diff options
| -rw-r--r-- | Documentation/make/headers_install.txt | 5 | ||||
| -rw-r--r-- | Makefile | 1 | ||||
| -rw-r--r-- | include/linux/Kbuild | 9 | ||||
| -rw-r--r-- | kernel/Makefile | 2 | ||||
| -rw-r--r-- | scripts/basic/fixdep.c | 119 | ||||
| -rwxr-xr-x | scripts/checksyscalls.sh | 4 | ||||
| -rw-r--r-- | scripts/genksyms/parse.c_shipped | 2 | ||||
| -rw-r--r-- | scripts/genksyms/parse.y | 2 | ||||
| -rwxr-xr-x | scripts/headers.sh | 2 | ||||
| -rw-r--r-- | scripts/headers_install.pl | 7 | ||||
| -rwxr-xr-x | scripts/mkuboot.sh | 2 | ||||
| -rw-r--r-- | scripts/mod/modpost.c | 3 | ||||
| -rw-r--r-- | usr/gen_init_cpio.c | 20 |
13 files changed, 108 insertions, 70 deletions
diff --git a/Documentation/make/headers_install.txt b/Documentation/make/headers_install.txt index f2481ca..951eb9f 100644 --- a/Documentation/make/headers_install.txt +++ b/Documentation/make/headers_install.txt @@ -39,8 +39,9 @@ INSTALL_HDR_PATH indicates where to install the headers. It defaults to The command "make headers_install_all" exports headers for all architectures simultaneously. (This is mostly of interest to distribution maintainers, who create an architecture-independent tarball from the resulting include -directory.) Remember to provide the appropriate linux/asm directory via "mv" -or "ln -s" before building a C library with headers exported this way. +directory.) You also can use HDR_ARCH_LIST to specify list of architectures. +Remember to provide the appropriate linux/asm directory via "mv" or "ln -s" +before building a C library with headers exported this way. The kernel header export infrastructure is maintained by David Woodhouse <dwmw2@infradead.org>. @@ -224,6 +224,7 @@ ifeq ($(ARCH),m68knommu) endif KCONFIG_CONFIG ?= .config +export KCONFIG_CONFIG # SHELL used by kbuild CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ diff --git a/include/linux/Kbuild b/include/linux/Kbuild index a354c19..d1580c1 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -20,15 +20,18 @@ header-y += wimax/ objhdr-y += version.h ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/a.out.h \ - $(srctree)/include/asm-$(SRCARCH)/a.out.h),) + $(srctree)/include/asm-$(SRCARCH)/a.out.h \ + $(INSTALL_HDR_PATH)/include/asm-*/a.out.h),) header-y += a.out.h endif ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/kvm.h \ - $(srctree)/include/asm-$(SRCARCH)/kvm.h),) + $(srctree)/include/asm-$(SRCARCH)/kvm.h \ + $(INSTALL_HDR_PATH)/include/asm-*/kvm.h),) header-y += kvm.h endif ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/kvm_para.h \ - $(srctree)/include/asm-$(SRCARCH)/kvm_para.h),) + $(srctree)/include/asm-$(SRCARCH)/kvm_para.h \ + $(INSTALL_HDR_PATH)/include/asm-*/kvm_para.h),) header-y += kvm_para.h endif diff --git a/kernel/Makefile b/kernel/Makefile index 0b5ff08..33e0a39 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -121,7 +121,7 @@ $(obj)/configs.o: $(obj)/config_data.h # config_data.h contains the same information as ikconfig.h but gzipped. # Info from config_data can be extracted from /proc/config* targets += config_data.gz -$(obj)/config_data.gz: .config FORCE +$(obj)/config_data.gz: $(KCONFIG_CONFIG) FORCE $(call if_changed,gzip) quiet_cmd_ikconfiggz = IKCFG $@ diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c index ea26b23..c9a16ab 100644 --- a/scripts/basic/fixdep.c +++ b/scripts/basic/fixdep.c @@ -138,38 +138,36 @@ static void print_cmdline(void) printf("cmd_%s := %s\n\n", target, cmdline); } -char * str_config = NULL; -int size_config = 0; -int len_config = 0; +struct item { + struct item *next; + unsigned int len; + unsigned int hash; + char name[0]; +}; -/* - * Grow the configuration string to a desired length. - * Usually the first growth is plenty. - */ -static void grow_config(int len) -{ - while (len_config + len > size_config) { - if (size_config == 0) - size_config = 2048; - str_config = realloc(str_config, size_config *= 2); - if (str_config == NULL) - { perror("fixdep:malloc"); exit(1); } - } -} +#define HASHSZ 256 +static struct item *hashtab[HASHSZ]; +static unsigned int strhash(const char *str, unsigned int sz) +{ + /* fnv32 hash */ + unsigned int i, hash = 2166136261U; + for (i = 0; i < sz; i++) + hash = (hash ^ str[i]) * 0x01000193; + return hash; +} /* * Lookup a value in the configuration string. */ -static int is_defined_config(const char * name, int len) +static int is_defined_config(const char *name, int len, unsigned int hash) { - const char * pconfig; - const char * plast = str_config + len_config - len; - for ( pconfig = str_config + 1; pconfig < plast; pconfig++ ) { - if (pconfig[ -1] == '\n' - && pconfig[len] == '\n' - && !memcmp(pconfig, name, len)) + struct item *aux; + + for (aux = hashtab[hash % HASHSZ]; aux; aux = aux->next) { + if (aux->hash == hash && aux->len == len && + memcmp(aux->name, name, len) == 0) return 1; } return 0; @@ -178,13 +176,19 @@ static int is_defined_config(const char * name, int len) /* * Add a new value to the configuration string. */ -static void define_config(const char * name, int len) +static void define_config(const char *name, int len, unsigned int hash) { - grow_config(len + 1); + struct item *aux = malloc(sizeof(*aux) + len); - memcpy(str_config+len_config, name, len); - len_config += len; - str_config[len_config++] = '\n'; + if (!aux) { + perror("fixdep:malloc"); + exit(1); + } + memcpy(aux->name, name, len); + aux->len = len; + aux->hash = hash; + aux->next = hashtab[hash % HASHSZ]; + hashtab[hash % HASHSZ] = aux; } /* @@ -192,40 +196,49 @@ static void define_config(const char * name, int len) */ static void clear_config(void) { - len_config = 0; - define_config("", 0); + struct item *aux, *next; + unsigned int i; + + for (i = 0; i < HASHSZ; i++) { + for (aux = hashtab[i]; aux; aux = next) { + next = aux->next; + free(aux); + } + hashtab[i] = NULL; + } } /* * Record the use of a CONFIG_* word. */ -static void use_config(char *m, int slen) +static void use_config(const char *m, int slen) { - char s[PATH_MAX]; - char *p; + unsigned int hash = strhash(m, slen); + int c, i; - if (is_defined_config(m, slen)) + if (is_defined_config(m, slen, hash)) return; - define_config(m, slen); + define_config(m, slen, hash); - memcpy(s, m, slen); s[slen] = 0; - - for (p = s; p < s + slen; p++) { - if (*p == '_') - *p = '/'; + printf(" $(wildcard include/config/"); + for (i = 0; i < slen; i++) { + c = m[i]; + if (c == '_') + c = '/'; else - *p = tolower((int)*p); + c = tolower(c); + putchar(c); } - printf(" $(wildcard include/config/%s.h) \\\n", s); + printf(".h) \\\n"); } -static void parse_config_file(char *map, size_t len) +static void parse_config_file(const char *map, size_t len) { - int *end = (int *) (map + len); + const int *end = (const int *) (map + len); /* start at +1, so that p can never be < map */ - int *m = (int *) map + 1; - char *p, *q; + const int *m = (const int *) map + 1; + const char *p, *q; for (; m < end; m++) { if (*m == INT_CONF) { p = (char *) m ; goto conf; } @@ -265,7 +278,7 @@ static int strrcmp(char *s, char *sub) return memcmp(s + slen - sublen, sub, sublen); } -static void do_config_file(char *filename) +static void do_config_file(const char *filename) { struct stat st; int fd; @@ -273,7 +286,7 @@ static void do_config_file(char *filename) fd = open(filename, O_RDONLY); if (fd < 0) { - fprintf(stderr, "fixdep: "); + fprintf(stderr, "fixdep: error opening config file: "); perror(filename); exit(2); } @@ -344,11 +357,15 @@ static void print_deps(void) fd = open(depfile, O_RDONLY); if (fd < 0) { - fprintf(stderr, "fixdep: "); + fprintf(stderr, "fixdep: error opening depfile: "); perror(depfile); exit(2); } - fstat(fd, &st); + if (fstat(fd, &st) < 0) { + fprintf(stderr, "fixdep: error fstat'ing depfile: "); + perror(depfile); + exit(2); + } if (st.st_size == 0) { fprintf(stderr,"fixdep: %s is empty\n",depfile); close(fd); diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh index 6bb42e7..3ab316e 100755 --- a/scripts/checksyscalls.sh +++ b/scripts/checksyscalls.sh @@ -6,7 +6,7 @@ # and listed below so they are ignored. # # Usage: -# syscallchk gcc gcc-options +# checksyscalls.sh gcc gcc-options # ignore_list() { @@ -204,5 +204,5 @@ sed -n -e '/^\#define/ s/[^_]*__NR_\([^[:space:]]*\).