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53 lines
1.5 KiB
53 lines
1.5 KiB
20 years ago
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#include <stdio.h>
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#include <signal.h>
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#include <linux/stddef.h>
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#define SC_OFFSET(name, field) \
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printf("#define " name "(sc) *((unsigned long *) &(((char *) (sc))[%d]))\n",\
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offsetof(struct sigcontext, field))
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#define SC_FP_OFFSET(name, field) \
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printf("#define " name \
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"(sc) *((unsigned long *) &(((char *) (SC_FPSTATE(sc)))[%d]))\n",\
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offsetof(struct _fpstate, field))
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#define SC_FP_OFFSET_PTR(name, field, type) \
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printf("#define " name \
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"(sc) ((" type " *) &(((char *) (SC_FPSTATE(sc)))[%d]))\n",\
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offsetof(struct _fpstate, field))
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int main(int argc, char **argv)
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{
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SC_OFFSET("SC_IP", eip);
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SC_OFFSET("SC_SP", esp);
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SC_OFFSET("SC_FS", fs);
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SC_OFFSET("SC_GS", gs);
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SC_OFFSET("SC_DS", ds);
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SC_OFFSET("SC_ES", es);
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SC_OFFSET("SC_SS", ss);
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SC_OFFSET("SC_CS", cs);
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SC_OFFSET("SC_EFLAGS", eflags);
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SC_OFFSET("SC_EAX", eax);
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SC_OFFSET("SC_EBX", ebx);
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SC_OFFSET("SC_ECX", ecx);
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SC_OFFSET("SC_EDX", edx);
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SC_OFFSET("SC_EDI", edi);
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SC_OFFSET("SC_ESI", esi);
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SC_OFFSET("SC_EBP", ebp);
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SC_OFFSET("SC_TRAPNO", trapno);
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SC_OFFSET("SC_ERR", err);
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SC_OFFSET("SC_CR2", cr2);
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SC_OFFSET("SC_FPSTATE", fpstate);
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SC_OFFSET("SC_SIGMASK", oldmask);
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SC_FP_OFFSET("SC_FP_CW", cw);
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SC_FP_OFFSET("SC_FP_SW", sw);
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SC_FP_OFFSET("SC_FP_TAG", tag);
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SC_FP_OFFSET("SC_FP_IPOFF", ipoff);
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SC_FP_OFFSET("SC_FP_CSSEL", cssel);
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SC_FP_OFFSET("SC_FP_DATAOFF", dataoff);
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SC_FP_OFFSET("SC_FP_DATASEL", datasel);
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SC_FP_OFFSET_PTR("SC_FP_ST", _st, "struct _fpstate");
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SC_FP_OFFSET_PTR("SC_FXSR_ENV", _fxsr_env, "void");
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return(0);
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}
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