From d6c9ac2154fa4f4f71ea3c2072922e954b73f3e1 Mon Sep 17 00:00:00 2001

From: Clark Williams <williams@redhat.com>

Date: Wed, 20 Jul 2016 10:50:33 -0500

Subject: [PATCH] avoid debuginfo hash collision scripts

Signed-off-by: Clark Williams <williams@redhat.com>

---

 arch/x86/vdso/Makefile                  | 3 +++

 arch/x86/vdso/vclock_gettime.c          | 2 ++

 arch/x86/vdso/vdso32-setup.c            | 2 ++

 arch/x86/vdso/vdso32/note.S             | 1 +

 scripts/Makefile                        | 2 +-

 scripts/Makefile.build                  | 2 +-

 scripts/asn1_compiler.c                 | 2 ++

 scripts/basic/Makefile                  | 1 +

 scripts/basic/bin2c.c                   | 2 ++

 scripts/basic/fixdep.c                  | 2 ++

 scripts/genksyms/Makefile               | 1 +

 scripts/genksyms/genksyms.c             | 2 ++

 scripts/kallsyms.c                      | 2 ++

 scripts/kconfig/Makefile                | 3 +++

 scripts/kconfig/conf.c                  | 2 ++

 scripts/mod/Makefile                    | 1 +

 scripts/mod/mk_elfconfig.c              | 2 ++

 scripts/mod/modpost.c                   | 2 ++

 scripts/recordmcount.c                  | 2 ++

 scripts/selinux/genheaders/Makefile     | 2 +-

 scripts/selinux/genheaders/genheaders.c | 1 +

 scripts/selinux/mdp/Makefile            | 2 +-

 scripts/selinux/mdp/mdp.c               | 2 ++

 scripts/sortextable.c                   | 2 ++

 scripts/unifdef.c                       | 2 ++

 25 files changed, 43 insertions(+), 4 deletions(-)

diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile

index 10596e431f0e..26e6cf48ff0e 100644

--- a/arch/x86/vdso/Makefile

+++ b/arch/x86/vdso/Makefile

@@ -4,6 +4,9 @@

 #

 OBJECT_FILES_NON_STANDARD	:= y

+KBUILD_CFLAGS += -DDBGNFO=\"$(KERNELRELEASE)\"

+KBUILD_AFLAGS += -DDBGNFO=\"$(KERNELRELEASE)\"

+

 VDSO64-$(CONFIG_X86_64)		:= y

 VDSOX32-$(CONFIG_X86_X32_ABI)	:= y

 VDSO32-$(CONFIG_X86_32)		:= y

diff --git a/arch/x86/vdso/vclock_gettime.c b/arch/x86/vdso/vclock_gettime.c

index fe52205d9263..92be9cdbae49 100644

--- a/arch/x86/vdso/vclock_gettime.c

+++ b/arch/x86/vdso/vclock_gettime.c

@@ -27,6 +27,8 @@

 #define gtod (&VVAR(vsyscall_gtod_data))

+const char * dbgnfo = DBGNFO;

+

 notrace static cycle_t vread_tsc(void)

 {

 	cycle_t ret = (cycle_t)rdtsc_ordered();

diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c

index 0faad646f5fd..f57656b9e60b 100644

--- a/arch/x86/vdso/vdso32-setup.c

+++ b/arch/x86/vdso/vdso32-setup.c

@@ -76,6 +76,8 @@ __setup_param("vdso=", vdso32_setup, vdso_setup, 0);

 EXPORT_SYMBOL_GPL(vdso_enabled);

 #endif

+const char * dbgnfo = DBGNFO;

+

 static __init void reloc_symtab(Elf32_Ehdr *ehdr,

 				unsigned offset, unsigned size)

 {

diff --git a/arch/x86/vdso/vdso32/note.S b/arch/x86/vdso/vdso32/note.S

index c83f25734696..6e25bcc8a40f 100644

--- a/arch/x86/vdso/vdso32/note.S

+++ b/arch/x86/vdso/vdso32/note.S

@@ -11,6 +11,7 @@

    kernel's name. */

 ELFNOTE_START(Linux, 0, "a")

 	.long LINUX_VERSION_CODE

+	.string DBGNFO

 ELFNOTE_END

 #ifdef CONFIG_XEN

diff --git a/scripts/Makefile b/scripts/Makefile

index 62e6cc222fb0..befe20a87dd8 100644

--- a/scripts/Makefile

+++ b/scripts/Makefile

@@ -8,7 +8,7 @@

 # conmakehash:	 Create arrays for initializing the kernel console tables

 # docproc:       Used in Documentation/DocBook

-HOST_EXTRACFLAGS += -I$(srctree)/tools/include

+HOST_EXTRACFLAGS += -I$(srctree)/tools/include -DDBGNFO=\"$(KERNELRELEASE)\"

 hostprogs-$(CONFIG_KALLSYMS)     += kallsyms

 hostprogs-$(CONFIG_LOGO)         += pnmtologo

diff --git a/scripts/Makefile.build b/scripts/Makefile.build

index 61527b09ac66..63a8316fe46c 100644

--- a/scripts/Makefile.build

+++ b/scripts/Makefile.build

@@ -19,7 +19,7 @@ targets :=

 subdir-y :=

 subdir-m :=

 EXTRA_AFLAGS   :=

-EXTRA_CFLAGS   :=

+EXTRA_CFLAGS   := -DDBGNFO=\"$(KernelVer)\"

