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b07f6b327e
linux/arch/m68k/kernel
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Maxim Kuvyrkov 00ebfe58b0 m68k: Define sigcontext ABI of ColdFire 
The following patch defines sigcontext ABI of ColdFire.  Due to ISA
restrictions ColdFire needs different rt_sigreturn trampoline.

And due to ColdFire FP registers being 8-bytes instead of 12-bytes on
m68k, sigcontext and fpregset structures should be updated.

Regarding the sc_fpstate[16+6*8] field, it would've been enough 16
bytes to store ColdFire's FP state.  To accomodate GLIBC's libSegFault
it would'be been enough 6*8 bytes (room for the 6 non-call-clobbered
FP registers).  I set it to 16+6*8 to provide some extra space for any
future changes in the ColdFire FPU.

Signed-off-by: Maxim Kuvyrkov <maxim@codesourcery.com>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2010-02-27 18:44:10 +01:00
..
.gitignore m68k: Add vmlinux.lds to .gitignore 2009-01-12 20:56:32 +01:00
asm-offsets.c locking, m68k/asm-offsets: Rename signal defines 2009-09-01 09:38:03 +02:00
dma.c m68k: Add missing dma_sync_single_range_for_{cpu,device}() 2008-10-14 10:23:27 -07:00
entry.S m68k: Add NPTL support 2010-02-27 18:31:19 +01:00
head.S kbuild: move autoconf.h to include/generated 2009-12-12 13:08:15 +01:00
ints.c m68k: Fix off-by-one in m68k_setup_user_interrupt() 2008-11-15 11:36:06 -08:00
m68k_ksyms.c
Makefile m68k: remove the dead PCI code 2008-10-14 10:23:27 -07:00
module.c module: cleanup FIXME comments about trimming exception table entries. 2009-06-12 21:47:05 +09:30
module.lds
process.c m68k: Add NPTL support 2010-02-27 18:31:19 +01:00
ptrace.c m68k: Add NPTL support 2010-02-27 18:31:19 +01:00
setup.c m68k: Kill several external declarations in source files 2009-01-12 20:56:34 +01:00
signal.c m68k: Define sigcontext ABI of ColdFire 2010-02-27 18:44:10 +01:00
sun3-head.S m68k: arch/m68k/kernel/sun3-head.S needs <linux/init.h> 2009-04-28 16:07:18 -07:00
sys_m68k.c m68k: Add NPTL support 2010-02-27 18:31:19 +01:00
time.c m68k: convert to use arch_gettimeoffset() 2009-09-22 07:17:43 -07:00
traps.c ptrace: remove PT_DTRACE from m68k, m68knommu 2009-06-18 13:03:48 -07:00
vmlinux-std.lds m68k: Cleanup linker scripts using new linker script macros. 2009-12-06 11:18:25 +01:00
vmlinux-sun3.lds m68k: Cleanup linker scripts using new linker script macros. 2009-12-06 11:18:25 +01:00
vmlinux.lds.S