[PATCH] glibc: add arc700 patch

Paul Spooren mail at aparcar.org
Mon Dec 28 15:37:55 EST 2020


Hi Alexey,

could you please test this patch? I have no devboard at hand.

Kind regards,
Paul

On So, Dez 27, 2020 at 15:29, Rosen Penev <rosenp at gmail.com> wrote:
> On Sat, Dec 26, 2020 at 11:50 AM Hans Dedecker <dedeckeh at gmail.com> 
> wrote:
>> 
>>  Hi,
>> 
>>  On Fri, Dec 25, 2020 at 1:37 AM Rosen Penev <rosenp at gmail.com> 
>> wrote:
>>  >
>>  > glibc does not officially support ARC700 so this adds the missing
>>  > pieces. I looked at uClibc-ng and a patch by Synopsis for glibc.
>>  >
>>  > ran make toolchain/glibc/refresh to clean up fuzz.
>>  >
>>  > Signed-off-by: Rosen Penev <rosenp at gmail.com>
>>  > ---
>>  >  toolchain/glibc/common.mk                     |  2 +-
>>  >  ...use-of-DES-encryption-functions-in-n.patch | 87 
>> +++++++------------
>>  >  .../glibc/patches/100-fix_cross_rpcgen.patch  |  1 +
>>  >  toolchain/glibc/patches/300-arc.patch         | 55 ++++++++++++
>>  Will the ARC700 patch be pushed upstream ?
> Up to Synopsis.
>> 
>>  Hans
>>  >  4 files changed, 87 insertions(+), 58 deletions(-)
>>  >  create mode 100644 toolchain/glibc/patches/300-arc.patch
>>  >
>>  > diff --git a/toolchain/glibc/common.mk b/toolchain/glibc/common.mk
>>  > index faf749eea3..555bd19a61 100644
>>  > --- a/toolchain/glibc/common.mk
>>  > +++ b/toolchain/glibc/common.mk
>>  > @@ -8,7 +8,7 @@ include $(TOPDIR)/rules.mk
>>  >
>>  >  PKG_NAME:=glibc
>>  >  PKG_VERSION:=2.32
>>  > -PKG_RELEASE:=1
>>  > +PKG_RELEASE:=2
>>  >
>>  >  PKG_SOURCE_PROTO:=git
>>  >  PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
>>  > diff --git 
>> a/toolchain/glibc/patches/050-Revert-Disallow-use-of-DES-encryption-functions-in-n.patch 
>> b/toolchain/glibc/patches/050-Revert-Disallow-use-of-DES-encryption-functions-in-n.patch
>>  > index 002e7a1770..10d9f65d18 100644
>>  > --- 
>> a/toolchain/glibc/patches/050-Revert-Disallow-use-of-DES-encryption-functions-in-n.patch
>>  > +++ 
>> b/toolchain/glibc/patches/050-Revert-Disallow-use-of-DES-encryption-functions-in-n.patch
>>  > @@ -23,11 +23,9 @@ provides them.
>>  >   sunrpc/des_soft.c          |   2 +-
>>  >   13 files changed, 305 insertions(+), 90 deletions(-)
>>  >
>>  > -diff --git a/conform/data/stdlib.h-data 
>> b/conform/data/stdlib.h-data
>>  > -index 6913828196..d8fcccc2fb 100644
>>  >  --- a/conform/data/stdlib.h-data
>>  >  +++ b/conform/data/stdlib.h-data
>>  > -@@ -149,6 +149,9 @@ function {unsigned short int*} seed48 
>> (unsigned short int[3])
>>  > +@@ -149,6 +149,9 @@ function {unsigned short int*} seed48 (u
>>  >   #if !defined ISO && !defined ISO99 && !defined ISO11 && 
>> !defined POSIX && !defined XPG4 && !defined XPG42 && !defined UNIX98
>>  >   function int setenv (const char*, const char*, int)
>>  >   #endif
>>  > @@ -37,8 +35,6 @@ index 6913828196..d8fcccc2fb 100644
>>  >   #if !defined ISO && !defined ISO99 && !defined ISO11 && 
>> !defined XPG4 && !defined POSIX && !defined POSIX2008
>>  >   function {char*} setstate (char*)
>>  >   #endif
>>  > -diff --git a/conform/data/unistd.h-data 
>> b/conform/data/unistd.h-data
>>  > -index aa070528e8..ddf4f25132 100644
>>  >  --- a/conform/data/unistd.h-data
>>  >  +++ b/conform/data/unistd.h-data
>>  >  @@ -437,6 +437,9 @@ function int chroot (const char*)
>>  > @@ -61,8 +57,6 @@ index aa070528e8..ddf4f25132 100644
>>  >   function int execl (const char*, const char*, ...)
