Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Generate definitions needed by assembly language modules. |
| 3 | * This code generates raw asm output which is post-processed |
| 4 | * to extract and format the required data. |
| 5 | */ |
| 6 | |
| 7 | #include <linux/sched.h> |
| 8 | #include <linux/signal.h> |
| 9 | #include <linux/personality.h> |
| 10 | #include <linux/suspend.h> |
| 11 | #include <asm/ucontext.h> |
| 12 | #include "sigframe.h" |
| 13 | #include <asm/fixmap.h> |
| 14 | #include <asm/processor.h> |
| 15 | #include <asm/thread_info.h> |
| 16 | |
| 17 | #define DEFINE(sym, val) \ |
| 18 | asm volatile("\n->" #sym " %0 " #val : : "i" (val)) |
| 19 | |
| 20 | #define BLANK() asm volatile("\n->" : : ) |
| 21 | |
| 22 | #define OFFSET(sym, str, mem) \ |
| 23 | DEFINE(sym, offsetof(struct str, mem)); |
| 24 | |
| 25 | void foo(void) |
| 26 | { |
| 27 | OFFSET(SIGCONTEXT_eax, sigcontext, eax); |
| 28 | OFFSET(SIGCONTEXT_ebx, sigcontext, ebx); |
| 29 | OFFSET(SIGCONTEXT_ecx, sigcontext, ecx); |
| 30 | OFFSET(SIGCONTEXT_edx, sigcontext, edx); |
| 31 | OFFSET(SIGCONTEXT_esi, sigcontext, esi); |
| 32 | OFFSET(SIGCONTEXT_edi, sigcontext, edi); |
| 33 | OFFSET(SIGCONTEXT_ebp, sigcontext, ebp); |
| 34 | OFFSET(SIGCONTEXT_esp, sigcontext, esp); |
| 35 | OFFSET(SIGCONTEXT_eip, sigcontext, eip); |
| 36 | BLANK(); |
| 37 | |
| 38 | OFFSET(CPUINFO_x86, cpuinfo_x86, x86); |
| 39 | OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor); |
| 40 | OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model); |
| 41 | OFFSET(CPUINFO_x86_mask, cpuinfo_x86, x86_mask); |
| 42 | OFFSET(CPUINFO_hard_math, cpuinfo_x86, hard_math); |
| 43 | OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level); |
| 44 | OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability); |
| 45 | OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id); |
| 46 | BLANK(); |
| 47 | |
| 48 | OFFSET(TI_task, thread_info, task); |
| 49 | OFFSET(TI_exec_domain, thread_info, exec_domain); |
| 50 | OFFSET(TI_flags, thread_info, flags); |
| 51 | OFFSET(TI_status, thread_info, status); |
| 52 | OFFSET(TI_cpu, thread_info, cpu); |
| 53 | OFFSET(TI_preempt_count, thread_info, preempt_count); |
| 54 | OFFSET(TI_addr_limit, thread_info, addr_limit); |
| 55 | OFFSET(TI_restart_block, thread_info, restart_block); |
| 56 | BLANK(); |
| 57 | |
| 58 | OFFSET(EXEC_DOMAIN_handler, exec_domain, handler); |
| 59 | OFFSET(RT_SIGFRAME_sigcontext, rt_sigframe, uc.uc_mcontext); |
| 60 | BLANK(); |
| 61 | |
| 62 | OFFSET(pbe_address, pbe, address); |
| 63 | OFFSET(pbe_orig_address, pbe, orig_address); |
| 64 | OFFSET(pbe_next, pbe, next); |
| 65 | |
| 66 | /* Offset from the sysenter stack to tss.esp0 */ |
| 67 | DEFINE(TSS_sysenter_esp0, offsetof(struct tss_struct, esp0) - |
| 68 | sizeof(struct tss_struct)); |
| 69 | |
| 70 | DEFINE(PAGE_SIZE_asm, PAGE_SIZE); |
| 71 | DEFINE(VSYSCALL_BASE, __fix_to_virt(FIX_VSYSCALL)); |
| 72 | } |