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disasm-gdb-remote.pl
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#!/usr/bin/env perl
use strict;
#----------------------------------------------------------------------
# Globals
#----------------------------------------------------------------------
our $unimplemented_str = "UNIMPLEMENTED";
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 $reg256_href = { extract => \&get256, 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 $curr_full_cmd = undef;
our %packet_times;
our $curr_time = 0.0;
our $last_time = 0.0;
our $base_time = 0.0;
our $packet_start_time = 0.0;
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 },
],
'arm-lldb' => [
{ 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 => '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 => 'd0' , info => $float64_href },
{ name => 'd1' , info => $float64_href },
{ name => 'd2' , info => $float64_href },
{ name => 'd3' , info => $float64_href },
{ name => 'd4' , info => $float64_href },
{ name => 'd5' , info => $float64_href },
{ name => 'd6' , info => $float64_href },
{ name => 'd7' , info => $float64_href },
{ name => 'd8' , info => $float64_href },
{ name => 'd9' , info => $float64_href },
{ name => 'd10' , info => $float64_href },
{ name => 'd11' , info => $float64_href },
{ name => 'd12' , info => $float64_href },
{ name => 'd13' , info => $float64_href },
{ name => 'd14' , info => $float64_href },
{ name => 'd15' , info => $float64_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 },
{ name => 'fpscr' , info => $reg32_href },
{ name => 'exc' , info => $reg32_href },
{ name => 'fsr' , info => $reg32_href },
{ name => 'far' , info => $reg32_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))
{
if (exists $reg_map{$opt_r})
{
$registers_aref = $reg_map{$opt_r};
}
else
{
die "Can't get registers group for '$opt_r'\n";
}
}
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,
's' => \&dump_continue_cmd,
'C' => \&dump_continue_with_signal_cmd,
'S' => \&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,
's' => \&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);
return;
}
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;
our $qRegisterInfo_reg_num = -1;
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'));
$qRegisterInfo_reg_num = get_hex(\@_);
printf "get_dynamic_register_info ($qRegisterInfo_reg_num)";
}
else
{
print $gen_query_cmd;
}
print "\n";
}
#----------------------------------------------------------------------
# 'q' response
#----------------------------------------------------------------------
sub dump_general_query_rsp
{
my $gen_query_rsp = join('',@_);
my $gen_query_rsp_len = length ($gen_query_rsp);
if ($gen_query_cmd eq 'qC' and index($gen_query_rsp, 'QC') == 0)
{
shift @_; shift @_;
my $pid = get_hex(\@_);
printf("pid = $pid_format\n", $pid);
return;
}
elsif (index($gen_query_cmd, 'qRegisterInfo') == 0)
{
if ($gen_query_rsp_len == 0)
{
print "$unimplemented_str\n";
}
else
{
if (index($gen_query_rsp, 'name') == 0)
{
$qRegisterInfo_reg_num == 0 and $registers_aref = [];
my @name_and_values = split (/;/, $gen_query_rsp);
my $reg_name = undef;
my $byte_size = 0;
my $pseudo = 0;
foreach (@name_and_values)
{
my ($name, $value) = split /:/;
if ($name eq "name") { $reg_name = $value; }
elsif ($name eq "bitsize") { $byte_size = $value / 8; }
elsif ($name eq "container-regs") { $pseudo = 1; }
}
if (defined $reg_name and $byte_size > 0)
{
if ($byte_size == 4) {push @$registers_aref, { name => $reg_name, info => $reg32_href , pseudo => $pseudo };}
elsif ($byte_size == 8) {push @$registers_aref, { name => $reg_name, info => $reg64_href , pseudo => $pseudo };}
elsif ($byte_size == 1) {push @$registers_aref, { name => $reg_name, info => $reg8_href , pseudo => $pseudo };}
elsif ($byte_size == 2) {push @$registers_aref, { name => $reg_name, info => $reg16_href , pseudo => $pseudo };}
elsif ($byte_size == 10) {push @$registers_aref, { name => $reg_name, info => $reg80_href , pseudo => $pseudo };}
elsif ($byte_size == 12) {push @$registers_aref, { name => $reg_name, info => $float96_href , pseudo => $pseudo };}
elsif ($byte_size == 16) {push @$registers_aref, { name => $reg_name, info => $reg128_href , pseudo => $pseudo };}
elsif ($byte_size == 32) {push @$registers_aref, { name => $reg_name, info => $reg256_href , pseudo => $pseudo };}
}
}
elsif ($gen_query_rsp_len == 3 and index($gen_query_rsp, 'E') == 0)
{
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);
}
elsif (index ($gen_query_cmd, 'QSetSTDIN:') == 0)
{
@_ = splice(@_, length('QSetSTDIN:'));
printf ("SetSTDIN (path ='%s')\n", get_hex_string (\@_));
}
elsif (index ($gen_query_cmd, 'QSetSTDOUT:') == 0)
{
@_ = splice(@_, length('QSetSTDOUT:'));
printf ("SetSTDOUT (path ='%s')\n", get_hex_string (\@_));
}
elsif (index ($gen_query_cmd, 'QSetSTDERR:') == 0)
{
@_ = splice(@_, length('QSetSTDERR:'));
printf ("SetSTDERR (path ='%s')\n", get_hex_string (\@_));
}
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 '#');
if ($reg_href->{pseudo} == 0)
{
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 '#');
if ($reg_href->{pseudo} == 0)
{
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 (\@_);
my $reg_href = $$registers_aref[$reg_cmd_reg];
if (defined $thread)
{
print "read_register ( reg = \"$reg_href->{name}\", thread = $thread )\n";
}
else
{
print "read_register ( reg = \"$reg_href->{name}\" )\n";
}