>>  >   function int execle (const char*, const char*, ...)
>>  >   function int execlp (const char*, const char*, ...)
>>  > -diff --git a/crypt/cert.c b/crypt/cert.c
>>  > -index e070ca398d..80029e9078 100644
>>  >  --- a/crypt/cert.c
>>  >  +++ b/crypt/cert.c
>>  >  @@ -10,22 +10,6 @@
>>  > @@ -102,8 +96,6 @@ index e070ca398d..80029e9078 100644
>>  >  -}
>>  >  -
>>  >  -#endif
>>  > -diff --git a/crypt/crypt-entry.c b/crypt/crypt-entry.c
>>  > -index 502b5846f0..09332c690a 100644
>>  >  --- a/crypt/crypt-entry.c
>>  >  +++ b/crypt/crypt-entry.c
>>  >  @@ -35,7 +35,6 @@
>>  > @@ -114,7 +106,7 @@ index 502b5846f0..09332c690a 100644
>>  >
>>  >   /* Prototypes for local functions.  */
>>  >   #ifndef __GNU_LIBRARY__
>>  > -@@ -177,7 +176,17 @@ crypt (const char *key, const char *salt)
>>  > +@@ -177,7 +176,17 @@ crypt (const char *key, const char *salt
>>  >     return __crypt_r (key, salt, &_ufc_foobar);
>>  >   }
>>  >
>>  > @@ -134,8 +126,6 @@ index 502b5846f0..09332c690a 100644
>>  >  +  return crypt (key, salt);
>>  >  +}
>>  >   #endif
>>  > -diff --git a/crypt/crypt.h b/crypt/crypt.h
>>  > -index ca8ad456cc..7d0de95018 100644
>>  >  --- a/crypt/crypt.h
>>  >  +++ b/crypt/crypt.h
>>  >  @@ -36,6 +36,14 @@ __BEGIN_DECLS
>>  > @@ -168,8 +158,6 @@ index ca8ad456cc..7d0de95018 100644
>>  >   #endif
>>  >
>>  >   __END_DECLS
>>  > -diff --git a/crypt/crypt_util.c b/crypt/crypt_util.c
>>  > -index 4b2f0a89cb..b012cde6bd 100644
>>  >  --- a/crypt/crypt_util.c
>>  >  +++ b/crypt/crypt_util.c
>>  >  @@ -34,7 +34,6 @@
>>  > @@ -196,7 +184,7 @@ index 4b2f0a89cb..b012cde6bd 100644
>>  >
>>  >   /*
>>  >    * This is the final
>>  > -@@ -788,7 +785,6 @@ _ufc_output_conversion_r (ufc_long v1, 
>> ufc_long v2, const char *salt,
>>  > +@@ -788,7 +785,6 @@ _ufc_output_conversion_r (ufc_long v1, u
>>  >     __data->crypt_3_buf[13] = 0;
>>  >   }
>>  >
>>  > @@ -204,7 +192,7 @@ index 4b2f0a89cb..b012cde6bd 100644
>>  >
>>  >   /*
>>  >    * UNIX encrypt function. Takes a bitvector
>>  > -@@ -889,14 +885,12 @@ __encrypt_r (char *__block, int __edflag,
>>  > +@@ -889,14 +885,12 @@ __encrypt_r (char *__block, int __edflag
>>  >     }
>>  >   }
>>  >   weak_alias (__encrypt_r, encrypt_r)
>>  > @@ -219,7 +207,7 @@ index 4b2f0a89cb..b012cde6bd 100644
>>  >
>>  >
>>  >   /*
>>  > -@@ -921,15 +915,12 @@ __setkey_r (const char *__key, struct 
>> crypt_data * __restrict __data)
>>  > +@@ -921,15 +915,12 @@ __setkey_r (const char *__key, struct cr
>>  >     _ufc_mk_keytab_r((char *) ktab, __data);
>>  >   }
>>  >   weak_alias (__setkey_r, setkey_r)
>>  > @@ -235,11 +223,9 @@ index 4b2f0a89cb..b012cde6bd 100644
>>  >
>>  >   void
>>  >   __b64_from_24bit (char **cp, int *buflen,
>>  > -diff --git a/manual/conf.texi b/manual/conf.texi
>>  > -index f959b00bb6..51fb2f5aa1 100644
>>  >  --- a/manual/conf.texi
>>  >  +++ b/manual/conf.texi
>>  > -@@ -780,8 +780,6 @@ Inquire about the parameter corresponding to 
>> @code{_XOPEN_LEGACY}.