 EXTRA_CPPFLAGS :=

 EXTRA_LDFLAGS  :=

 asflags-y  :=

diff --git a/scripts/asn1_compiler.c b/scripts/asn1_compiler.c

index ec2ed45e20f6..58c8f6a21307 100644

--- a/scripts/asn1_compiler.c

+++ b/scripts/asn1_compiler.c

@@ -20,6 +20,8 @@

 #include <sys/stat.h>

 #include <linux/asn1_ber_bytecode.h>

+const char * dbgnfo = DBGNFO;

+

 enum token_type {

 	DIRECTIVE_ABSENT,

 	DIRECTIVE_ALL,

diff --git a/scripts/basic/Makefile b/scripts/basic/Makefile

index ec10d9345bc2..c3092e084a39 100644

--- a/scripts/basic/Makefile

+++ b/scripts/basic/Makefile

@@ -8,6 +8,7 @@

 # ---------------------------------------------------------------------------

 # fixdep: 	 Used to generate dependency information during build process

+HOST_EXTRACFLAGS += -DDBGNFO=\"$(KERNELRELEASE)\"

 hostprogs-y	:= fixdep

 hostprogs-$(CONFIG_BUILD_BIN2C)     += bin2c

 always		:= $(hostprogs-y)

diff --git a/scripts/basic/bin2c.c b/scripts/basic/bin2c.c

index af187e695345..24ee6e493fcf 100644

--- a/scripts/basic/bin2c.c

+++ b/scripts/basic/bin2c.c

@@ -9,6 +9,8 @@

 #include <stdio.h>

+const char * dbgnfo = DBGNFO;

+

 int main(int argc, char *argv[])

 {

 	int ch, total = 0;

diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c

index 078fe1d64e7d..d8a993d5b22f 100644

--- a/scripts/basic/fixdep.c

+++ b/scripts/basic/fixdep.c

@@ -120,6 +120,8 @@

 #define INT_NFIG ntohl(0x4e464947)

 #define INT_FIG_ ntohl(0x4649475f)

+const char * dbgnfo = DBGNFO;

+

 char *target;

 char *depfile;

 char *cmdline;

diff --git a/scripts/genksyms/Makefile b/scripts/genksyms/Makefile

index aca33b98bf63..fe64439746c7 100644

--- a/scripts/genksyms/Makefile

+++ b/scripts/genksyms/Makefile

@@ -1,4 +1,5 @@

+HOST_EXTRACFLAGS += -DDBGNFO=\"$(KERNELRELEASE)\"

 hostprogs-y	:= genksyms

 always		:= $(hostprogs-y)

diff --git a/scripts/genksyms/genksyms.c b/scripts/genksyms/genksyms.c

index 88632df4381b..a89629b8acd7 100644

--- a/scripts/genksyms/genksyms.c

+++ b/scripts/genksyms/genksyms.c

@@ -36,6 +36,8 @@

 #define HASH_BUCKETS  4096

+const char * dbgnfo = DBGNFO;

+

 static struct symbol *symtab[HASH_BUCKETS];

 static FILE *debugfile;

diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c

index 9a11f9f799f4..1d544535f8de 100644

--- a/scripts/kallsyms.c

+++ b/scripts/kallsyms.c

@@ -29,6 +29,8 @@

 #define KSYM_NAME_LEN		128

+const char * dbgnfo = DBGNFO;

+

 struct sym_entry {

 	unsigned long long addr;

 	unsigned int len;

diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile

index 844bc9da08da..65a1b02c4d9c 100644

--- a/scripts/kconfig/Makefile

+++ b/scripts/kconfig/Makefile

@@ -2,6 +2,9 @@

 # Kernel configuration targets

 # These targets are used from top-level makefile

+HOST_EXTRACFLAGS += -DDBGNFO=\"$(KernelVer)\"

+KBUILD_CFLAGS += -DDBGNFO=\"$(KernelVer)\"

+

 PHONY += oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-config \

 	localmodconfig localyesconfig

diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c

index bde5b95c8c19..f8328c349294 100644

--- a/scripts/kconfig/conf.c

+++ b/scripts/kconfig/conf.c

@@ -17,6 +17,8 @@

 #include "lkc.h"

+const char * dbgnfo = DBGNFO;

