diff options
Diffstat (limited to 'scripts/mod')
| -rw-r--r-- | scripts/mod/Makefile | 2 | ||||
| -rw-r--r-- | scripts/mod/devicetable-offsets.c | 4 | ||||
| -rw-r--r-- | scripts/mod/file2alias.c | 39 | ||||
| -rw-r--r-- | scripts/mod/modpost.c | 11 |
4 files changed, 44 insertions, 12 deletions
diff --git a/scripts/mod/Makefile b/scripts/mod/Makefile index 42c5d50f2bcc..a5b4af47987a 100644 --- a/scripts/mod/Makefile +++ b/scripts/mod/Makefile @@ -4,6 +4,8 @@ OBJECT_FILES_NON_STANDARD := y hostprogs-y := modpost mk_elfconfig always := $(hostprogs-y) empty.o +CFLAGS_REMOVE_empty.o := $(ASM_MACRO_FLAGS) + modpost-objs := modpost.o file2alias.o sumversion.o devicetable-offsets-file := devicetable-offsets.h diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-offsets.c index 6667f7b491d6..293004499b4d 100644 --- a/scripts/mod/devicetable-offsets.c +++ b/scripts/mod/devicetable-offsets.c @@ -221,5 +221,9 @@ int main(void) DEVID_FIELD(tb_service_id, protocol_version); DEVID_FIELD(tb_service_id, protocol_revision); + DEVID(typec_device_id); + DEVID_FIELD(typec_device_id, svid); + DEVID_FIELD(typec_device_id, mode); + return 0; } diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index 52fd54a8fe39..28a61665bb9c 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -95,12 +95,20 @@ extern struct devtable *__start___devtable[], *__stop___devtable[]; */ #define DEF_FIELD(m, devid, f) \ typeof(((struct devid *)0)->f) f = TO_NATIVE(*(typeof(f) *)((m) + OFF_##devid##_##f)) + +/* Define a variable v that holds the address of field f of struct devid + * based at address m. Due to the way typeof works, for a field of type + * T[N] the variable has type T(*)[N], _not_ T*. + */ +#define DEF_FIELD_ADDR_VAR(m, devid, f, v) \ + typeof(((struct devid *)0)->f) *v = ((m) + OFF_##devid##_##f) + /* Define a variable f that holds the address of field f of struct devid * based at address m. Due to the way typeof works, for a field of type * T[N] the variable has type T(*)[N], _not_ T*. */ #define DEF_FIELD_ADDR(m, devid, f) \ - typeof(((struct devid *)0)->f) *f = ((m) + OFF_##devid##_##f) + DEF_FIELD_ADDR_VAR(m, devid, f, f) /* Add a table entry. We test function type matches while we're here. */ #define ADD_TO_DEVTABLE(device_id, type, function) \ @@ -644,7 +652,7 @@ static void do_pnp_card_entries(void *symval, unsigned long size, for (i = 0; i < count; i++) { unsigned int j; - DEF_FIELD_ADDR(symval + i*id_size, pnp_card_device_id, devs); + DEF_FIELD_ADDR(symval + i * id_size, pnp_card_device_id, devs); for (j = 0; j < PNP_MAX_DEVICES; j++) { const char *id = (char *)(*devs)[j].id; @@ -656,10 +664,13 @@ static void do_pnp_card_entries(void *symval, unsigned long size, /* find duplicate, already added value */ for (i2 = 0; i2 < i && !dup; i2++) { - DEF_FIELD_ADDR(symval + i2*id_size, pnp_card_device_id, devs); + DEF_FIELD_ADDR_VAR(symval + i2 * id_size, + pnp_card_device_id, + devs, devs_dup); for (j2 = 0; j2 < PNP_MAX_DEVICES; j2++) { - const char *id2 = (char *)(*devs)[j2].id; + const char *id2 = + (char *)(*devs_dup)[j2].id; if (!id2[0]) break; @@ -1352,6 +1363,19 @@ static int do_tbsvc_entry(const char *filename, void *symval, char *alias) } ADD_TO_DEVTABLE("tbsvc", tb_service_id, do_tbsvc_entry); +/* Looks like: typec:idNmN */ +static int do_typec_entry(const char *filename, void *symval, char *alias) +{ + DEF_FIELD(symval, typec_device_id, svid); + DEF_FIELD(symval, typec_device_id, mode); + + sprintf(alias, "typec:id%04X", svid); + ADD(alias, "m", mode != TYPEC_ANY_MODE, mode); + + return 1; +} +ADD_TO_DEVTABLE("typec", typec_device_id, do_typec_entry); + /* Does namelen bytes of name exactly match the symbol? */ static bool sym_is(const char *name, unsigned namelen, const char *symbol) { @@ -1402,11 +1426,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info, if (ELF_ST_TYPE(sym->st_info) != STT_OBJECT) return; - /* All our symbols are of form <prefix>__mod_<name>__<identifier>_device_table. */ - name = strstr(symname, "__mod_"); - if (!name) + /* All our symbols are of form __mod_<name>__<identifier>_device_table. */ + if (strncmp(symname, "__mod_", strlen("__mod_"))) return; - name += strlen("__mod_"); + name = symname + strlen("__mod_"); namelen = strlen(name); if (namelen < strlen("_device_table")) return; diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 1663fb19343a..0d998c54564d 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -672,7 +672,7 @@ static void handle_modversions(struct module *mod, struct elf_info *info, if (ELF_ST_TYPE(sym->st_info) == STT_SPARC_REGISTER) break; if (symname[0] == '.') { - char *munged = strdup(symname); + char *munged = NOFAIL(strdup(symname)); munged[0] = '_'; munged[1] = toupper(munged[1]); symname = munged; @@ -1318,7 +1318,7 @@ static Elf_Sym *find_elf_symbol2(struct elf_info *elf, Elf_Addr addr, static char *sec2annotation(const char *s) { if (match(s, init_exit_sections)) { - char *p = malloc(20); + char *p = NOFAIL(malloc(20)); char *r = p; *p++ = '_'; @@ -1338,7 +1338,7 @@ static char *sec2annotation(const char *s) strcat(p, " "); return r; } else { - return strdup(""); + return NOFAIL(strdup("")); } } @@ -2036,7 +2036,7 @@ void buf_write(struct buffer *buf, const char *s, int len) { if (buf->size - buf->pos < len) { buf->size += len + SZ; - buf->p = realloc(buf->p, buf->size); + buf->p = NOFAIL(realloc(buf->p, buf->size)); } strncpy(buf->p + buf->pos, s, len); buf->pos += len; @@ -2125,10 +2125,13 @@ static int check_modname_len(struct module *mod) **/ static void add_header(struct buffer *b, struct module *mod) { + buf_printf(b, "#include <linux/build-salt.h>\n"); buf_printf(b, "#include <linux/module.h>\n"); buf_printf(b, "#include <linux/vermagic.h>\n"); buf_printf(b, "#include <linux/compiler.h>\n"); buf_printf(b, "\n"); + buf_printf(b, "BUILD_SALT;\n"); + buf_printf(b, "\n"); buf_printf(b, "MODULE_INFO(vermagic, VERMAGIC_STRING);\n"); buf_printf(b, "MODULE_INFO(name, KBUILD_MODNAME);\n"); buf_printf(b, "\n"); |