Adapting the stack-trace on Mac OS X. Got rid of a couple of nasty hacks
This commit is contained in:
Bernhard F.W. Gschaider
parent
74bc4eacdf
commit
bb2113dfc5
2 changed files with 103 additions and 130 deletions
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@ -4,27 +4,46 @@ import sys
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filename=sys.argv[1]
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address=sys.argv[2]
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import re
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from os import environ,path
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import subprocess
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fullFile=None
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if path.exists(filename):
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fullFile=filename
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p = subprocess.Popen("gdb -batch -x /dev/stdin",
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shell=True,
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bufsize=0,
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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close_fds=True)
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for v in ["PATH","LD_LIBRARY_PATH"]:
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if not fullFile:
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for d in environ[v].split(':'):
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if path.exists(path.join(d,filename)):
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fullFile=path.join(d,filename)
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break
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(child_stdin, child_stdout) = (p.stdin, p.stdout)
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child_stdin.write("set sharedlibrary preload-libraries no\n")
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child_stdin.write("file "+filename+"\n")
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child_stdin.write("info line *"+address+"\n")
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result=child_stdout.readline()
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if not fullFile:
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fullFile=filename
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answer="??:0"
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match=re.compile('Line (.+) of "(.+)" starts at').match(result)
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if match:
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answer=match.group(2)+":"+match.group(1)
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if path.exists(fullFile):
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import subprocess
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result=subprocess.Popen(["xcrun", "atos",
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"-o",fullFile,
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address],
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stdout=subprocess.PIPE
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).communicate()[0]
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match=re.compile('.+ \((.+)\) \((.+)\)').match(result)
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if match:
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answer=match.group(2)+" "+match.group(1)
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else:
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import os
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result=subprocess.Popen(["xcrun", "atos",
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"-p",str(os.getppid()),
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address],
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stdout=subprocess.PIPE
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).communicate()[0]
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match=re.compile('.+ \((.+)\) \((.+)\)').match(result)
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if match:
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answer=match.group(2)+" "+match.group(1)
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print answer,
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sys.exit(255)
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@ -31,10 +31,13 @@ License
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#include "readHexLabel.H"
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#include <cxxabi.h>
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#ifndef darwin
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#include <execinfo.h>
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#endif
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#include <dlfcn.h>
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#include <string.h>
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#ifdef darwin
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#include <mach-o/dyld.h>
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#endif
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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@ -126,14 +129,17 @@ void printSourceFileAndLine
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myAddress = nStream.str();
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}
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#ifndef darwin
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if (filename[0] == '/')
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#else
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if (1)
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#endif
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{
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string line = pOpen
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(
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#ifndef darwin
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"addr2line -f --demangle=auto --exe "
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#else
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// "gaddr2line -f --inline --demangle=auto --exe "
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"addr2line4Mac.py "
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#endif
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+ filename
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@ -153,7 +159,6 @@ void printSourceFileAndLine
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else
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{
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string cwdLine(line.replaceAll(cwd() + '/', ""));
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string homeLine(cwdLine.replaceAll(home(), '~'));
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os << " at " << homeLine.c_str();
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@ -161,102 +166,6 @@ void printSourceFileAndLine
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}
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}
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#ifdef darwin
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// Trying to emulate the original backtrace and backtrace_symbol from the glibc
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// After an idea published by Rush Manbert at http://lists.apple.com/archives/xcode-users/2006/Apr/msg00528.html
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template<int level>
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void *getStackAddress()
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{
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const unsigned int stackLevel=level;
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return (
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__builtin_frame_address(level)
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? __builtin_return_address(stackLevel)
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: (void *)0
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);
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};
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#define GET_STACK_ADDRESS(lvl) \
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case lvl: {return getStackAddress<lvl>(); break; }
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// please don't laugh. For some reason this is necessary (the compiler won't accept it otherwise)
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void *getStackAddress(int level)
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{
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switch(level) {
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GET_STACK_ADDRESS(0);
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GET_STACK_ADDRESS(1);
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GET_STACK_ADDRESS(2);
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GET_STACK_ADDRESS(3);
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GET_STACK_ADDRESS(4);
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GET_STACK_ADDRESS(5);
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GET_STACK_ADDRESS(6);
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GET_STACK_ADDRESS(7);
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GET_STACK_ADDRESS(8);
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GET_STACK_ADDRESS(9);
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GET_STACK_ADDRESS(10);
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GET_STACK_ADDRESS(11);
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GET_STACK_ADDRESS(12);
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GET_STACK_ADDRESS(13);
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GET_STACK_ADDRESS(14);
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GET_STACK_ADDRESS(15);
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GET_STACK_ADDRESS(16);
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GET_STACK_ADDRESS(17);
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GET_STACK_ADDRESS(18);
