// layout.cc -- lay out output file sections for gold
-// Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012
+// Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
// Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
{
public:
Hash_task(const unsigned char* src,
- size_t size,
- unsigned char* dst,
- Task_token* build_id_blocker,
- Task_token* final_blocker)
+ size_t size,
+ unsigned char* dst,
+ Task_token* build_id_blocker,
+ Task_token* final_blocker)
: src_(src), size_(size), dst_(dst), build_id_blocker_(build_id_blocker),
final_blocker_(final_blocker)
{ }
// wind up in the .text section. Sections that start with these
// prefixes must appear first, and must appear in the order listed
// here.
- static const char* const text_section_sort[] =
+ static const char* const text_section_sort[] =
{
".text.unlikely",
".text.exit",
= this->section_segment_map_.find(Const_section_id(object, shndx));
if (it == this->section_segment_map_.end())
{
- os = this->choose_output_section(object, name, sh_type,
+ os = this->choose_output_section(object, name, sh_type,
shdr.get_sh_flags(), true,
ORDER_INVALID, false);
}
Layout::insert_section_segment_map(Const_section_id secn,
Unique_segment_info *s)
{
- gold_assert(this->unique_segment_for_sections_specified_);
+ gold_assert(this->unique_segment_for_sections_specified_);
this->section_segment_map_[secn] = s;
}
if (!os->is_unique_segment())
{
for (p = this->segment_list_.begin();
- p != this->segment_list_.end();
+ p != this->segment_list_.end();
++p)
{
- if ((*p)->type() != elfcpp::PT_LOAD)
- continue;
- if ((*p)->is_unique_segment())
- continue;
- if (!parameters->options().omagic()
- && ((*p)->flags() & elfcpp::PF_W) != (seg_flags & elfcpp::PF_W))
- continue;
- if ((target->isolate_execinstr() || parameters->options().rosegment())
- && ((*p)->flags() & elfcpp::PF_X) != (seg_flags & elfcpp::PF_X))
- continue;
- // If -Tbss was specified, we need to separate the data and BSS
- // segments.
- if (parameters->options().user_set_Tbss())
- {
- if ((os->type() == elfcpp::SHT_NOBITS)
- == (*p)->has_any_data_sections())
- continue;
- }
- if (os->is_large_data_section() && !(*p)->is_large_data_segment())
- continue;
-
- if (is_address_set)
- {
- if ((*p)->are_addresses_set())
- continue;
-
- (*p)->add_initial_output_data(os);
- (*p)->update_flags_for_output_section(seg_flags);
- (*p)->set_addresses(addr, addr);
- break;
- }
-
- (*p)->add_output_section_to_load(this, os, seg_flags);
- break;
- }
+ if ((*p)->type() != elfcpp::PT_LOAD)
+ continue;
+ if ((*p)->is_unique_segment())
+ continue;
+ if (!parameters->options().omagic()
+ && ((*p)->flags() & elfcpp::PF_W) != (seg_flags & elfcpp::PF_W))
+ continue;
+ if ((target->isolate_execinstr() || parameters->options().rosegment())
+ && ((*p)->flags() & elfcpp::PF_X) != (seg_flags & elfcpp::PF_X))
+ continue;
+ // If -Tbss was specified, we need to separate the data and BSS
+ // segments.
+ if (parameters->options().user_set_Tbss())
+ {
+ if ((os->type() == elfcpp::SHT_NOBITS)
+ == (*p)->has_any_data_sections())
+ continue;
+ }
+ if (os->is_large_data_section() && !(*p)->is_large_data_segment())
+ continue;
+
+ if (is_address_set)
+ {
+ if ((*p)->are_addresses_set())
+ continue;
+
+ (*p)->add_initial_output_data(os);
+ (*p)->update_flags_for_output_section(seg_flags);
+ (*p)->set_addresses(addr, addr);
+ break;
+ }
+
+ (*p)->add_output_section_to_load(this, os, seg_flags);
+ break;
+ }
}
if (p == this->segment_list_.end()
// If the target wants a fixed minimum distance from the
// text segment to the read-only segment, move up now.
