* to extract and format the required data.
*/
+#include <linux/crypto.h>
#include <linux/sched.h>
#include <linux/signal.h>
+#include <linux/personality.h>
+#include <linux/suspend.h>
#include <asm/ucontext.h>
#include "sigframe.h"
#include <asm/fixmap.h>
+#include <asm/processor.h>
+#include <asm/thread_info.h>
+#include <asm/elf.h>
#define DEFINE(sym, val) \
asm volatile("\n->" #sym " %0 " #val : : "i" (val))
#define BLANK() asm volatile("\n->" : : )
+#define OFFSET(sym, str, mem) \
+ DEFINE(sym, offsetof(struct str, mem));
+
void foo(void)
{
- DEFINE(SIGCONTEXT_eax, offsetof (struct sigcontext, eax));
- DEFINE(SIGCONTEXT_ebx, offsetof (struct sigcontext, ebx));
- DEFINE(SIGCONTEXT_ecx, offsetof (struct sigcontext, ecx));
- DEFINE(SIGCONTEXT_edx, offsetof (struct sigcontext, edx));
- DEFINE(SIGCONTEXT_esi, offsetof (struct sigcontext, esi));
- DEFINE(SIGCONTEXT_edi, offsetof (struct sigcontext, edi));
- DEFINE(SIGCONTEXT_ebp, offsetof (struct sigcontext, ebp));
- DEFINE(SIGCONTEXT_esp, offsetof (struct sigcontext, esp));
- DEFINE(SIGCONTEXT_eip, offsetof (struct sigcontext, eip));
+ OFFSET(SIGCONTEXT_eax, sigcontext, eax);
+ OFFSET(SIGCONTEXT_ebx, sigcontext, ebx);
+ OFFSET(SIGCONTEXT_ecx, sigcontext, ecx);
+ OFFSET(SIGCONTEXT_edx, sigcontext, edx);
+ OFFSET(SIGCONTEXT_esi, sigcontext, esi);
+ OFFSET(SIGCONTEXT_edi, sigcontext, edi);
+ OFFSET(SIGCONTEXT_ebp, sigcontext, ebp);
+ OFFSET(SIGCONTEXT_esp, sigcontext, esp);
+ OFFSET(SIGCONTEXT_eip, sigcontext, eip);
BLANK();
- DEFINE(RT_SIGFRAME_sigcontext,
- offsetof (struct rt_sigframe, uc.uc_mcontext));
+ OFFSET(CPUINFO_x86, cpuinfo_x86, x86);
+ OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor);
+ OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model);
+ OFFSET(CPUINFO_x86_mask, cpuinfo_x86, x86_mask);
+ OFFSET(CPUINFO_hard_math, cpuinfo_x86, hard_math);
+ OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level);
+ OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability);
+ OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id);
+ BLANK();
+
+ OFFSET(TI_task, thread_info, task);
+ OFFSET(TI_exec_domain, thread_info, exec_domain);
+ OFFSET(TI_flags, thread_info, flags);
+ OFFSET(TI_status, thread_info, status);
+ OFFSET(TI_cpu, thread_info, cpu);
+ OFFSET(TI_preempt_count, thread_info, preempt_count);
+ OFFSET(TI_addr_limit, thread_info, addr_limit);
+ OFFSET(TI_restart_block, thread_info, restart_block);
+ OFFSET(TI_sysenter_return, thread_info, sysenter_return);
+ BLANK();
+
+ OFFSET(EXEC_DOMAIN_handler, exec_domain, handler);
+ OFFSET(RT_SIGFRAME_sigcontext, rt_sigframe, uc.uc_mcontext);
+ BLANK();
+
+ OFFSET(pbe_address, pbe, address);
+ OFFSET(pbe_orig_address, pbe, orig_address);
+ OFFSET(pbe_next, pbe, next);
+
+#ifndef CONFIG_X86_NO_TSS
+ /* Offset from the sysenter stack to tss.esp0 */
+ DEFINE(SYSENTER_stack_esp0, offsetof(struct tss_struct, esp0) -
+ sizeof(struct tss_struct));
+#else
+ /* sysenter stack points directly to esp0 */
+ DEFINE(SYSENTER_stack_esp0, 0);
+#endif
DEFINE(PAGE_SIZE_asm, PAGE_SIZE);
+ DEFINE(VDSO_PRELINK, VDSO_PRELINK);
+
+ OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx);
}