Commit 608f8b3cf3a7fbd009e6bf78e680ea04e6a4e46f

Authored by Stephen Rothwell
1 parent 879168ee51

powerpc: merge sigcontext.h

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

Showing 3 changed files with 52 additions and 62 deletions Inline Diff

include/asm-powerpc/sigcontext.h
File was created 1 #ifndef _ASM_POWERPC_SIGCONTEXT_H
2 #define _ASM_POWERPC_SIGCONTEXT_H
3
4 /*
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version
8 * 2 of the License, or (at your option) any later version.
9 */
10 #include <linux/compiler.h>
11 #include <asm/ptrace.h>
12 #ifdef __powerpc64__
13 #include <asm/elf.h>
14 #endif
15
16 struct sigcontext {
17 unsigned long _unused[4];
18 int signal;
19 #ifdef __powerpc64__
20 int _pad0;
21 #endif
22 unsigned long handler;
23 unsigned long oldmask;
24 struct pt_regs __user *regs;
25 #ifdef __powerpc64__
26 elf_gregset_t gp_regs;
27 elf_fpregset_t fp_regs;
28 /*
29 * To maintain compatibility with current implementations the sigcontext is
30 * extended by appending a pointer (v_regs) to a quadword type (elf_vrreg_t)
31 * followed by an unstructured (vmx_reserve) field of 69 doublewords. This
32 * allows the array of vector registers to be quadword aligned independent of
33 * the alignment of the containing sigcontext or ucontext. It is the
34 * responsibility of the code setting the sigcontext to set this pointer to
35 * either NULL (if this processor does not support the VMX feature) or the
36 * address of the first quadword within the allocated (vmx_reserve) area.
37 *
38 * The pointer (v_regs) of vector type (elf_vrreg_t) is type compatible with
39 * an array of 34 quadword entries (elf_vrregset_t). The entries with
40 * indexes 0-31 contain the corresponding vector registers. The entry with
41 * index 32 contains the vscr as the last word (offset 12) within the
42 * quadword. This allows the vscr to be stored as either a quadword (since
43 * it must be copied via a vector register to/from storage) or as a word.
44 * The entry with index 33 contains the vrsave as the first word (offset 0)
45 * within the quadword.
46 */
47 elf_vrreg_t __user *v_regs;
48 long vmx_reserve[ELF_NVRREG+ELF_NVRREG+1];
49 #endif
50 };
51
52 #endif /* _ASM_POWERPC_SIGCONTEXT_H */
53
include/asm-ppc/sigcontext.h
1 #ifndef _ASM_PPC_SIGCONTEXT_H File was deleted
2 #define _ASM_PPC_SIGCONTEXT_H
3
4 #include <asm/ptrace.h>
5 #include <linux/compiler.h>
6
7 struct sigcontext {
8 unsigned long _unused[4];
9 int signal;
10 unsigned long handler;
11 unsigned long oldmask;
12 struct pt_regs __user *regs;
13 };
14
15 #endif
16 1 #ifndef _ASM_PPC_SIGCONTEXT_H
include/asm-ppc64/sigcontext.h
1 #ifndef _ASM_PPC64_SIGCONTEXT_H File was deleted
2 #define _ASM_PPC64_SIGCONTEXT_H
3
4 /*
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version
8 * 2 of the License, or (at your option) any later version.
9 */
10 #include <linux/compiler.h>
11 #include <asm/ptrace.h>
12 #include <asm/elf.h>
13
14
15 struct sigcontext {
16 unsigned long _unused[4];
17 int signal;
18 int _pad0;
19 unsigned long handler;
20 unsigned long oldmask;
21 struct pt_regs __user *regs;
22 elf_gregset_t gp_regs;
23 elf_fpregset_t fp_regs;
24 /*
25 * To maintain compatibility with current implementations the sigcontext is
26 * extended by appending a pointer (v_regs) to a quadword type (elf_vrreg_t)
27 * followed by an unstructured (vmx_reserve) field of 69 doublewords. This
28 * allows the array of vector registers to be quadword aligned independent of
29 * the alignment of the containing sigcontext or ucontext. It is the
30 * responsibility of the code setting the sigcontext to set this pointer to
31 * either NULL (if this processor does not support the VMX feature) or the
32 * address of the first quadword within the allocated (vmx_reserve) area.
33 *
34 * The pointer (v_regs) of vector type (elf_vrreg_t) is type compatible with
35 * an array of 34 quadword entries (elf_vrregset_t). The entries with
36 * indexes 0-31 contain the corresponding vector registers. The entry with
37 * index 32 contains the vscr as the last word (offset 12) within the
38 * quadword. This allows the vscr to be stored as either a quadword (since
39 * it must be copied via a vector register to/from storage) or as a word.
40 * The entry with index 33 contains the vrsave as the first word (offset 0)
41 * within the quadword.
42 */
43 elf_vrreg_t __user *v_regs;
44 long vmx_reserve[ELF_NVRREG+ELF_NVRREG+1];
45 };
46
47 #endif /* _ASM_PPC64_SIGCONTEXT_H */
48 1 #ifndef _ASM_PPC64_SIGCONTEXT_H