- uint64_t min_addr = start_addr + target->rosegment_gap();
+ uint64_t min_addr =
+ start_addr + (parameters->options().user_set_rosegment_gap()
+ ? parameters->options().rosegment_gap()
+ : target->rosegment_gap());
if (addr < min_addr)
addr = min_addr;
Task_token*
Layout::queue_build_id_tasks(Workqueue* workqueue, Task_token* build_id_blocker,
- Output_file* of)
+ Output_file* of)
{
const size_t filesize = (this->output_file_size() <= 0 ? 0
- : static_cast<size_t>(this->output_file_size()));
+ : static_cast<size_t>(this->output_file_size()));
if (this->build_id_note_ != NULL
&& strcmp(parameters->options().build_id(), "tree") == 0
&& parameters->options().build_id_chunk_size_for_treehash() > 0
&& filesize > 0
&& (filesize >=
- parameters->options().build_id_min_file_size_for_treehash()))
+ parameters->options().build_id_min_file_size_for_treehash()))
{
static const size_t MD5_OUTPUT_SIZE_IN_BYTES = 16;
const size_t chunk_size =
- parameters->options().build_id_chunk_size_for_treehash();
+ parameters->options().build_id_chunk_size_for_treehash();
const size_t num_hashes = ((filesize - 1) / chunk_size) + 1;
Task_token* post_hash_tasks_blocker = new Task_token(true);
post_hash_tasks_blocker->add_blockers(num_hashes);
unsigned char *dst = new unsigned char[this->size_of_array_of_hashes_];
this->array_of_hashes_ = dst;
for (size_t i = 0, src_offset = 0; i < num_hashes;
- i++, dst += MD5_OUTPUT_SIZE_IN_BYTES, src_offset += chunk_size)
- {
- size_t size = std::min(chunk_size, filesize - src_offset);
- workqueue->queue(new Hash_task(src + src_offset,
- size,
- dst,
- build_id_blocker,
- post_hash_tasks_blocker));
- }
+ i++, dst += MD5_OUTPUT_SIZE_IN_BYTES, src_offset += chunk_size)
+ {
+ size_t size = std::min(chunk_size, filesize - src_offset);
+ workqueue->queue(new Hash_task(src + src_offset,
+ size,
+ dst,
+ build_id_blocker,
+ post_hash_tasks_blocker));
+ }
return post_hash_tasks_blocker;
}
return build_id_blocker;
return;
unsigned char* ov = of->get_output_view(this->build_id_note_->offset(),
- this->build_id_note_->data_size());
+ this->build_id_note_->data_size());
if (this->array_of_hashes_ == NULL)
{
// If we get here with style == "tree" then the output must be
// too small for chunking, and we use SHA-1 in that case.
if ((strcmp(style, "sha1") == 0) || (strcmp(style, "tree") == 0))
- sha1_buffer(reinterpret_cast<const char*>(iv), output_file_size, ov);
+ sha1_buffer(reinterpret_cast<const char*>(iv), output_file_size, ov);
else if (strcmp(style, "md5") == 0)
- md5_buffer(reinterpret_cast<const char*>(iv), output_file_size, ov);
+ md5_buffer(reinterpret_cast<const char*>(iv), output_file_size, ov);
else
- gold_unreachable();
+ gold_unreachable();
of->free_input_view(0, output_file_size, iv);
}
// Non-overlapping substrings of the output file have been hashed.
// Compute SHA-1 hash of the hashes.
sha1_buffer(reinterpret_cast<const char*>(this->array_of_hashes_),
- this->size_of_array_of_hashes_, ov);
+ this->size_of_array_of_hashes_, ov);
delete[] this->array_of_hashes_;
of->free_input_view(0, this->output_file_size(), this->input_view_);
}
// options.c -- handle command line options for gold
-// Copyright 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+// Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2013
+// Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
{
len += printf("-%c", this->shortname);
if (this->helparg)
- {
- // -z takes long-names only.
- gold_assert(this->dashes != DASH_Z);
- len += printf(" %s", gettext(this->helparg));
- }
+ {
+ // -z takes long-names only.
