cregit-Linux how code gets into the kernel

Release 4.14 arch/powerpc/kernel/ppc32.h

#ifndef _PPC64_PPC32_H

#define _PPC64_PPC32_H

#include <linux/compat.h>
#include <asm/siginfo.h>
#include <asm/signal.h>

/*
 * Data types and macros for providing 32b PowerPC support.
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

/* These are here to support 32-bit syscalls on a 64-bit kernel. */


struct pt_regs32 {
	
unsigned int gpr[32];
	
unsigned int nip;
	
unsigned int msr;
	
unsigned int orig_gpr3;		/* Used for restarting system calls */
	
unsigned int ctr;
	
unsigned int link;
	
unsigned int xer;
	
unsigned int ccr;
	
unsigned int mq;		/* 601 only (not used at present) */
	
unsigned int trap;		/* Reason for being here */
	
unsigned int dar;		/* Fault registers */
	
unsigned int dsisr;
	
unsigned int result;		/* Result of a system call */
};


struct sigcontext32 {
	
unsigned int	_unused[4];
	
int		signal;
	
compat_uptr_t	handler;
	
unsigned int	oldmask;
	
compat_uptr_t	regs;  /* 4 byte pointer to the pt_regs32 structure. */
};


struct mcontext32 {
	
elf_gregset_t32		mc_gregs;
	
elf_fpregset_t		mc_fregs;
	
unsigned int		mc_pad[2];
	
elf_vrregset_t32	mc_vregs __attribute__((__aligned__(16)));
	
elf_vsrreghalf_t32      mc_vsregs __attribute__((__aligned__(16)));
};


struct ucontext32 { 
	
unsigned int	  	uc_flags;
	
unsigned int 	  	uc_link;
	
compat_stack_t	 	uc_stack;
	
int		 	uc_pad[7];
	
compat_uptr_t		uc_regs;	/* points to uc_mcontext field */
	
compat_sigset_t	 	uc_sigmask;	/* mask last for extensibility */
	/* glibc has 1024-bit signal masks, ours are 64-bit */
	
int		 	uc_maskext[30];
	
int		 	uc_pad2[3];
	
struct mcontext32	uc_mcontext;
};

#endif  /* _PPC64_PPC32_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Stephen Rothwell6834.00%225.00%
Anton Blanchard6331.50%337.50%
Andrew Morton5628.00%112.50%
Michael Neuling126.00%112.50%
Al Viro10.50%112.50%
Total200100.00%8100.00%
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