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patches/uClibc/0.9.30.2/160-Make-use-of-macros-from-sys-asm.h-in-crt1.S.patch
author Remy Bohmer <linux@bohmer.net>
Thu May 27 23:18:19 2010 +0200 (2010-05-27)
changeset 2060 51e4597b07fc
permissions -rw-r--r--
scripts: add option to strip all toolchain executables

To reduce filesizes of the toolchain and even improve build times
of projects to be build with this toolchain it is usefull to strip
the delivered toolchain executables. Since it is not likely that we
will debug the toolchain executables itself we do not need the
debug information inside the executables itself.

Signed-off-by: Remy Bohmer <linux@bohmer.net> 
     1 From 2911103dd4a03bbd3aad11eddfce524a5c9ba9b3 Mon Sep 17 00:00:00 2001

     2 From: Khem Raj <raj.khem@gmail.com>

     3 Date: Fri, 22 Jan 2010 13:00:20 +0100

     4 Subject: [PATCH 03/15] Make use of macros from sys/asm.h in crt1.S

     5 

     6 Needed for mips nptl to boot once again.

     7 (cherry picked from commit 9c343fd4030dcd7a52616f365893177dded50346)

     8 

     9 Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

    10 ---

    11  libc/sysdeps/linux/mips/crt1.S |   46 +++++++++++----------------------------

    12  1 files changed, 13 insertions(+), 33 deletions(-)

    13 

    14 diff --git a/libc/sysdeps/linux/mips/crt1.S b/libc/sysdeps/linux/mips/crt1.S

    15 index e851d52..6a80412 100644

    16 --- a/libc/sysdeps/linux/mips/crt1.S

    17 +++ b/libc/sysdeps/linux/mips/crt1.S

    18 @@ -85,29 +85,10 @@

    19  

    20  __start:

    21  #ifdef __PIC__

    22 -#if _MIPS_SIM == _MIPS_SIM_ABI32

    23 -	.frame	sp, 24, sp

    24 -        .set noreorder

    25 -	move $0, $31		/* Save old ra.  */

    26 -	bal 10f			/* Find addr of cpload.  */

    27 -        nop

    28 -10:

    29 -	.cpload $31

    30 -	move $31, $0

    31 -	.set reorder

    32 -	.cprestore 16

    33 -#else

    34 -	move $0, $31; /* Save old ra.  */

    35 -	.set noreorder

    36 -	bal 10f /* Find addr of .cpsetup.  */

    37 -	nop

    38 -10:

    39 -	.set reorder

    40 -	.cpsetup $31, $25, 10b

    41 -	move $31, $0

    42 -#endif

    43 +	SETUP_GPX($0)

    44 +	SETUP_GPX64($25,$0)

    45  #else

    46 -	la $28, _gp             /* Setup GP correctly if we're non-PIC.  */

    47 +	PTR_LA $28, _gp             /* Setup GP correctly if we're non-PIC.  */

    48  	move $31, $0

    49  #endif

    50  

    51 @@ -118,18 +99,18 @@ __start:

    52  	/* Allocate space on the stack for seven arguments and

    53  	 * make sure the stack is aligned to double words (8 bytes) */

    54  

    55 +	and $29, -2 * SZREG

    56 +

    57  #if _MIPS_SIM == _MIPS_SIM_ABI32

    58 -	and $29, -2 * 4

    59 -	subu $29, 32

    60 -	la $7, _init		/* init */

    61 -	la $8, _fini

    62 -	sw $8, 16($29)		/* fini */

    63 -	sw $2, 20($29)		/* rtld_fini */

    64 -	sw $29, 24($29)		/* stack_end */

    65 -#else

    66 -	and $29, -2 * PTRSIZE

    67 +	PTR_SUBIU $29, 32

    68 +#endif

    69  	PTR_LA $7, _init		/* init */

    70 -	PTR_LA $8, _fini		/* fini */

    71 +	PTR_LA $8, _fini

    72 +#if _MIPS_SIM == _MIPS_SIM_ABI32

    73 +	PTR_S $8, 16($29)		/* fini */

    74 +	PTR_S $2, 20($29)		/* rtld_fini */

    75 +	PTR_S $29, 24($29)		/* stack_end */

    76 +#else

    77  	move $9, $2		/* rtld_fini */

    78  	move $10, $29		/* stack_end */

    79  #endif

    80 @@ -148,4 +129,3 @@ __data_start:

    81  	.weak data_start

    82  	data_start = __data_start

    83  

    84 -

    85 -- 

    86 1.6.6.1

    87
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