+

 static void conf(struct menu *menu);

 static void check_conf(struct menu *menu);

 static void xfgets(char *str, int size, FILE *in);

diff --git a/scripts/mod/Makefile b/scripts/mod/Makefile

index d36fbfc859bd..7034c0800401 100644

--- a/scripts/mod/Makefile

+++ b/scripts/mod/Makefile

@@ -1,5 +1,6 @@

 OBJECT_FILES_NON_STANDARD := y

+HOST_EXTRACFLAGS += -DDBGNFO=\"$(KERNELRELEASE)\"

 hostprogs-y	:= modpost mk_elfconfig

 always		:= $(hostprogs-y) empty.o

diff --git a/scripts/mod/mk_elfconfig.c b/scripts/mod/mk_elfconfig.c

index 639bca7ba559..9babae46c4f2 100644

--- a/scripts/mod/mk_elfconfig.c

+++ b/scripts/mod/mk_elfconfig.c

@@ -3,6 +3,8 @@

 #include <string.h>

 #include <elf.h>

+const char * dbgnfo = DBGNFO;

+

 int

 main(int argc, char **argv)

 {

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c

index 2b64dcd22b32..bc0991ccf07e 100644

--- a/scripts/mod/modpost.c

+++ b/scripts/mod/modpost.c

@@ -23,6 +23,8 @@

 #include "../../include/generated/uapi/linux/version.h"

 #include "../../include/linux/export.h"

+const char * dbgnfo = DBGNFO;

+

 /* Are we using CONFIG_MODVERSIONS? */

 int modversions = 0;

 /* Warn about undefined symbols? (do so if we have vmlinux) */

diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c

index 9c22317778eb..52bfb472c90e 100644

--- a/scripts/recordmcount.c

+++ b/scripts/recordmcount.c

@@ -40,6 +40,8 @@

 #define R_METAG_NONE                     3

 #endif

+const char * dbgnfo = DBGNFO;

+

 static int fd_map;	/* File descriptor for file being modified. */

 static int mmap_failed; /* Boolean flag. */

 static void *ehdr_curr; /* current ElfXX_Ehdr *  for resource cleanup */

diff --git a/scripts/selinux/genheaders/Makefile b/scripts/selinux/genheaders/Makefile

index 417b165008ee..4ca9250ea655 100644

--- a/scripts/selinux/genheaders/Makefile

+++ b/scripts/selinux/genheaders/Makefile

@@ -1,5 +1,5 @@

 hostprogs-y	:= genheaders

-HOST_EXTRACFLAGS += -Isecurity/selinux/include

+HOST_EXTRACFLAGS += -Isecurity/selinux/include -DDBGNFO=\"$(KERNELRELEASE)\"

 always		:= $(hostprogs-y)

 clean-files	:= $(hostprogs-y)

diff --git a/scripts/selinux/genheaders/genheaders.c b/scripts/selinux/genheaders/genheaders.c

index 539855ff31f9..c107add8fe33 100644

--- a/scripts/selinux/genheaders/genheaders.c

+++ b/scripts/selinux/genheaders/genheaders.c

@@ -15,6 +15,7 @@ struct security_class_mapping {

 #define max(x, y) (((int)(x) > (int)(y)) ? x : y)

+const char * dbgnfo = DBGNFO;

 const char *progname;

 static void usage(void)

diff --git a/scripts/selinux/mdp/Makefile b/scripts/selinux/mdp/Makefile

index eb365b333441..96052f20cda6 100644

--- a/scripts/selinux/mdp/Makefile

+++ b/scripts/selinux/mdp/Makefile

@@ -1,5 +1,5 @@

 hostprogs-y	:= mdp

-HOST_EXTRACFLAGS += -Isecurity/selinux/include

+HOST_EXTRACFLAGS += -Isecurity/selinux/include -DDBGNFO=\"$(KERNELRELEASE)\"

 always		:= $(hostprogs-y)

 clean-files	:= $(hostprogs-y) policy.* file_contexts

diff --git a/scripts/selinux/mdp/mdp.c b/scripts/selinux/mdp/mdp.c

index 62b34ce1f50d..8a50fc60989c 100644

--- a/scripts/selinux/mdp/mdp.c

+++ b/scripts/selinux/mdp/mdp.c

@@ -29,6 +29,8 @@

 #include <unistd.h>

 #include <string.h>

+const char * dbgnfo = DBGNFO;

+

 static void usage(char *name)

 {

 	printf("usage: %s [-m] policy_file context_file\n", name);

diff --git a/scripts/sortextable.c b/scripts/sortextable.c

index 1f10e89d15b4..2aff6ba8e5e8 100644

--- a/scripts/sortextable.c

+++ b/scripts/sortextable.c

@@ -31,6 +31,8 @@

 #include <tools/be_byteshift.h>

 #include <tools/le_byteshift.h>

+const char * dbgnfo = DBGNFO;

+

 static int fd_map;	/* File descriptor for file being modified. */

 static int mmap_failed; /* Boolean flag. */

 static void *ehdr_curr; /* current ElfXX_Ehdr *  for resource cleanup */

diff --git a/scripts/unifdef.c b/scripts/unifdef.c

index 7493c0ee51cc..8fd20debd864 100644

--- a/scripts/unifdef.c

+++ b/scripts/unifdef.c

@@ -56,6 +56,8 @@

 #include <string.h>

 #include <unistd.h>

+const char * dbgnfo = DBGNFO;

+

 const char copyright[] =

     "@(#) $Version: unifdef-2.5 $\n"

     "@(#) $Author: Tony Finch (dot@dotat.at) $\n"

-- 

2.7.4