| 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 | } |