+ gold_assert(this->dashes != DASH_Z);
+ len += printf(" %s", gettext(this->helparg));
+ }
comma = true;
}
if (!this->longname.empty()
&& this->longname[1] == '\0'))
{
if (comma)
- len += printf(", ");
+ len += printf(", ");
switch (this->dashes)
- {
- case options::ONE_DASH: case options::EXACTLY_ONE_DASH:
- len += printf("-");
- break;
- case options::TWO_DASHES: case options::EXACTLY_TWO_DASHES:
- len += printf("--");
- break;
- case options::DASH_Z:
- len += printf("-z ");
- break;
- default:
- gold_unreachable();
- }
+ {
+ case options::ONE_DASH: case options::EXACTLY_ONE_DASH:
+ len += printf("-");
+ break;
+ case options::TWO_DASHES: case options::EXACTLY_TWO_DASHES:
+ len += printf("--");
+ break;
+ case options::DASH_Z:
+ len += printf("-z ");
+ break;
+ default:
+ gold_unreachable();
+ }
len += printf("%s", this->longname.c_str());
if (this->helparg)
- {
- // For most options, we print "--frob FOO". But for -z
- // we print "-z frob=FOO".
- len += printf("%c%s", this->dashes == options::DASH_Z ? '=' : ' ',
- gettext(this->helparg));
- }
+ {
+ // For most options, we print "--frob FOO". But for -z
+ // we print "-z frob=FOO".
+ len += printf("%c%s", this->dashes == options::DASH_Z ? '=' : ' ',
+ gettext(this->helparg));
+ }
}
if (len >= 30)
*retval = strtol(arg, &endptr, 0);
if (*endptr != '\0' || *retval < 0)
gold_fatal(_("%s: invalid option value (expected an integer): %s"),
- option_name, arg);
+ option_name, arg);
}
void
*retval = strtol(arg, &endptr, 0);
if (*endptr != '\0')
gold_fatal(_("%s: invalid option value (expected an integer): %s"),
- option_name, arg);
+ option_name, arg);
}
void
*retval = strtoull(arg, &endptr, 0);
if (*endptr != '\0')
gold_fatal(_("%s: invalid option value (expected an integer): %s"),
- option_name, arg);
+ option_name, arg);
}
void
void
parse_choices(const char* option_name, const char* arg, const char** retval,
- const char* choices[], int num_choices)
+ const char* choices[], int num_choices)
{
for (int i = 0; i < num_choices; i++)
if (strcmp(choices[i], arg) == 0)
{
- *retval = arg;
- return;
+ *retval = arg;
+ return;
}
// If we get here, the user did not enter a valid choice, so we die.
{
choices_list += choices[i];
if (i != num_choices - 1)
- choices_list += ", ";
+ choices_list += ", ";
}
gold_fatal(_("%s: must take one of the following arguments: %s"),
- option_name, choices_list.c_str());
+ option_name, choices_list.c_str());
}
} // End namespace options.
void
General_options::parse_defsym(const char*, const char* arg,
- Command_line* cmdline)
+ Command_line* cmdline)
{
cmdline->script_options().define_symbol(arg);
}
void
General_options::parse_incremental(const char*, const char*,
- Command_line*)
+ Command_line*)
{
this->incremental_mode_ = INCREMENTAL_AUTO;
}
void
General_options::parse_no_incremental(const char*, const char*,
- Command_line*)
+ Command_line*)
{
this->incremental_mode_ = INCREMENTAL_OFF;
}
void
General_options::parse_incremental_changed(const char*, const char*,
- Command_line*)
+ Command_line*)
{
this->implicit_incremental_ = true;
this->incremental_disposition_ = INCREMENTAL_CHANGED;
void
General_options::parse_incremental_unchanged(const char*, const char*,
- Command_line*)
+ Command_line*)
{
this->implicit_incremental_ = true;
this->incremental_disposition_ = INCREMENTAL_UNCHANGED;
void
General_options::parse_incremental_unknown(const char*, const char*,
- Command_line*)
+ Command_line*)
{
this->implicit_incremental_ = true;
this->incremental_disposition_ = INCREMENTAL_CHECK;
void
General_options::parse_library(const char*, const char* arg,