>>  > +@@ -780,8 +780,6 @@ Inquire about the parameter correspondin
>>  >   @item _SC_XOPEN_CRYPT
>>  >   @standards{X/Open, unistd.h}
>>  >   Inquire about the parameter corresponding to 
>> @code{_XOPEN_CRYPT}.
>>  > @@ -248,11 +234,9 @@ index f959b00bb6..51fb2f5aa1 100644
>>  >
>>  >   @item _SC_XOPEN_ENH_I18N
>>  >   @standards{X/Open, unistd.h}
>>  > -diff --git a/manual/crypt.texi b/manual/crypt.texi
>>  > -index af23dd7847..1b151f2d74 100644
>>  >  --- a/manual/crypt.texi
>>  >  +++ b/manual/crypt.texi
>>  > -@@ -16,8 +16,19 @@ subject to them, even if you do not use the 
>> functions in this chapter
>>  > +@@ -16,8 +16,19 @@ subject to them, even if you do not use
>>  >   yourself.  The restrictions vary from place to place and are 
>> changed
>>  >   often, so we cannot give any more specific advice than this 
>> warning.
>>  >
>>  > @@ -272,7 +256,7 @@ index af23dd7847..1b151f2d74 100644
>>  >   * Unpredictable Bytes::         Randomness for cryptographic 
>> purposes.
>>  >   @end menu
>>  >
>>  > -@@ -190,6 +201,199 @@ unpredictable as possible; 
>> @pxref{Unpredictable Bytes}.
>>  > +@@ -190,6 +201,199 @@ unpredictable as possible; @pxref{Unpred
>>  >   @include genpass.c.texi
>>  >   @end smallexample
>>  >
>>  > @@ -472,8 +456,6 @@ index af23dd7847..1b151f2d74 100644
>>  >   The next program demonstrates how to verify a passphrase.  It 
>> checks a
>>  >   hash hardcoded into the program, because looking up real users' 
>> hashed
>>  >   passphrases may require special privileges (@pxref{User 
>> Database}).
>>  > -diff --git a/manual/string.texi b/manual/string.texi
>>  > -index 23f516439a..5586b52dee 100644
>>  >  --- a/manual/string.texi
>>  >  +++ b/manual/string.texi
>>  >  @@ -36,8 +36,8 @@ too.
>>  > @@ -487,7 +469,7 @@ index 23f516439a..5586b52dee 100644
>>  >   * Encode Binary Data::          Encoding and Decoding of Binary 
>> Data.
>>  >   * Argz and Envz Vectors::       Null-separated string vectors.
>>  >   @end menu
>>  > -@@ -2426,73 +2426,73 @@ functionality under a different name, 
>> such as @code{explicit_memset},
>>  > +@@ -2426,73 +2426,73 @@ functionality under a different name, su
>>  >   systems it may be in @file{strings.h} instead.
>>  >   @end deftypefun
>>  >
>>  > @@ -538,10 +520,19 @@ index 23f516439a..5586b52dee 100644
>>  >
>>  >  - at node Obfuscating Data
>>  >  - at section Obfuscating Data
>>  > -- at cindex Rot13
>>  >  + at node Trivial Encryption
>>  >  + at section Trivial Encryption
>>  >  + at cindex encryption
>>  > ++
>>  > ++
>>  > ++The @code{memfrob} function converts an array of data to 
>> something
>>  > ++unrecognizable and back again.  It is not encryption in its 
>> usual sense
>>  > ++since it is easy for someone to convert the encrypted data back 
>> to clear
>>  > ++text.  The transformation is analogous to Usenet's ``Rot13'' 
>> encryption
>>  > ++method for obscuring offensive jokes from sensitive eyes and 
>> such.
