#ifndef _ASMARM_UCONTEXT_H #define _ASMARM_UCONTEXT_H #include <asm/fpstate.h> /* * struct sigcontext only has room for the basic registers, but struct * ucontext now has room for all registers which need to be saved and * restored. Coprocessor registers are stored in uc_regspace. Each * coprocessor's saved state should start with a documented 32-bit magic * number, followed by a 32-bit word giving the coproccesor's saved size. * uc_regspace may be expanded if necessary, although this takes some * coordination with glibc. */ struct ucontext { unsigned long uc_flags; struct ucontext *uc_link; stack_t uc_stack; struct sigcontext uc_mcontext; sigset_t uc_sigmask; /* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */ int __unused[32 - (sizeof (sigset_t) / sizeof (int))]; /* Last for extensibility. Eight byte aligned because some coprocessors require eight byte alignment. */ unsigned long uc_regspace[128] __attribute__((__aligned__(8))); }; #ifdef __KERNEL__ /* * Coprocessor save state. The magic values and specific * coprocessor's layouts are part of the userspace ABI. Each one of * these should be a multiple of eight bytes and aligned to eight * bytes, to prevent unpredictable padding in the signal frame. */ #ifdef CONFIG_CRUNCH #define CRUNCH_MAGIC 0x5065cf03 #define CRUNCH_STORAGE_SIZE (CRUNCH_SIZE + 8) struct crunch_sigframe { unsigned long magic; unsigned long size; struct crunch_state storage; } __attribute__((__aligned__(8))); #endif #ifdef CONFIG_IWMMXT /* iwmmxt_area is 0x98 bytes long, preceded by 8 bytes of signature */ #define IWMMXT_MAGIC 0x12ef842a #define IWMMXT_STORAGE_SIZE (IWMMXT_SIZE + 8) struct iwmmxt_sigframe { unsigned long magic; unsigned long size; struct iwmmxt_struct storage; } __attribute__((__aligned__(8))); #endif /* CONFIG_IWMMXT */ #ifdef CONFIG_VFP #define VFP_MAGIC 0x56465001 struct vfp_sigframe { unsigned long magic; unsigned long size; struct user_vfp ufp; struct user_vfp_exc ufp_exc; } __attribute__((__aligned__(8))); /* * 8 byte for magic and size, 264 byte for ufp, 12 bytes for ufp_exc, * 4 bytes padding. */ #define VFP_STORAGE_SIZE sizeof(struct vfp_sigframe) #endif /* CONFIG_VFP */ /* * Auxiliary signal frame. This saves stuff like FP state. * The layout of this structure is not part of the user ABI, * because the config options aren't. uc_regspace is really * one of these. */ struct aux_sigframe { #ifdef CONFIG_CRUNCH struct crunch_sigframe crunch; #endif #ifdef CONFIG_IWMMXT struct iwmmxt_sigframe iwmmxt; #endif #ifdef CONFIG_VFP struct vfp_sigframe vfp; #endif /* Something that isn't a valid magic number for any coprocessor. */ unsigned long end_magic; } __attribute__((__aligned__(8))); #endif #endif /* !_ASMARM_UCONTEXT_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Daniel Jacobowitz | 142 | 56.57% | 1 | 20.00% |
| Lennert Buytenhek | 48 | 19.12% | 1 | 20.00% |
| Linus Torvalds (pre-git) | 33 | 13.15% | 1 | 20.00% |
| Imre Deak | 27 | 10.76% | 1 | 20.00% |
| Lucas De Marchi | 1 | 0.40% | 1 | 20.00% |
| Total | 251 | 100.00% | 5 | 100.00% |