- Command_line* cmdline)
+ Command_line* cmdline)
{
Input_file_argument::Input_file_type type;
const char* name;
#ifdef ENABLE_PLUGINS
void
General_options::parse_plugin(const char*, const char* arg,
- Command_line*)
+ Command_line*)
{
this->add_plugin(arg);
}
void
General_options::parse_plugin_opt(const char*, const char* arg,
- Command_line*)
+ Command_line*)
{
this->add_plugin_option(arg);
}
void
General_options::parse_R(const char* option, const char* arg,
- Command_line* cmdline)
+ Command_line* cmdline)
{
struct stat s;
if (::stat(arg, &s) != 0 || S_ISDIR(s.st_mode))
void
General_options::parse_just_symbols(const char*, const char* arg,
- Command_line* cmdline)
+ Command_line* cmdline)
{
Input_file_argument file(arg, Input_file_argument::INPUT_FILE_TYPE_FILE,
"", true, *this);
void
General_options::parse_script(const char*, const char* arg,
- Command_line* cmdline)
+ Command_line* cmdline)
{
if (!read_commandline_script(arg, cmdline))
gold::gold_fatal(_("unable to parse script file %s"), arg);
void
General_options::parse_version_script(const char*, const char* arg,
- Command_line* cmdline)
+ Command_line* cmdline)
{
if (!read_version_script(arg, cmdline))
gold::gold_fatal(_("unable to parse version script file %s"), arg);
void
General_options::parse_dynamic_list(const char*, const char* arg,
- Command_line* cmdline)
+ Command_line* cmdline)
{
if (!read_dynamic_list(arg, cmdline, &this->dynamic_list_))
gold::gold_fatal(_("unable to parse dynamic-list script file %s"), arg);
void
General_options::parse_start_group(const char*, const char*,
- Command_line* cmdline)
+ Command_line* cmdline)
{
cmdline->inputs().start_group();
}
void
General_options::parse_end_group(const char*, const char*,
- Command_line* cmdline)
+ Command_line* cmdline)
{
cmdline->inputs().end_group();
}
void
General_options::parse_start_lib(const char*, const char*,
- Command_line* cmdline)
+ Command_line* cmdline)
{
cmdline->inputs().start_lib(cmdline->position_dependent_options());
}
void
General_options::parse_end_lib(const char*, const char*,
- Command_line* cmdline)
+ Command_line* cmdline)
{
cmdline->inputs().end_lib();
}
void
General_options::parse_exclude_libs(const char*, const char* arg,
- Command_line*)
+ Command_line*)
{
const char* p = arg;
else
{
gold::gold_error(_("format '%s' not supported; treating as elf "
- "(supported formats: elf, binary)"),
- arg);
+ "(supported formats: elf, binary)"),
+ arg);
return gold::General_options::OBJECT_FORMAT_ELF;
}
}
void
General_options::parse_fix_v4bx(const char*, const char*,
- Command_line*)
+ Command_line*)
{
this->fix_v4bx_ = FIX_V4BX_REPLACE;
}
usage()
{
fprintf(stderr,
- _("%s: use the --help option for usage information\n"),
- gold::program_name);
+ _("%s: use the --help option for usage information\n"),
+ gold::program_name);
::exit(EXIT_FAILURE);
}
usage(const char* msg, const char* opt)
{
fprintf(stderr,
- _("%s: %s: %s\n"),
- gold::program_name, opt, msg);
+ _("%s: %s: %s\n"),
+ gold::program_name, opt, msg);
usage();
}
get_relative_sysroot(const char* from)
{
char* path = make_relative_prefix(gold::program_name, from,
- TARGET_SYSTEM_ROOT);
+ TARGET_SYSTEM_ROOT);
if (path != NULL)
{
struct stat s;
if (::stat(path, &s) == 0 && S_ISDIR(s.st_mode))
- return path;
+ return path;
free(path);
}
{
char* path = get_relative_sysroot(BINDIR);
if (path == NULL)
- path = get_relative_sysroot(TOOLBINDIR);
+ path = get_relative_sysroot(TOOLBINDIR);
if (path != NULL)
- return path;
+ return path;
}
return sysroot;
// NOTE: it is safe for argv and arg to point to the same place.
