Commit 608f8b3cf3a7fbd009e6bf78e680ea04e6a4e46f
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powerpc: merge sigcontext.h
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Showing 3 changed files with 52 additions and 62 deletions Side-by-side Diff
include/asm-powerpc/sigcontext.h
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 */ |
include/asm-ppc/sigcontext.h
1 | -#ifndef _ASM_PPC_SIGCONTEXT_H | |
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 |
include/asm-ppc64/sigcontext.h
1 | -#ifndef _ASM_PPC64_SIGCONTEXT_H | |
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 */ |