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Roland McGrath bdf88217b7 x86: user_regset header ... The new header <linux/regset.h> defines the types struct user_regset and struct user_regset_view, with some associated declarations. This new set of interfaces will become the standard way for arch code to expose user-mode machine-specific state. A single set of entry points into arch code can do all the low-level work in one place to fill the needs of core dumps, ptrace, and any other user-mode debugging facilities that might come along in the future. For existing arch code to adapt to the user_regset interfaces, each arch can work from the code it already has to support core files and ptrace. The formats you want for user_regset are the core file formats. The only wrinkle in adapting old ptrace implementation code as user_regset get and set functions is that these functions can be called on current as well as on another task_struct that is stopped and switched out as for ptrace. For some kinds of machine state, you may have to load it directly from CPU registers or otherwise differently for current than for another thread. (Your core dump support already handles this in elf_core_copy_regs for current and elf_core_copy_task_regs for other tasks, so just check there.) The set function should also be made to work on current in case that entails some special cases, though this was never required before for ptrace. Adding this flexibility covers the arch needs to open the door to more sophisticated new debugging facilities that don't always need to context-switch to do every little thing. The copyin/copyout helper functions (in a later patch) relieve the arch code of most of the cumbersome details of the flexible get/set interfaces. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>		17 years ago
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acpi	x86: dummy placeholder for acpi/reboot.h	17 years ago
asm-alpha	…
asm-arm	ext4: Add ext4_find_next_bit()	17 years ago
asm-avr32	…
asm-blackfin	…
asm-cris	…
asm-frv	…
asm-generic	Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild	17 years ago
asm-h8300	…
asm-ia64	…
asm-m32r	core: remove last users of empty FASTCALL macro	17 years ago
asm-m68k	ext4: Add ext4_find_next_bit()	17 years ago
asm-m68knommu	ext4: Add ext4_find_next_bit()	17 years ago
asm-mips	[MIPS] Malta, Atlas: move an extern function declaration to the header file	17 years ago
asm-parisc	…
asm-powerpc	powerpc: arch_has_single_step	17 years ago
asm-ppc	…
asm-s390	ext4: Add ext4_find_next_bit()	17 years ago
asm-sh	…
asm-sparc	…
asm-sparc64	…
asm-um	uml: add asm-um/asm.h	17 years ago
asm-v850	…
asm-x86	x86: unify module_{32|64}.h	17 years ago
asm-xtensa	…
crypto	…
keys	…
linux	x86: user_regset header	17 years ago
math-emu	…
media	…
mtd	…
net	[NET_SCHED]: act_api: use PTR_ERR in tcf_action_init/tcf_action_get	17 years ago
pcmcia	…
rdma	…
rxrpc	…
scsi	…
sound	…
video	…
xen	…
Kbuild	…