gold::options::One_option*
parse_long_option(int argc, const char** argv, bool equals_only,
- const char** arg, int* i)
+ const char** arg, int* i)
{
const char* const this_argv = argv[*i];
const char* equals = strchr(this_argv, '=');
const char* option_start = this_argv + strspn(this_argv, "-");
std::string option(option_start,
- equals ? equals - option_start : strlen(option_start));
+ equals ? equals - option_start : strlen(option_start));
gold::options::Option_map::iterator it
= gold::options::long_options->find(option);
if (this_argv[0] != '-') // no dashes at all: had better be "-z <longopt>"
{
if (retval->dashes != gold::options::DASH_Z)
- return NULL;
+ return NULL;
}
else if (this_argv[1] != '-') // one dash
{
if (retval->dashes != gold::options::ONE_DASH
- && retval->dashes != gold::options::EXACTLY_ONE_DASH
- && retval->dashes != gold::options::TWO_DASHES)
- return NULL;
+ && retval->dashes != gold::options::EXACTLY_ONE_DASH
+ && retval->dashes != gold::options::TWO_DASHES)
+ return NULL;
}
else // two dashes (or more!)
{
if (retval->dashes != gold::options::TWO_DASHES
- && retval->dashes != gold::options::EXACTLY_TWO_DASHES
- && retval->dashes != gold::options::ONE_DASH)
- return NULL;
+ && retval->dashes != gold::options::EXACTLY_TWO_DASHES
+ && retval->dashes != gold::options::ONE_DASH)
+ return NULL;
}
// Now that we know the option is good (or else bad in a way that
if (!retval->takes_argument())
{
if (equals)
- usage(_("unexpected argument"), this_argv);
+ usage(_("unexpected argument"), this_argv);
else
- *arg = NULL;
+ *arg = NULL;
}
else
{
if (equals)
- *arg = equals + 1;
+ *arg = equals + 1;
else if (retval->takes_optional_argument())
*arg = retval->default_value;
else if (*i < argc && !equals_only)
- *arg = argv[(*i)++];
+ *arg = argv[(*i)++];
else
- usage(_("missing argument"), this_argv);
+ usage(_("missing argument"), this_argv);
}
return retval;
// another short option in the same word.
gold::options::One_option*
parse_short_option(int argc, const char** argv, int pos_in_argv_i,
- const char** arg, int* i)
+ const char** arg, int* i)
{
const char* const this_argv = argv[*i];
// We handle -z as a special case.
static gold::options::One_option dash_z("", gold::options::DASH_Z,
- 'z', "", NULL, "Z-OPTION", false,
+ 'z', "", NULL, "Z-OPTION", false,
NULL);
gold::options::One_option* retval = NULL;
if (this_argv[pos_in_argv_i] == 'z')
{
const int char_as_int = static_cast<int>(this_argv[pos_in_argv_i]);
if (char_as_int > 0 && char_as_int < 128)
- retval = gold::options::short_options[char_as_int];
+ retval = gold::options::short_options[char_as_int];
}
if (retval == NULL)
*arg = NULL;
// We only advance past this argument if it's the only one in argv.
if (this_argv[pos_in_argv_i + 1] == '\0')
- ++(*i);
+ ++(*i);
}
else
{
// If we take an argument, we'll eat up this entire argv entry.
++(*i);
if (this_argv[pos_in_argv_i + 1] != '\0')
- *arg = this_argv + pos_in_argv_i + 1;
+ *arg = this_argv + pos_in_argv_i + 1;
else if (retval->takes_optional_argument())
*arg = retval->default_value;
else if (*i < argc)
- *arg = argv[(*i)++];
+ *arg = argv[(*i)++];
else
- usage(_("missing argument"), this_argv);
+ usage(_("missing argument"), this_argv);
}
// If we're a -z option, we need to parse our argument as a
const char* dash_z_arg = *arg;
retval = parse_long_option(1, arg, true, arg, &dummy_i);
if (retval == NULL)
- usage(_("unknown -z option"), dash_z_arg);
+ usage(_("unknown -z option"), dash_z_arg);
}
return retval;
{
this->set_sysroot(get_default_sysroot());
if (this->sysroot() == NULL || this->sysroot()[0] == '\0')
- return;
+ return;
}
char* canonical_sysroot = lrealpath(this->sysroot());
if (this->thread_count() > 0 || this->thread_count_initial() > 0
|| this->thread_count_middle() > 0 || this->thread_count_final() > 0)
gold_warning(_("ignoring --thread-count: "
- "%s was compiled without thread support"),
- program_name);
+ "%s was compiled without thread support"),
+ program_name);
#endif
std::string libpath;
std::ifstream in;
in.open(this->retain_symbols_file());
if (!in)
- gold_fatal(_("unable to open -retain-symbols-file file %s: %s"),
- this->retain_symbols_file(), strerror(errno));
+ gold_fatal(_("unable to open -retain-symbols-file file %s: %s"),
+ this->retain_symbols_file(), strerror(errno));
std::string line;
std::getline(in, line); // this chops off the trailing \n, if any
while (in)
- {
- if (!line.empty() && line[line.length() - 1] == '\r') // Windows
- line.resize(line.length() - 1);
- this->symbols_to_retain_.insert(line);
- std::getline(in, line);
- }
+ {
+ if (!line.empty() && line[line.length() - 1] == '\r') // Windows
+ line.resize(line.length() - 1);
+ this->symbols_to_retain_.insert(line);
+ std::getline(in, line);
+ }
}
// -Bgroup implies --unresolved-symbols=report-all.
