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60 lines
1.5 KiB
60 lines
1.5 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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#ifndef _PPC64_PPC32_H |
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#define _PPC64_PPC32_H |
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#include <linux/compat.h> |
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#include <asm/siginfo.h> |
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#include <asm/signal.h> |
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/* |
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* Data types and macros for providing 32b PowerPC support. |
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*/ |
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/* These are here to support 32-bit syscalls on a 64-bit kernel. */ |
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struct pt_regs32 { |
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unsigned int gpr[32]; |
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unsigned int nip; |
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unsigned int msr; |
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unsigned int orig_gpr3; /* Used for restarting system calls */ |
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unsigned int ctr; |
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unsigned int link; |
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unsigned int xer; |
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unsigned int ccr; |
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unsigned int mq; /* 601 only (not used at present) */ |
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unsigned int trap; /* Reason for being here */ |
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unsigned int dar; /* Fault registers */ |
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unsigned int dsisr; |
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unsigned int result; /* Result of a system call */ |
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}; |
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struct sigcontext32 { |
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unsigned int _unused[4]; |
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int signal; |
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compat_uptr_t handler; |
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unsigned int oldmask; |
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compat_uptr_t regs; /* 4 byte pointer to the pt_regs32 structure. */ |
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}; |
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struct mcontext32 { |
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elf_gregset_t32 mc_gregs; |
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elf_fpregset_t mc_fregs; |
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unsigned int mc_pad[2]; |
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elf_vrregset_t32 mc_vregs __attribute__((__aligned__(16))); |
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elf_vsrreghalf_t32 mc_vsregs __attribute__((__aligned__(16))); |
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}; |
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struct ucontext32 { |
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unsigned int uc_flags; |
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unsigned int uc_link; |
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compat_stack_t uc_stack; |
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int uc_pad[7]; |
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compat_uptr_t uc_regs; /* points to uc_mcontext field */ |
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compat_sigset_t uc_sigmask; /* mask last for extensibility */ |
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/* glibc has 1024-bit signal masks, ours are 64-bit */ |
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int uc_maskext[30]; |
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int uc_pad2[3]; |
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struct mcontext32 uc_mcontext; |
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}; |
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#endif /* _PPC64_PPC32_H */
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