98 lines
3.0 KiB
C
98 lines
3.0 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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#define __FRAME_OFFSETS
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#include <asm/ptrace.h>
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#include <asm/types.h>
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/* For some reason, x86_64 defines u64 and u32 only in <pci/types.h>, which I
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* refuse to include here, even though they're used throughout the headers.
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* These are used in asm/user.h, and that include can't be avoided because of
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* the sizeof(struct user_regs_struct) below.
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*/
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typedef __u64 u64;
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typedef __u32 u32;
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#include <asm/user.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_RBX, sigcontext, rbx);
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OFFSET(HOST_SC_RCX, sigcontext, rcx);
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OFFSET(HOST_SC_RDX, sigcontext, rdx);
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OFFSET(HOST_SC_RSI, sigcontext, rsi);
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OFFSET(HOST_SC_RDI, sigcontext, rdi);
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OFFSET(HOST_SC_RBP, sigcontext, rbp);
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OFFSET(HOST_SC_RAX, sigcontext, rax);
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OFFSET(HOST_SC_R8, sigcontext, r8);
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OFFSET(HOST_SC_R9, sigcontext, r9);
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OFFSET(HOST_SC_R10, sigcontext, r10);
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OFFSET(HOST_SC_R11, sigcontext, r11);
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OFFSET(HOST_SC_R12, sigcontext, r12);
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OFFSET(HOST_SC_R13, sigcontext, r13);
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OFFSET(HOST_SC_R14, sigcontext, r14);
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OFFSET(HOST_SC_R15, sigcontext, r15);
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OFFSET(HOST_SC_IP, sigcontext, rip);
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OFFSET(HOST_SC_SP, sigcontext, rsp);
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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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OFFSET(HOST_SC_CS, sigcontext, cs);
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OFFSET(HOST_SC_FS, sigcontext, fs);
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OFFSET(HOST_SC_GS, sigcontext, gs);
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OFFSET(HOST_SC_EFLAGS, sigcontext, eflags);
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OFFSET(HOST_SC_SIGMASK, sigcontext, oldmask);
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#if 0
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OFFSET(HOST_SC_ORIG_RAX, sigcontext, orig_rax);
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OFFSET(HOST_SC_DS, sigcontext, ds);
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OFFSET(HOST_SC_ES, sigcontext, es);
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OFFSET(HOST_SC_SS, sigcontext, ss);
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#endif
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DEFINE_LONGS(HOST_FRAME_SIZE, FRAME_SIZE);
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DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
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DEFINE(HOST_XFP_SIZE, 0);
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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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}
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