $callback_ref = $rsp_callbacks{$curr_cmd}; + + if ($callback_ref) + { + &$callback_ref(@$cmd_aref); + } + else + { + dump_standard_response($cmd_aref) or dump_other_rsp(@$cmd_aref); + } + +} +#---------------------------------------------------------------------- +# Dumps any command and handles simple error checking on the responses +# for commands that are unsupported or OK. +#---------------------------------------------------------------------- +sub dump_command +{ + my $cmd_str = shift; + + # Dump the original command string if verbose is on + if ($opt_v) + { + print "dump_command($cmd_str)\n "; + } + + my @cmd_chars = extract_command($cmd_str); + my $is_cmd = 1; + + my $cmd = $cmd_chars[0]; + if ($cmd eq '$') + { + $is_cmd = 0; # Note that this is a reply + $cmd = $curr_cmd; # set the command byte appropriately + shift @cmd_chars; # remove the '$' from the cmd bytes + } + + # Check for common responses across all commands and handle them + # if we can + if ( $is_cmd == 0 ) + { + if (rsp_is_unsupported(@cmd_chars)) + { + print "$unsupported_str\n"; + return; + } + elsif (rsp_is_OK(@cmd_chars)) + { + print "$success_str\n"; + return; + } + # Strip the checksum information for responses + strip_checksum(\@cmd_chars); + } + + my $callback_ref; + if ($is_cmd) { + $callback_ref = $cmd_callbacks{$cmd}; + } else { + $callback_ref = $rsp_callbacks{$cmd}; + } + + if ($callback_ref) + { + &$callback_ref(@cmd_chars); + } + else + { + # Strip the command byte for responses since we injected that above + if ($is_cmd) { + dump_other_cmd(@cmd_chars); + } else { + dump_other_rsp(@cmd_chars); + } + + } +} + + +#---------------------------------------------------------------------- +# Process a gdbserver log line by looking for getpkt and putkpt and +# tossing any other lines. +#---------------------------------------------------------------------- +sub process_log_line +{ + my $line = shift; + #($opt_v and $opt_g) and print "# $line"; + my $extract_cmd = 0; + if ($line =~ /getpkt /) + { + $extract_cmd = 1; + print "\n--> "; + } + elsif ($line =~ /putpkt /) + { + $extract_cmd = 1; + print "<-- "; + } + elsif ($line =~ /.*Sent: \[[0-9]+\.[0-9]+[:0-9]*\] (.*)/) + { + $opt_g and print "maintenance dump-packets command: $1\n"; + my @raw_cmd_bytes = split(/ */, $1); + print "\n--> "; + dump_raw_command(\@raw_cmd_bytes); + process_log_line($2); + } + elsif ($line =~ /.*Recvd: \[[0-9]+\.[0-9]+[:0-9]*\] (.*)/) + { + $opt_g and print "maintenance dump-packets reply: $1\n"; + my @raw_rsp_bytes = split(/ */, $1); + print "<-- "; + dump_raw_response(\@raw_rsp_bytes); + print "\n"; + } + elsif ($line =~ /getpkt: (.*)/) + { + if ($1 =~ /\$([^#]+)#[0-9a-fA-F]{2}/) + { + $opt_g and print "command: $1\n"; + my @raw_cmd_bytes = split(/ */, $1); + print "--> "; + dump_raw_command(\@raw_cmd_bytes); + } + elsif ($1 =~ /\+/) + { + #print "--> ACK\n"; + } + elsif ($1 =~ /-/) + { + #print "--> NACK\n"; + } + } + elsif ($line =~ /putpkt: (.*)/) + { + if ($1 =~ /\$([^#]+)#[0-9a-fA-F]{2}/) + { + $opt_g and print "response: $1\n"; + my @raw_rsp_bytes = split(/ */, $1); + print "<-- "; + dump_raw_response(\@raw_rsp_bytes); + print "\n"; + } + elsif ($1 =~ /\+/) + { + #print "<-- ACK\n"; + } + elsif ($1 =~ /-/) + { + #print "<-- NACK\n"; + } + } + elsif ($line =~ /send packet: (.*)/) + { + if ($1 =~ /\$([^#]+)#[0-9a-fA-F]{2}/) + { + $opt_g and print "command: $1\n"; + my @raw_cmd_bytes = split(/ */, $1); + print "--> "; + dump_raw_command(\@raw_cmd_bytes); + } + elsif ($1 =~ /\+/) + { + #print "--> ACK\n"; + } + elsif ($1 =~ /-/) + { + #print "--> NACK\n"; + } + } + elsif ($line =~ /read packet: (.*)/) + { + if ($1 =~ /\$([^#]+)#[0-9a-fA-F]{2}/) + { + $opt_g and print "response: $1\n"; + my @raw_rsp_bytes = split(/ */, $1); + print "<-- "; + dump_raw_response(\@raw_rsp_bytes); + print "\n"; + } + elsif ($1 =~ /\+/) + { + #print "<-- ACK\n"; + } + elsif ($1 =~ /-/) + { + #print "<-- NACK\n"; + } + } + elsif ($line =~ /Sending packet: \$([^#]+)#[0-9a-fA-F]{2}\.\.\.(.*)/) + { + $opt_g and print "command: $1\n"; + my @raw_cmd_bytes = split(/ */, $1); + print "\n--> "; + dump_raw_command(\@raw_cmd_bytes); + process_log_line($2); + } + elsif ($line =~ /Packet received: (.*)/) + { + $opt_g and print "response: $1\n"; + my @raw_rsp_bytes = split(/ */, $1); + print "<-- "; + dump_raw_response(\@raw_rsp_bytes); + print "\n"; + } + + if ($extract_cmd) + { + my $beg = index($line, '("') + 2; + my $end = rindex($line, '");'); + dump_command(substr($line, $beg, $end - $beg)); + } +} + + +our $line_num = 0; +while(<>) +{ + $line_num++; + $opt_q or printf("# %5d: $_", $line_num); + process_log_line($_); +} + + + + + +