47906dd9e6
Tidy the ptrace interface code. Removed a bunch of unused macros. Started converting register sets from arrays of longs to structures. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Cc: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
#include <stdio.h>
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#include <stddef.h>
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#include <signal.h>
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#include <sys/poll.h>
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#include <sys/mman.h>
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#include <sys/user.h>
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#define __FRAME_OFFSETS
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#include <asm/ptrace.h>
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#include <asm/types.h>
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#define DEFINE(sym, val) \
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asm volatile("\n->" #sym " %0 " #val : : "i" (val))
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#define DEFINE_LONGS(sym, val) \
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asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))
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#define OFFSET(sym, str, mem) \
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DEFINE(sym, offsetof(struct str, mem));
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void foo(void)
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{
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OFFSET(HOST_SC_CR2, sigcontext, cr2);
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OFFSET(HOST_SC_ERR, sigcontext, err);
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OFFSET(HOST_SC_TRAPNO, sigcontext, trapno);
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DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
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DEFINE_LONGS(HOST_RBX, RBX);
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DEFINE_LONGS(HOST_RCX, RCX);
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DEFINE_LONGS(HOST_RDI, RDI);
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DEFINE_LONGS(HOST_RSI, RSI);
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DEFINE_LONGS(HOST_RDX, RDX);
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DEFINE_LONGS(HOST_RBP, RBP);
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DEFINE_LONGS(HOST_RAX, RAX);
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DEFINE_LONGS(HOST_R8, R8);
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DEFINE_LONGS(HOST_R9, R9);
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DEFINE_LONGS(HOST_R10, R10);
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DEFINE_LONGS(HOST_R11, R11);
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DEFINE_LONGS(HOST_R12, R12);
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DEFINE_LONGS(HOST_R13, R13);
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DEFINE_LONGS(HOST_R14, R14);
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DEFINE_LONGS(HOST_R15, R15);
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DEFINE_LONGS(HOST_ORIG_RAX, ORIG_RAX);
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DEFINE_LONGS(HOST_CS, CS);
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DEFINE_LONGS(HOST_SS, SS);
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DEFINE_LONGS(HOST_EFLAGS, EFLAGS);
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#if 0
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DEFINE_LONGS(HOST_FS, FS);
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DEFINE_LONGS(HOST_GS, GS);
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DEFINE_LONGS(HOST_DS, DS);
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DEFINE_LONGS(HOST_ES, ES);
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#endif
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DEFINE_LONGS(HOST_IP, RIP);
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DEFINE_LONGS(HOST_SP, RSP);
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DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
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/* XXX Duplicated between i386 and x86_64 */
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DEFINE(UM_POLLIN, POLLIN);
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DEFINE(UM_POLLPRI, POLLPRI);
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DEFINE(UM_POLLOUT, POLLOUT);
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DEFINE(UM_PROT_READ, PROT_READ);
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DEFINE(UM_PROT_WRITE, PROT_WRITE);
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DEFINE(UM_PROT_EXEC, PROT_EXEC);
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}
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