if (this->implicit_incremental_ && this->incremental_mode_ == INCREMENTAL_OFF)
gold_fatal(_("Options --incremental-changed, --incremental-unchanged, "
- "--incremental-unknown require the use of --incremental"));
+ "--incremental-unknown require the use of --incremental"));
// Check for options that are not compatible with incremental linking.
// Where an option can be disabled without seriously changing the semantics
}
}
+ // --rosegment-gap implies --rosegment.
+ if (this->user_set_rosegment_gap())
+ this->set_rosegment(true);
+
// FIXME: we can/should be doing a lot more sanity checking here.
}
void
Search_directory::add_sysroot(const char* sysroot,
- const char* canonical_sysroot)
+ const char* canonical_sysroot)
{
gold_assert(*sysroot != '\0');
if (this->put_in_sysroot_)
{
if (!IS_DIR_SEPARATOR(this->name_[0])
- && !IS_DIR_SEPARATOR(sysroot[strlen(sysroot) - 1]))
- this->name_ = '/' + this->name_;
+ && !IS_DIR_SEPARATOR(sysroot[strlen(sysroot) - 1]))
+ this->name_ = '/' + this->name_;
this->name_ = sysroot + this->name_;
this->is_in_sysroot_ = true;
}
int canonical_name_len = strlen(canonical_name);
int canonical_sysroot_len = strlen(canonical_sysroot);
if (canonical_name_len > canonical_sysroot_len
- && IS_DIR_SEPARATOR(canonical_name[canonical_sysroot_len]))
- {
- canonical_name[canonical_sysroot_len] = '\0';
- if (FILENAME_CMP(canonical_name, canonical_sysroot) == 0)
- this->is_in_sysroot_ = true;
- }
+ && IS_DIR_SEPARATOR(canonical_name[canonical_sysroot_len]))
+ {
+ canonical_name[canonical_sysroot_len] = '\0';
+ if (FILENAME_CMP(canonical_name, canonical_sysroot) == 0)
+ this->is_in_sysroot_ = true;
+ }
free(canonical_name);
}
}
int
Command_line::process_one_option(int argc, const char** argv, int i,
- bool* no_more_options)
+ bool* no_more_options)
{
gold_assert(argv[i][0] == '-' && !(*no_more_options));
{
option = parse_short_option(argc, argv, pos_in_argv_i, &arg, &new_i);
if (!option)
- break;
+ break;
option->reader->parse_to_value(argv[i], arg, this, &this->options_);
++pos_in_argv_i;
}
{
this->position_options_.copy_from_options(this->options());
if (no_more_options || argv[i][0] != '-')
- {
+ {
Input_file_argument file(argv[i],
Input_file_argument::INPUT_FILE_TYPE_FILE,
"", false, this->position_options_);
- this->inputs_.add_file(file);
- ++i;
- }
+ this->inputs_.add_file(file);
+ ++i;
+ }
else
- i = process_one_option(argc, argv, i, &no_more_options);
+ i = process_one_option(argc, argv, i, &no_more_options);
}
if (this->inputs_.in_group())
projects / binutils-gdb.git / commitdiff