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compiler_vm: added trace() macro to trace function calls

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This commit is contained in:
Pragmatic Software 2012-02-03 17:54:52 +00:00
parent e2e54079ae
commit 56bd0e9101
3 changed files with 103 additions and 10 deletions
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4
PBot/VERSION.pm
View File

@ -13,8 +13,8 @@ use warnings;
# These are set automatically by the build/commit script
use constant {
BUILD_NAME => "PBot",
BUILD_REVISION => 355,
BUILD_DATE => "2012-02-02",
BUILD_REVISION => 356,
BUILD_DATE => "2012-02-03",
};
1;

98
modules/compiler_vm/compiler_watchdog.pl
View File

@ -7,7 +7,7 @@ use IPC::Open2;
my $stdin_input = join ' ', @ARGV;
my $debug = 0;
my $debug = 5;
my $watching = 0;
my $got_output = 0;
@ -27,11 +27,15 @@ sub execute {
my $ignore_response = 0;
next if not length $line;
next if $line =~ m/^\(gdb\) No line \d+ in file/;
<$out> and next if $line =~ m/^\(gdb\) No line \d+ in/;
next if $line =~ m/^\(gdb\) Continuing/;
next if $line =~ m/^\(gdb\) \$\d+ = "Ok\."/;
next if $line =~ m/^(\(gdb\) )?Breakpoint \d+ at 0x/;
next if $line =~ m/^\(gdb\) Breakpoint \d+ at 0x/;
next if $line =~ m/^\(gdb\) Note: breakpoint \d+ also set/;
next if $line =~ m/^(\(gdb\) )?Starting program/;
next if $line =~ m/PRETTY_FUNCTION__ =/;
next if $line =~ m/libc_start_main/;
if($line =~ m/^\d+: (.*? = .*)/) {
print "<$1>\n";
@ -61,7 +65,7 @@ sub execute {
} elsif($char eq '}') {
$bracket--;
if($bracket == 0) {
if($bracket == 0 and not $main_ended) {
$break = $line_number;
$main_ended = 1;
last;
@ -121,6 +125,7 @@ sub execute {
next;
}
if($line =~ m/Breakpoint \d+, gdb/) {
print $in "up\n";
$line = <$out>;
@ -130,6 +135,50 @@ sub execute {
next;
}
if($line =~ m/^Breakpoint \d+, (.*?) at/) {
my $func = $1;
my $direction = "entered";
my $return_value = "";
my $nextline = <$out>;
print "got bt nextline: <$nextline>\n" if $debug >= 5;
if($nextline =~ m/^\d+\s+}$/) {
$direction = "leaving";
print $in "finish\n";
while(my $retval = <$out>) {
chomp $retval;
print "got retval line: <$retval>\n" if $debug >= 5;
if($retval =~ m/Value returned is \$\d+ = (.*)/) {
$return_value = ", returned $1";
last;
}
}
}
my $indent = 0;
print $in "bt\n";
while(my $bt = <$out>) {
print "got bt: <$bt>\n" if $debug >= 5;
$bt =~ s/^\(gdb\) //;
if($bt =~ m/^#(\d+) .* main .* at prog/) {
$indent = $1;
last;
}
}
$indent++ if $direction eq "leaving";
print "<$direction [$indent]", ' ' x $indent, "$func$return_value>\n";
print $in "cont\n";
next;
}
if($line =~ m/^\d+\s+.*\btrace\((.*)\)/) {
$line = "1 gdb(\"break $1\");";
}
if($line =~ m/^\d+\s+.*\bwatch\((.*)\)/) {
$line = "1 gdb(\"watch $1\");";
}
@ -151,7 +200,44 @@ sub execute {
my ($cmd, $args) = split / /, $command, 2;
$args = "" if not defined $args;
#print "got command [$command]\n";
print "got command [$command]\n" if $debug >= 10;
if($cmd eq "break") {
$ignore_response = 1;
print $in "list $args,9001\n";
print $in "print \"Ok.\"\n";
my $break = 0;
my $bracket = 0;
my $func_ended = 0;
while(my $line = <$out>) {
chomp $line;
print "list break got: [$line]\n" if $debug >= 4;
if(not $func_ended and $line =~ m/^(\d+)\s+return(.*?);/) {
print "breaking at $1\n" if $debug >= 5;
print $in "break $1\n";
} else {
my ($line_number) = $line =~ m/^(\d+)/g;
while($line =~ m/(.)/g) {
my $char = $1;
if($char eq '{') {
$bracket++;
} elsif($char eq '}') {
$bracket--;
if($bracket == 0 and not $func_ended) {
print $in "break $line_number\n";
print "func ended, breaking at $line_number\n" if $debug >= 5;
$func_ended = 1;
last;
}
}
}
}
last if $line =~ m/^\(gdb\) \$\d+ = "Ok."/;
}
}
if($cmd eq "watch") {
print $in "display $args\n";
@ -276,10 +362,12 @@ sub execute {
while(my $line = <$out>) {
chomp $line;
$line =~ s/^\(gdb\)\s+//;
$line =~ s/main \(.*?\)/main ()/;
$line =~ s/main \(.*?\)/main ()/g;
print "signal got: [$line]\n" if $debug >= 5;
next if $line =~ m/__PRETTY_FUNCTION__ =/;
if($line =~ s/^(#\d+\s+)?0x[0-9A-Fa-f]+\s//) {
$line =~ s/\s+at .*:\d+//;
$line =~ s/\s+from \/lib.*//;

11
modules/compiler_vm/prelude.h
View File

@ -1,3 +1,4 @@
#if 1
#include <limits.h>
#include <wchar.h>
#include <stdio.h>
@ -86,10 +87,14 @@ __attribute__ (( constructor )) static void printf_binary_register(void)
register_printf_specifier('b', printf_binary_handler, printf_binary_arginfo);
}
#endif
#define STR(s) #s
#define REVEAL(s) STR(s)
void gdb() {}
#define dump(var) gdb("print " #var)
#define ptype(var) gdb("ptype " #var)
#define watch(var) gdb("watch " #var)
#define dump(expression) gdb("print " #expression)
#define print(expression) gdb("print " #expression)
#define ptype(expression) gdb("ptype " #expression)
#define trace(expression) gdb("break " #expression)
#define watch(expression) gdb("watch " #expression)