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GET_STACK_ADDRESS(19);
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GET_STACK_ADDRESS(20);
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GET_STACK_ADDRESS(21);
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default:
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return (void *)0;
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break;
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}
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}
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unsigned backtrace(void **bt, unsigned maxAddrs)
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{
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unsigned valid=0;
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bool ok=true;
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for(int level=0;level<maxAddrs;level++) {
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if(ok) {
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bt[level]=getStackAddress(level);
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if(bt[level]!=(void *)0) {
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valid=level;
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} else {
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ok=false;
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}
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} else {
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bt[level]=(void *)0;
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}
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}
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return valid;
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}
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// This function is a potential memory leak. But I don't care because the program is terminating anyway
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char **backtrace_symbols(void **bt,unsigned nr)
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{
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char **strings=(char **)malloc(sizeof(char *)*nr);
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for(unsigned i=0;i<nr;i++) {
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Dl_info info;
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int result=dladdr(bt[i],&info);
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char tmp[1000];
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#ifdef darwinIntel64
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sprintf(tmp,"%s(%s+%p) [%p]",info.dli_fname,info.dli_sname,(void *)((unsigned long)bt[i]-(unsigned long)info.dli_saddr),bt[i]);
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#else
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sprintf(tmp,"%s(%s+%p) [%p]",info.dli_fname,info.dli_sname,(void *)((unsigned int)bt[i]-(unsigned int)info.dli_saddr),bt[i]);
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#endif
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strings[i]=(char *)malloc(strlen(tmp)+1);
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strcpy(strings[i],tmp);
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}
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return strings;
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}
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#endif
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void getSymbolForRaw
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(
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@ -273,7 +182,6 @@ void getSymbolForRaw
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#ifndef darwin
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"addr2line -f --demangle=auto --exe "
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#else
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// "gaddr2line -f --inline --demangle=auto --exe "
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"addr2line4Mac.py "
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#endif
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+ filename
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@ -308,7 +216,7 @@ void error::printStack(Ostream& os)
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{
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IFstream is("/proc/" + name(pid()) + "/maps");
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while(is.good())
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while (is.good())
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{
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string line;
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is.getLine(line);
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@ -342,11 +250,12 @@ void error::printStack(Ostream& os)
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os << '#' << label(i) << " ";
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//os << "Raw : " << msg << "\n\t";
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#ifndef darwin
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{
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string::size_type lPos = msg.find('[');
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string::size_type rPos = msg.find(']');
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if (lPos != string::npos && rPos != string::npos && lPos<rPos)
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if (lPos != string::npos && rPos != string::npos && lPos < rPos)
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{
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address = msg.substr(lPos+1, rPos-lPos-1);
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msg = msg.substr(0, lPos);
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@ -371,7 +280,38 @@ void error::printStack(Ostream& os)
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}
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string::size_type bracketPos = msg.find('(');
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#else
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string::size_type counter=0;
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while(msg[counter]!=' ') {
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counter++;
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}
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while(msg[counter]==' ') {
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counter++;
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}
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string::size_type fileStart=counter;
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while(msg[counter]!=' ') {
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counter++;
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}
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programFile = msg.substr(fileStart,counter-fileStart);
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if(programFile=="???") {
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char path[1024];
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uint32_t size = sizeof(path);
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if (_NSGetExecutablePath(path, &size) == 0) {
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programFile=path;
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} else {
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programFile="unknownFile";
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}
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}
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while(msg[counter]==' ') {
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counter++;
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}
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string::size_type addrStart=counter;
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while(msg[counter]!=' ') {
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counter++;
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}
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address = msg.substr(addrStart,counter-addrStart);
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#endif
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#ifndef darwin
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if (bracketPos != string::npos)
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{
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string::size_type start = bracketPos+1;
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@ -381,7 +321,21 @@ void error::printStack(Ostream& os)
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if (plusPos != string::npos)
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{
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string cName(msg.substr(start, plusPos-start));
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#else
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if(1){
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while(msg[counter]==' ') {
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counter++;
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}
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string::size_type nameStart=counter;
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while(msg[counter]!=' ') {
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counter++;
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}
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string::size_type start = counter;
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if(1) {
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string cName(msg.substr(nameStart,counter-nameStart));
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#endif
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int status;
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char* cplusNamePtr = abi::__cxa_demangle
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(
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