71dc036247
Al's build tidying missed one bit from me - without this UML doesn't boot. Signed-off-by: Jeff Dike <jdike@addtoit.com> Acked-by: Al Viro <viro@ftp.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
#include <stdio.h>
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#include <signal.h>
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#include <asm/ptrace.h>
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#include <asm/user.h>
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#include <linux/stddef.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_IP, sigcontext, eip);
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OFFSET(HOST_SC_SP, sigcontext, esp);
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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_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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OFFSET(HOST_SC_CS, sigcontext, cs);
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OFFSET(HOST_SC_EFLAGS, sigcontext, eflags);
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OFFSET(HOST_SC_EAX, sigcontext, eax);
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OFFSET(HOST_SC_EBX, sigcontext, ebx);
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OFFSET(HOST_SC_ECX, sigcontext, ecx);
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OFFSET(HOST_SC_EDX, sigcontext, edx);
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OFFSET(HOST_SC_EDI, sigcontext, edi);
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OFFSET(HOST_SC_ESI, sigcontext, esi);
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OFFSET(HOST_SC_EBP, sigcontext, ebp);
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OFFSET(HOST_SC_TRAPNO, sigcontext, trapno);
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OFFSET(HOST_SC_ERR, sigcontext, err);
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OFFSET(HOST_SC_CR2, sigcontext, cr2);
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OFFSET(HOST_SC_FPSTATE, sigcontext, fpstate);
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OFFSET(HOST_SC_SIGMASK, sigcontext, oldmask);
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OFFSET(HOST_SC_FP_CW, _fpstate, cw);
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OFFSET(HOST_SC_FP_SW, _fpstate, sw);
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OFFSET(HOST_SC_FP_TAG, _fpstate, tag);
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OFFSET(HOST_SC_FP_IPOFF, _fpstate, ipoff);
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OFFSET(HOST_SC_FP_CSSEL, _fpstate, cssel);
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OFFSET(HOST_SC_FP_DATAOFF, _fpstate, dataoff);
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OFFSET(HOST_SC_FP_DATASEL, _fpstate, datasel);
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OFFSET(HOST_SC_FP_ST, _fpstate, _st);
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OFFSET(HOST_SC_FXSR_ENV, _fpstate, _fxsr_env);
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DEFINE(HOST_FRAME_SIZE, FRAME_SIZE);
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DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_i387_struct));
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DEFINE_LONGS(HOST_XFP_SIZE, sizeof(struct user_fxsr_struct));
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DEFINE(HOST_IP, EIP);
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DEFINE(HOST_SP, UESP);
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DEFINE(HOST_EFLAGS, EFL);
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DEFINE(HOST_EAX, EAX);
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DEFINE(HOST_EBX, EBX);
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DEFINE(HOST_ECX, ECX);
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DEFINE(HOST_EDX, EDX);
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DEFINE(HOST_ESI, ESI);
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DEFINE(HOST_EDI, EDI);
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DEFINE(HOST_EBP, EBP);
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DEFINE(HOST_CS, CS);
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DEFINE(HOST_SS, SS);
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DEFINE(HOST_DS, DS);
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DEFINE(HOST_FS, FS);
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DEFINE(HOST_ES, ES);
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DEFINE(HOST_GS, GS);
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DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
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}
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