diff options
| author | Al Viro <viro@ftp.linux.org.uk> | 2011-08-18 20:05:19 +0100 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2011-11-02 14:14:59 +0100 |
| commit | ab1c0cc7c96c17ea903ca6d3e42e7d2696b32b6c (patch) | |
| tree | 9a72e06cab7b6dd293b16048d2928695c935ea46 /arch/um/sys-x86/shared/sysdep/mcontext.h | |
| parent | 248b74c79ebb9fb55e146797a808836d90418c4b (diff) | |
um: finish conversion to mcontext_t
now we don't mix host and guest signal frame layouts anymore; moreover,
we don't need host's struct sigcontext at all.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'arch/um/sys-x86/shared/sysdep/mcontext.h')
| -rw-r--r-- | arch/um/sys-x86/shared/sysdep/mcontext.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/um/sys-x86/shared/sysdep/mcontext.h b/arch/um/sys-x86/shared/sysdep/mcontext.h new file mode 100644 index 00000000000..b724c54da31 --- /dev/null +++ b/arch/um/sys-x86/shared/sysdep/mcontext.h @@ -0,0 +1,31 @@ +/* + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ + +#ifndef __SYS_SIGCONTEXT_X86_H +#define __SYS_SIGCONTEXT_X86_H + +extern void get_regs_from_mc(struct uml_pt_regs *, mcontext_t *); + +#ifdef __i386__ + +#define GET_FAULTINFO_FROM_MC(fi, mc) \ + { \ + (fi).cr2 = (mc)->cr2; \ + (fi).error_code = (mc)->gregs[REG_ERR]; \ + (fi).trap_no = (mc)->gregs[REG_TRAPNO]; \ + } + +#else + +#define GET_FAULTINFO_FROM_MC(fi, mc) \ + { \ + (fi).cr2 = (mc)->gregs[REG_CR2]; \ + (fi).error_code = (mc)->gregs[REG_ERR]; \ + (fi).trap_no = (mc)->gregs[REG_TRAPNO]; \ + } + +#endif + +#endif |