| Message ID | 20221216221703.294683-4-allenwebb@google.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Generate modules.builtin.alias from match ids | expand |
Le 16/12/2022 à 23:17, Allen Webb a écrit : > This adds an unimplemented command line flag for writing the built-in > aliases to a file. > > Signed-off-by: Allen Webb <allenwebb@google.com> > --- > scripts/mod/modpost.c | 23 +++++++++++++++++++++-- > scripts/mod/modpost.h | 1 + > 2 files changed, 22 insertions(+), 2 deletions(-) > > diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c > index 2c80da0220c32..845f157d69ebc 100644 > --- a/scripts/mod/modpost.c > +++ b/scripts/mod/modpost.c > @@ -2165,6 +2165,19 @@ static void write_if_changed(struct buffer *b, const char *fname) > write_buf(b, fname); > } > > +/* Write the builtin aliases to the specified file. */ > +static void write_builtin(const char *fname) > +{ > + struct buffer buf = { }; > + struct module *mod; > + > + list_for_each_entry(mod, &modules, list) { No { } for single line statements, see https://docs.kernel.org/process/coding-style.html#placing-braces-and-spaces > + buf_write(&buf, mod->modalias_buf.p, mod->modalias_buf.pos); > + } > + write_if_changed(&buf, fname); > + free(buf.p); > +} > + > static void write_vmlinux_export_c_file(struct module *mod) > { > struct buffer buf = { }; > @@ -2321,13 +2334,16 @@ int main(int argc, char **argv) > { > struct module *mod; > char *missing_namespace_deps = NULL; > - char *dump_write = NULL, *files_source = NULL; > + char *builtin_write = NULL, *dump_write = NULL, *files_source = NULL; > int opt; > LIST_HEAD(dump_lists); > struct dump_list *dl, *dl2; > > - while ((opt = getopt(argc, argv, "ei:mnT:o:awENd:")) != -1) { > + while ((opt = getopt(argc, argv, "b:ei:mnT:o:awENd:")) != -1) { > switch (opt) { > + case 'b': > + builtin_write = optarg; > + break; > case 'e': > external_module = true; > break; > @@ -2390,6 +2406,9 @@ int main(int argc, char **argv) > write_mod_c_file(mod); > } > > + if (builtin_write) > + write_builtin(builtin_write); > + > if (missing_namespace_deps) > write_namespace_deps_files(missing_namespace_deps); > > diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h > index 34fe5fc0b02cb..c55a6aeb46bfd 100644 > --- a/scripts/mod/modpost.h > +++ b/scripts/mod/modpost.h > @@ -123,6 +123,7 @@ struct module { > bool has_init; > bool has_cleanup; > struct buffer dev_table_buf; > + struct buffer modalias_buf; > char srcversion[25]; > // Missing namespace dependencies > struct list_head missing_namespaces;
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 2c80da0220c32..845f157d69ebc 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -2165,6 +2165,19 @@ static void write_if_changed(struct buffer *b, const char *fname) write_buf(b, fname); } +/* Write the builtin aliases to the specified file. */ +static void write_builtin(const char *fname) +{ + struct buffer buf = { }; + struct module *mod; + + list_for_each_entry(mod, &modules, list) { + buf_write(&buf, mod->modalias_buf.p, mod->modalias_buf.pos); + } + write_if_changed(&buf, fname); + free(buf.p); +} + static void write_vmlinux_export_c_file(struct module *mod) { struct buffer buf = { }; @@ -2321,13 +2334,16 @@ int main(int argc, char **argv) { struct module *mod; char *missing_namespace_deps = NULL; - char *dump_write = NULL, *files_source = NULL; + char *builtin_write = NULL, *dump_write = NULL, *files_source = NULL; int opt; LIST_HEAD(dump_lists); struct dump_list *dl, *dl2; - while ((opt = getopt(argc, argv, "ei:mnT:o:awENd:")) != -1) { + while ((opt = getopt(argc, argv, "b:ei:mnT:o:awENd:")) != -1) { switch (opt) { + case 'b': + builtin_write = optarg; + break; case 'e': external_module = true; break; @@ -2390,6 +2406,9 @@ int main(int argc, char **argv) write_mod_c_file(mod); } + if (builtin_write) + write_builtin(builtin_write); + if (missing_namespace_deps) write_namespace_deps_files(missing_namespace_deps); diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h index 34fe5fc0b02cb..c55a6aeb46bfd 100644 --- a/scripts/mod/modpost.h +++ b/scripts/mod/modpost.h @@ -123,6 +123,7 @@ struct module { bool has_init; bool has_cleanup; struct buffer dev_table_buf; + struct buffer modalias_buf; char srcversion[25]; // Missing namespace dependencies struct list_head missing_namespaces;
This adds an unimplemented command line flag for writing the built-in aliases to a file. Signed-off-by: Allen Webb <allenwebb@google.com> --- scripts/mod/modpost.c | 23 +++++++++++++++++++++-- scripts/mod/modpost.h | 1 + 2 files changed, 22 insertions(+), 2 deletions(-)