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#include <ace/OS.h>
#include <ace/Log_Msg.h>
#include <ace/Process.h>
#include <ace/Pipe.h>
#include "Library.h"
#include "SO_Group.h"
ACE_RCSID(src, SO_Group, "$Id$")
SO_Group::SO_Group ()
: undef_wrapper_ ("nothing"),
undefs_(undef_wrapper_.imports()),
libs_ (0),
max_libs_ (30),
num_libs_(0)
{
libs_ = new Library*[max_libs_];
}
SO_Group::~SO_Group ()
{
for (int i = 0; i < num_libs_; delete libs_[i++]);
delete [] libs_;
}
void
SO_Group::add_executable (const char * path)
{
ACE_Process proc;
ACE_Process_Options opts;
ACE_HANDLE pipe[2];
ACE_Pipe io(pipe);
opts.set_handles (ACE_STDIN,pipe[1]);
ACE_ASSERT(opts.command_line ("ldd %s",path) == 0);
proc.spawn (opts);
if (ACE_OS::close(pipe[1]) == -1)
ACE_DEBUG ((LM_DEBUG, "%p\n", "close"));
opts.release_handles();
const int max_line_length = 1000;
char line[max_line_length];
while (1) {
ACE_OS::memset (line,0,max_line_length);
int len = 0;
int nread = 0;
int bogus = 0;
// skip initial whitespace
while ((nread = ACE_OS::read(pipe[0],line,1)) == 1 &&
(*line == ' ' || *line == '\t'));
if (nread != 1)
break;
// read the library name
len = 1;
while ((nread = ACE_OS::read(pipe[0],line + len,1)) == 1 &&
(line[len] != ' '))
if (! bogus && ++len == max_line_length)
{
bogus = 1;
break;
}
if (nread != 1 || bogus)
break;
line[len] = 0;
char * dot = ACE_OS::strchr (line,'.');
if (dot)
*dot = 0;
char * libname = line + 3; // skip over "lib"
// check to see if this is a new library
int found = 0;
for (int i = 0; !found && i < num_libs_; i++)
found = (libs_[i]->name() == libname);
if (!found) {
Library *nlib = new Library(libname);
ACE_OS::memset (line,0,max_line_length);
// skip over '=> '
if (ACE_OS::read(pipe[0],line,3) != 3)
break;
// get library path
len = 0;
while ((nread = ACE_OS::read(pipe[0],line + len,1)) == 1 &&
(line[len] != ' '))
if (! bogus && ++len == max_line_length)
{
bogus = 1;
break;
}
if (nread != 1 || bogus)
break;
line[len] = 0;
nlib->set_path (line);
libs_[num_libs_++] = nlib;
ACE_ASSERT (num_libs_ < max_libs_); // grow max libs?
}
// skip the rest of the line
while ((nread = ACE_OS::read(pipe[0],line,1)) == 1 && *line != '\n');
if (nread != 1)
break;
}
proc.wait ();
close (pipe[0]);
undef_wrapper_.add_source(path,1);
// now do the ldd, iterate over the results to add new libs, etc.
}
void
SO_Group::analize ()
{
for (int passcount = 0; undefs_.modified(); passcount++) {
ACE_DEBUG ((LM_DEBUG,"pass %d, undef count = %d\n",
passcount,undefs_.size()));
for (int i = 0; i < num_libs_; libs_[i++]->resolve(undefs_));
}
}
void
SO_Group::write_results()
{
for (int i = 0; i < num_libs_; libs_[i++]->write_export_list(1));
}
void
SO_Group::load_modules()
{
for (int i = 0; i < num_libs_; libs_[i++]->load_modules());
}
void
SO_Group::list_libs()
{
ACE_DEBUG ((LM_DEBUG,"Libs subject to analysis:\n"));
for (int i = 0; i < num_libs_; i++) {
if (libs_[i]->has_modules())
ACE_DEBUG ((LM_DEBUG," %s\n", libs_[i]->name().c_str()));
}
}
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