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History log of /src/lib/libc/arch/arm/sys/brk.S
RevisionDateAuthorComments
 1.13  12-Sep-2013  joerg Pass PICFLAGS down to cc-as-as and use __PIC__ to decide if it is small
vs big PIC mode. Retire -DPIC and -DBIGPIC.
 1.12  03-Sep-2013  matt Use less got, add END(), make thumb tolerant.
 1.11  01-Aug-2013  matt CERROR is now hidden so no need to call it via the PLT
 1.10  01-Aug-2013  matt Make __minbrk, __curbrk, and CERROR hidden and avoid using the GOT to access
them.
 1.9  13-May-2011  nonaka branches: 1.9.4; 1.9.10;
Use "_end" instead of "end" for consistency with other architectures.
 1.8  21-Aug-2004  rearnsha branches: 1.8.16;
Use RET and RETc for returning.
 1.7  26-Dec-2003  martin Use an unsigned comparison against minbrk.
From Steve Woodford, inspired by a similar change to other archs from
OpenBSD.
 1.6  07-Aug-2003  agc Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22280, verified by myself.
 1.5  05-Apr-2003  bjh21 NetBSD/acorn26 has been using APCS-32 for years, so unifdef -U__APCS_26__.
 1.4  17-Aug-2002  thorpej Local label fixup.
 1.3  16-Jul-2001  matt Changes needed for ARM ELF shared library support.
 1.2  09-Jan-2001  bjh21 branches: 1.2.2;
Use SYSTRAP() everywhere rather than coding SWI instructions directly.
 1.1  29-Dec-2000  bjh21 Create shared ARM source for libc, and move arm26 port over to using it.
The code is (almost) a direct copy of the current arm26 sources.
It's identical to the current arm32 sources, with the following exceptions:
- _C_LABEL is used on references to C labels from assembler.
- Function returns in assembler have APCS-26 versions in #ifdef __APCS_26__.
- It uses SoftFloat 2a rather than SoftFloat 1a.

The first two of these should be inconsequential. I believe that SoftFloat 2a
should work on arm32 and be backward-compatible with existing code, but this
is not obviously true. For now, arm32 remains using its own bits of libc.
 1.2.2.2  27-Aug-2002  nathanw Catch up to -current.
 1.2.2.1  08-Oct-2001  nathanw Catch up to -current.
 1.8.16.1  28-Aug-2007  matt More thumb support
 1.9.10.1  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.9.4.1  22-May-2014  yamt sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs. ("Protocol error: too many arguments")

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