>>  > ++Unlike Rot13, @code{memfrob} works on arbitrary binary data, 
>> not just
>>  > ++text.
>>  > + @cindex Rot13
>>  >
>>  >  -The @code{memfrob} function reversibly obfuscates an array of 
>> binary
>>  >  -data.  This is not true encryption; the obfuscated data still 
>> bears a
>>  > @@ -549,20 +540,12 @@ index 23f516439a..5586b52dee 100644
>>  >  -undo the obfuscation.  It is analogous to the ``Rot13'' cipher 
>> used on
>>  >  -Usenet for obscuring offensive jokes, spoilers for works of 
>> fiction,
>>  >  -and so on, but it can be applied to arbitrary binary data.
>>  > -
>>  > +-
>>  >  -Programs that need true encryption---a transformation that 
>> completely
>>  >  -obscures the original and cannot be reversed without knowledge 
>> of a
>>  >  -secret key---should use a dedicated cryptography library, such 
>> as
>>  >  - at uref{https://www.gnu.org/software/libgcrypt/,,libgcrypt}.
>>  > -+The @code{memfrob} function converts an array of data to 
>> something
>>  > -+unrecognizable and back again.  It is not encryption in its 
>> usual sense
>>  > -+since it is easy for someone to convert the encrypted data back 
>> to clear
>>  > -+text.  The transformation is analogous to Usenet's ``Rot13'' 
>> encryption
>>  > -+method for obscuring offensive jokes from sensitive eyes and 
>> such.
>>  > -+Unlike Rot13, @code{memfrob} works on arbitrary binary data, 
>> not just
>>  > -+text.
>>  > -+ at cindex Rot13
>>  > -
>>  > +-
>>  >  -Programs that need to @emph{destroy} data should use
>>  >  - at code{explicit_bzero} (@pxref{Erasing Sensitive Data}), or 
>> possibly
>>  >  - at code{strfry} (@pxref{Shuffling Bytes}).
>>  > @@ -579,13 +562,14 @@ index 23f516439a..5586b52dee 100644
>>  >  -beginning at @var{mem}, in place.  Each byte is bitwise xor-ed 
>> with
>>  >  -the binary pattern 00101010 (hexadecimal 0x2A).  The return 
>> value is
>>  >  -always @var{mem}.
>>  > +-
>>  > +- at code{memfrob} a second time on the same data returns it to
>>  > +-its original state.
>>  >  + at code{memfrob} transforms (frobnicates) each byte of the data 
>> structure
>>  >  +at @var{mem}, which is @var{length} bytes long, by bitwise 
>> exclusive
>>  >  +oring it with binary 00101010.  It does the transformation in 
>> place and
>>  >  +its return value is always @var{mem}.
>>  > -
>>  > -- at code{memfrob} a second time on the same data returns it to
>>  > --its original state.
>>  > ++
>>  >  +Note that @code{memfrob} a second time on the same data 
>> structure
>>  >  +returns it to its original state.
