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[ARM] 5387/1: Add ptrace VFP support on ARM

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This patch adds ptrace support for setting and getting the VFP registers
using PTRACE_SETVFPREGS and PTRACE_GETVFPREGS. The user_vfp structure
defined in asm/user.h contains 32 double registers (to cover VFPv3 and
Neon hardware) and the FPSCR register.

Cc: Paul Brook <paul@codesourcery.com>
Cc: Daniel Jacobowitz <dan@codesourcery.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Catalin Marinas
2009-02-11 13:12:56 +01:00
committed by Russell King
parent f373e8c063
commit 3d1228ead6
7 changed files with 120 additions and 4 deletions
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2
arch/arm/include/asm/thread_info.h
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@@ -113,6 +113,8 @@ extern void iwmmxt_task_restore(struct thread_info *, void *);
extern void iwmmxt_task_release(struct thread_info *);
extern void iwmmxt_task_switch(struct thread_info *);
extern void vfp_sync_state(struct thread_info *thread);
#endif
/*