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12 Commits

Author SHA1 Message Date
Dmitriy Ivanov
0f47d9c1ce Fix unused DT entry warnings. 
DT_STRSZ Implement strtab boundary checks
 DT_FLAGS_1 Warn if flags other than DF_1_NOW|DF_1_GLOBAL are set

Bug: 17552334
Bug: 18186310

(cherry picked from commit 6cdeb5234d7f4523fe9d83974f265d80f10512a6)

Change-Id: I7ffc7bc600798308a77ad949a644949b64250ae2
 2014-10-31 17:03:59 -07:00
Dmitriy Ivanov
bd321c1106 Run constructors before resolving ifunc functions 
Bug: 17177284

(cherry picked from commit 9598b8c415e2fa9f240508185fe8c964b83f538d)

Change-Id: I2c9631ee1cd77f8cf95ec0216a35b605c8786454
 2014-10-01 15:51:47 -07:00
Brigid Smith
31b88da843 Added test for ifunc support in dynamic linker. 
ifuncs now work in i386 and x86_64 when called in the same library as
well as in a different library.

Bug:6657325
(cherry picked from commit c5a13efa9bc4264be0a9a9e37c00633af01584ed)

Change-Id: I321d780bc2f9bd1baa749e1acacd2683aefe827b
 2014-10-01 15:50:38 -07:00
Elliott Hughes
10cf0d8c1f EM_ARM and EM_AARCH64 are now in the uapi header. 
Change-Id: Ice73403daff75ea45b24e02351269f6c012df6c1
 2014-07-11 11:01:42 -07:00
Elliott Hughes
0266ae5f88 Switch <elf.h> over to linux uapi under the covers. 
Remove the linker's reliance on BSD cruft and use the glibc-style
ElfW macro. (Other code too, but the linker contains the majority
of the code that needs to work for Elf32 and Elf64.)

All platforms need dl_iterate_phdr_static, so it doesn't make sense
to have that part of the per-architecture configuration.

Bug: 12476126
Change-Id: I1d7f918f1303a392794a6cd8b3512ff56bd6e487
 2014-02-10 18:22:24 -08:00
Elliott Hughes
1272dbd1d7 Add NT_PRSTATUS to <elf.h>. 
Needed by aarch64.

Bug: 12476126
Change-Id: I7764664459a06cf4f2a60e707bd968d321a78430
 2014-01-09 15:45:07 -08:00
Elliott Hughes
c620059479 Remove 32-bit assumptions from the ELF code. 
Change-Id: I2c1f3d34c33685799aade8866eec44479ff9f963
 2013-09-30 18:43:46 -07:00
Nick Kralevich
2c5153b043 libc: add getauxval() 
Add support for getauxval().  This method allows a program an easy way
to retrieve information from the kernel auxiliary vector, and will
hopefully replace other clumsy ways of accessing this same information.

This particular function was also added to glibc in glibc 2.16.
See the following URLs for more details.

  * http://lwn.net/Articles/519085/
  * http://www.gnu.org/software/libc/manual/html_node/Auxiliary-Vector.html

This change is a prerequisite for bug 7959813.

Bug: http://code.google.com/p/android/issues/detail?id=38441
Change-Id: Iba19d899df334bddc6f4899077ece2fc87564ea8
 2013-01-11 16:44:15 -08:00
Nick Kralevich
67e7a93844 Eliminate duplicate constants 
include/elf.h contains basically the same values as
linux/auxvec.h. Eliminate dups.

include/sys/exec_elf.h contains basically the same
values as linux/elf.h. Eliminate dups.

Change-Id: I66b8358161bb52223bb657f8f73ba28b324f4fa3
 2012-02-29 11:21:53 -08:00
The Android Open Source Project
1dc9e472e1 auto import from //depot/cupcake/@135843 2009-03-03 19:28:35 -08:00
The Android Open Source Project
1767f908af auto import from //depot/cupcake/@135843 2009-03-03 18:28:13 -08:00
The Android Open Source Project
a27d2baa0c Initial Contribution 2008-10-21 07:00:00 -07:00