>>  >  +
>>  > @@ -600,8 +584,6 @@ index 23f516439a..5586b52dee 100644
>>  >   @end deftypefun
>>  >
>>  >   @node Encode Binary Data
>>  > -diff --git a/posix/unistd.h b/posix/unistd.h
>>  > -index 32b8161619..6fac59999f 100644
>>  >  --- a/posix/unistd.h
>>  >  +++ b/posix/unistd.h
>>  >  @@ -107,6 +107,9 @@ __BEGIN_DECLS
>>  > @@ -614,7 +596,7 @@ index 32b8161619..6fac59999f 100644
>>  >   /* The enhanced internationalization capabilities according to 
>> XPG4.2
>>  >      are present.  */
>>  >   #define       _XOPEN_ENH_I18N 1
>>  > -@@ -1129,17 +1132,25 @@ ssize_t copy_file_range (int __infd, 
>> __off64_t *__pinoff,
>>  > +@@ -1129,17 +1132,25 @@ ssize_t copy_file_range (int __infd, __o
>>  >   extern int fdatasync (int __fildes);
>>  >   #endif /* Use POSIX199309 */
>>  >
>>  > @@ -643,11 +625,9 @@ index 32b8161619..6fac59999f 100644
>>  >   /* Swab pairs bytes in the first N bytes of the area pointed to 
>> by
>>  >      FROM and copy the result to TO.  The value of TO must not be 
>> in the
>>  >      range [FROM - N + 1, FROM - 1].  If N is odd the first byte 
>> in FROM
>>  > -diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
>>  > -index 3aa27a9d25..67e5e66f94 100644
>>  >  --- a/stdlib/stdlib.h
>>  >  +++ b/stdlib/stdlib.h
>>  > -@@ -962,6 +962,12 @@ extern int getsubopt (char **__restrict 
>> __optionp,
>>  > +@@ -962,6 +962,12 @@ extern int getsubopt (char **__restrict
>>  >   #endif
>>  >
>>  >
>>  > @@ -660,11 +640,9 @@ index 3aa27a9d25..67e5e66f94 100644
>>  >   /* X/Open pseudo terminal handling.  */
>>  >
>>  >   #ifdef __USE_XOPEN2KXSI
>>  > -diff --git a/sunrpc/des_crypt.c b/sunrpc/des_crypt.c
>>  > -index 9b4bd2d5dd..a4d8b2936b 100644
>>  >  --- a/sunrpc/des_crypt.c
>>  >  +++ b/sunrpc/des_crypt.c
>>  > -@@ -86,9 +86,6 @@ common_crypt (char *key, char *buf, register 
>> unsigned len,
>>  > +@@ -86,9 +86,6 @@ common_crypt (char *key, char *buf, regi
>>  >     return desdev == DES_SW ? DESERR_NONE : DESERR_NOHWDEVICE;
>>  >   }
>>  >
>>  > @@ -674,7 +652,7 @@ index 9b4bd2d5dd..a4d8b2936b 100644
>>  >   /*
>>  >    * CBC mode encryption
>>  >    */
>>  > -@@ -105,7 +102,7 @@ cbc_crypt (char *key, char *buf, unsigned 
>> int len, unsigned int mode,
>>  > +@@ -105,7 +102,7 @@ cbc_crypt (char *key, char *buf, unsigne
>>  >     COPY8 (dp.des_ivec, ivec);
>>  >     return err;
>>  >   }
>>  > @@ -683,14 +661,12 @@ index 9b4bd2d5dd..a4d8b2936b 100644
>>  >
>>  >   /*
>>  >    * ECB mode encryption
>>  > -@@ -118,4 +115,4 @@ ecb_crypt (char *key, char *buf, unsigned 
>> int len, unsigned int mode)
>>  > +@@ -118,4 +115,4 @@ ecb_crypt (char *key, char *buf, unsigne
>>  >     dp.des_mode = ECB;
>>  >     return common_crypt (key, buf, len, mode, &dp);
>>  >   }
>>  >  -hidden_nolink (ecb_crypt, libc, GLIBC_2_1)
>>  >  +libc_hidden_nolink_sunrpc (ecb_crypt, GLIBC_2_1)
>>  > -diff --git a/sunrpc/des_soft.c b/sunrpc/des_soft.c
>>  > -index a87de96cc7..f884f8f21b 100644
>>  >  --- a/sunrpc/des_soft.c
>>  >  +++ b/sunrpc/des_soft.c
>>  >  @@ -71,4 +71,4 @@ des_setparity (char *p)
>>  > @@ -699,6 +675,3 @@ index a87de96cc7..f884f8f21b 100644
