static void
maintenance_info_sections (char *arg, int from_tty)
{
if (exec_bfd)
{
printf_filtered (_("Exec file:\n"));
printf_filtered (" `%s', ", bfd_get_filename (exec_bfd));
wrap_here (" ");
printf_filtered (_("file type %s.\n"), bfd_get_target (exec_bfd));
if (arg && *arg && match_substring (arg, "ALLOBJ"))
{
struct objfile *ofile;
struct obj_section *osect;
/* Only this function cares about the 'ALLOBJ' argument;
if 'ALLOBJ' is the only argument, discard it rather than
passing it down to print_objfile_section_info (which
wouldn't know how to handle it). */
if (strcmp (arg, "ALLOBJ") == 0)
arg = NULL;
ALL_OBJFILES (ofile)
{
printf_filtered (_(" Object file: %s\n"),
bfd_get_filename (ofile->obfd));
ALL_OBJFILE_OSECTIONS (ofile, osect)
{
print_objfile_section_info (ofile->obfd, osect, arg);
}
}
}
else
static void
print_objfile_section_info(bfd *abfd, struct obj_section *asect,
const char *string)
{
flagword flags = bfd_get_section_flags(abfd, asect->the_bfd_section);
const char *name = bfd_section_name(abfd, asect->the_bfd_section);
if ((string == NULL) || (*string == '\0')
|| match_substring(string, name)
|| match_bfd_flags(string, flags))
{
maint_print_section_info(name, flags, asect->addr, asect->endaddr,
(unsigned long)asect->the_bfd_section->filepos);
}
}
static void
print_bfd_section_info(bfd *abfd, asection *asect, void *arg)
{
flagword flags = bfd_get_section_flags(abfd, asect);
const char *name = bfd_section_name(abfd, asect);
if ((arg == NULL) || (*((char *)arg) == '\0')
|| match_substring((char *)arg, name)
|| match_bfd_flags((char *)arg, flags))
{
CORE_ADDR addr, endaddr;
addr = bfd_section_vma(abfd, asect);
endaddr = (addr + bfd_section_size(abfd, asect));
maint_print_section_info(name, flags, addr, endaddr,
(unsigned long)asect->filepos);
}
}
static void
print_objfile_section_info (bfd *abfd,
struct obj_section *asect,
const char *string)
{
flagword flags = bfd_get_section_flags (abfd, asect->the_bfd_section);
const char *name = bfd_section_name (abfd, asect->the_bfd_section);
if (string == NULL || *string == '\0'
|| match_substring (string, name)
|| match_bfd_flags (string, flags))
{
struct gdbarch *gdbarch = gdbarch_from_bfd (abfd);
int addr_size = gdbarch_addr_bit (gdbarch) / 8;
maint_print_section_info (name, flags,
obj_section_addr (asect),
obj_section_endaddr (asect),
asect->the_bfd_section->filepos,
addr_size);
}
}
static void
print_bfd_section_info (bfd *abfd,
asection *asect,
void *arg)
{
flagword flags = bfd_get_section_flags (abfd, asect);
const char *name = bfd_section_name (abfd, asect);
if (arg == NULL || *((char *) arg) == '\0'
|| match_substring ((char *) arg, name)
|| match_bfd_flags ((char *) arg, flags))
{
struct gdbarch *gdbarch = gdbarch_from_bfd (abfd);
int addr_size = gdbarch_addr_bit (gdbarch) / 8;
CORE_ADDR addr, endaddr;
addr = bfd_section_vma (abfd, asect);
endaddr = addr + bfd_section_size (abfd, asect);
maint_print_section_info (name, flags, addr, endaddr,
asect->filepos, addr_size);
}
}
int main()
{
std::string s("aaabbbccd123456eeffgg");
std::smatch match;
// This one also works but matches more than is required
// std::regex braced_regex("(\\D+)(\\d{2,})(\\D+)");
std::regex braced_regex("([[:alpha:]]+?)(\\d+)([[:alpha:]]+?)");
std::regex plus_regex("(\\w+?)(\\d+)(\\w+?)");
auto printer = [](auto& match) {
std::ssub_match sub(match);
std::string match_substring(sub.str());
std::cout << match_substring << '\n';
};
std::regex_match(s, match, braced_regex);
std::cout << "Number of braced matches: " << match.size() << '\n';
std::for_each(match.begin(), match.end(), printer);
std::regex_match(s, match, plus_regex);
std::cout << "Number of plus matches: " << match.size() << '\n';
std::for_each(match.begin(), match.end(), printer);
return 0;
}
static int
match_bfd_flags (char *string, flagword flags)
{
if (flags & SEC_ALLOC)
if (match_substring (string, "ALLOC"))
return 1;
if (flags & SEC_LOAD)
if (match_substring (string, "LOAD"))
return 1;
if (flags & SEC_RELOC)
if (match_substring (string, "RELOC"))
return 1;
if (flags & SEC_READONLY)
if (match_substring (string, "READONLY"))
return 1;
if (flags & SEC_CODE)
if (match_substring (string, "CODE"))
return 1;
if (flags & SEC_DATA)
if (match_substring (string, "DATA"))
return 1;
if (flags & SEC_ROM)
if (match_substring (string, "ROM"))
return 1;
if (flags & SEC_CONSTRUCTOR)
if (match_substring (string, "CONSTRUCTOR"))
return 1;
if (flags & SEC_HAS_CONTENTS)
if (match_substring (string, "HAS_CONTENTS"))
return 1;
if (flags & SEC_NEVER_LOAD)
if (match_substring (string, "NEVER_LOAD"))
return 1;
if (flags & SEC_COFF_SHARED_LIBRARY)
if (match_substring (string, "COFF_SHARED_LIBRARY"))
return 1;
if (flags & SEC_IS_COMMON)
if (match_substring (string, "IS_COMMON"))
return 1;
return 0;
}