*/\ \#endif/p' $1 } -(ignore_list && syscall_list ${srctree}/arch/x86/include/asm/unistd_32.h) | \ +(ignore_list && syscall_list $(dirname $0)/../arch/x86/include/asm/unistd_32.h) | \ $* -E -x c - > /dev/null diff --git a/scripts/genksyms/parse.c_shipped b/scripts/genksyms/parse.c_shipped index eaee44e..809b949 100644 --- a/scripts/genksyms/parse.c_shipped +++ b/scripts/genksyms/parse.c_shipped @@ -160,7 +160,7 @@ #include <assert.h> -#include <malloc.h> +#include <stdlib.h> #include "genksyms.h" static int is_typedef; diff --git a/scripts/genksyms/parse.y b/scripts/genksyms/parse.y index 10d7dc7..09a265c 100644 --- a/scripts/genksyms/parse.y +++ b/scripts/genksyms/parse.y @@ -24,7 +24,7 @@ %{ #include <assert.h> -#include <malloc.h> +#include <stdlib.h> #include "genksyms.h" static int is_typedef; diff --git a/scripts/headers.sh b/scripts/headers.sh index 1ddcdd3..978b42b 100755 --- a/scripts/headers.sh +++ b/scripts/headers.sh @@ -13,7 +13,7 @@ do_command() fi } -archs=$(ls ${srctree}/arch) +archs=${HDR_ARCH_LIST:-$(ls ${srctree}/arch)} for arch in ${archs}; do case ${arch} in diff --git a/scripts/headers_install.pl b/scripts/headers_install.pl index 4ca3be3..efb3be1 100644 --- a/scripts/headers_install.pl +++ b/scripts/headers_install.pl @@ -45,6 +45,13 @@ foreach my $file (@files) { close $in; system $unifdef . " $tmpfile > $installdir/$file"; + # unifdef will exit 0 on success, and will exit 1 when the + # file was processed successfully but no changes were made, + # so abort only when it's higher than that. + my $e = $? >> 8; + if ($e > 1) { + die "$tmpfile: $!\n"; + } unlink $tmpfile; } exit 0; diff --git a/scripts/mkuboot.sh b/scripts/mkuboot.sh index 2e3d3cd..446739c 100755 --- a/scripts/mkuboot.sh +++ b/scripts/mkuboot.sh @@ -11,7 +11,7 @@ if [ -z "${MKIMAGE}" ]; then if [ -z "${MKIMAGE}" ]; then # Doesn't exist echo '"mkimage" command not found - U-Boot images will not be built' >&2 - exit 0; + exit 1; fi fi diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 33122ca..97d2259 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -790,6 +790,7 @@ static const char *section_white_list[] = { ".comment*", ".debug*", + ".zdebug*", /* Compressed debug sections. */ ".GCC-command-line", /* mn10300 */ ".mdebug*", /* alpha, score, mips etc. */ ".pdr", /* alpha, score, mips etc. */ @@ -1441,7 +1442,7 @@ static unsigned int *reloc_location(struct elf_info *elf, int section = shndx2secindex(sechdr->sh_info); return (void *)elf->hdr + sechdrs[section].sh_offset + - r->r_offset - sechdrs[section].sh_addr; + r->r_offset; } static int addend_386_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r) diff --git a/usr/gen_init_cpio.c b/usr/gen_init_cpio.c index b2b3c2d..7f06884 100644 --- a/usr/gen_init_cpio.c +++ b/usr/gen_init_cpio.c @@ -104,6 +104,8 @@ static int cpio_mkslink(const char *name, const char *target, char s[256]; time_t mtime = time(NULL); + if (name[0] == '/') + name++; sprintf(s,"%s%08X%08X%08lX%08lX%08X%08lX" "%08X%08X%08X%08X%08X%08X%08X", "070701", /* magic */ @@ -152,6 +154,8 @@ static int cpio_mkgeneric(const char *name, unsigned int mode, char s[256]; time_t mtime = time(NULL); + if (name[0] == '/') + name++; sprintf(s,"%s%08X%08X%08lX%08lX%08X%08lX" "%08X%08X%08X%08X%08X%08X%08X", "070701", /* magic */ @@ -245,6 +249,8 @@ static int cpio_mknod(const char *name, unsigned int mode, else mode |= S_IFCHR; + if (name[0] == '/') + name++; sprintf(s,"%s%08X%08X%08lX%08lX%08X%08lX" "%08X%08X%08X%08X%08X%08X%08X", "070701", /* magic */ @@ -303,18 +309,18 @@ static int cpio_mkfile(const char *name, const char *location, mode |= S_IFREG; - retval = stat (location, &buf); - if (retval) { - fprintf (stderr, "File %s could not be located\n", location); - goto error; - } - file = open (location, O_RDONLY); if (file < 0) { fprintf (stderr, "File %s could not be opened for reading\n", location); goto error; } + retval = fstat(file, &buf); + if (retval) { + fprintf(stderr, "File %s could not be stat()'ed\n", location); + goto error; + } + filebuf = malloc(buf.st_size); if (!filebuf) { fprintf (stderr, "out of memory\n"); @@ -332,6 +338,8 @@ static int cpio_mkfile(const char *name, const char *location, /* data goes on last link */ if (i == nlinks) size = buf.st_size; + if (name[0] == '/') + name++; namesize = strlen(name) + 1; sprintf(s,"%s%08X%08X%08lX%08lX%08X%08lX" "%08lX%08X%08X%08X%08X%08X%08X", |