>>  >   }
>>  >  -hidden_nolink (des_setparity, libc, GLIBC_2_1)
>>  >  +libc_hidden_nolink_sunrpc (des_setparity, GLIBC_2_1)
>>  > ---
>>  > -2.25.1
>>  > -
>>  > diff --git a/toolchain/glibc/patches/100-fix_cross_rpcgen.patch 
>> b/toolchain/glibc/patches/100-fix_cross_rpcgen.patch
>>  > index 6ee1e80424..9baed08139 100644
>>  > --- a/toolchain/glibc/patches/100-fix_cross_rpcgen.patch
>>  > +++ b/toolchain/glibc/patches/100-fix_cross_rpcgen.patch
>>  > @@ -33,3 +33,4 @@
>>  >  +typedef char *caddr_t;
>>  >   # define __daddr_t_defined
>>  >   #endif
>>  > +
>>  > diff --git a/toolchain/glibc/patches/300-arc.patch 
>> b/toolchain/glibc/patches/300-arc.patch
>>  > new file mode 100644
>>  > index 0000000000..66f7aeb3ef
>>  > --- /dev/null
>>  > +++ b/toolchain/glibc/patches/300-arc.patch
>>  > @@ -0,0 +1,55 @@
>>  > +--- a/sysdeps/arc/atomic-machine.h
>>  > ++++ b/sysdeps/arc/atomic-machine.h
>>  > +@@ -64,6 +64,10 @@ typedef uintmax_t uatomic_max_t;
>>  > +   __atomic_val_bysize (__arch_compare_and_exchange_val, int,    
>>       \
>>  > +                      mem, new, old, __ATOMIC_ACQUIRE)
>>  > +
>>  > ++#ifdef __ARC700__
>>  > ++#define atomic_full_barrier()  ({ asm volatile 
>> ("sync":::"memory"); })
>>  > ++#else
>>  > + #define atomic_full_barrier()  ({ asm volatile ("dmb 
>> 3":::"memory"); })
>>  > ++#endif
>>  > +
>>  > + #endif /* _ARC_BITS_ATOMIC_H */
>>  > +--- a/sysdeps/unix/sysv/linux/arc/syscall.S
>>  > ++++ b/sysdeps/unix/sysv/linux/arc/syscall.S
>>  > +@@ -24,8 +24,13 @@ ENTRY (syscall)
>>  > +       mov_s   r1, r2
>>  > +       mov_s   r2, r3
>>  > +       mov_s   r3, r4
>>  > ++#ifdef __ARC700__
>>  > ++      mov     r4, r5
>>  > ++      mov     r5, r6
>>  > ++#else
>>  > +       mov_s   r4, r5
>>  > +       mov_s   r5, r6
>>  > ++#endif
>>  > +
>>  > +       ARC_TRAP_INSN
>>  > +       brhi    r0, -4096, L (call_syscall_err)
>>  > +--- a/sysdeps/unix/sysv/linux/arc/sysdep.h
>>  > ++++ b/sysdeps/unix/sysv/linux/arc/sysdep.h
>>  > +@@ -128,7 +128,11 @@ L (call_syscall_err):                     
>> ASM_LINE_SEP    \
>>  > +     mov    r8, __NR_##syscall_name    ASM_LINE_SEP    \
>>  > +     ARC_TRAP_INSN                     ASM_LINE_SEP
>>  > +
>>  > ++# ifdef __ARC700__
>>  > ++# define ARC_TRAP_INSN        trap0
>>  > ++# else
>>  > + # define ARC_TRAP_INSN        trap_s 0
>>  > ++# endif
>>  > +
>>  > + #else  /* !__ASSEMBLER__ */
>>  > +
>>  > +@@ -139,7 +143,11 @@ extern long int __syscall_error (long in
>>  > + hidden_proto (__syscall_error)
>>  > + # endif
>>  > +
>>  > ++# ifdef __ARC700__
>>  > ++# define ARC_TRAP_INSN        "trap0          \n\t"
>>  > ++# else
>>  > + # define ARC_TRAP_INSN        "trap_s 0       \n\t"
>>  > ++#endif
>>  > +
>>  > + # undef INTERNAL_SYSCALL_NCS
>>  > + # define INTERNAL_SYSCALL_NCS(number, nr_args, args...)       \
>>  > --
>>  > 2.29.2
>>  >
>>  >
>>  > _______________________________________________
>>  > openwrt-devel mailing list
>>  > openwrt-devel at lists.openwrt.org
>>  > https://lists.openwrt.org/mailman/listinfo/openwrt-devel
> 
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