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 | |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 7 | #include <linux/crypto.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | #include <linux/sched.h> |
| 9 | #include <linux/signal.h> |
| 10 | #include <linux/personality.h> |
| 11 | #include <linux/suspend.h> |
| 12 | #include <asm/ucontext.h> |
| 13 | #include "sigframe.h" |
Jeremy Fitzhardinge | 9ce8c2e | 2007-05-02 19:27:16 +0200 | [diff] [blame] | 14 | #include <asm/pgtable.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | #include <asm/fixmap.h> |
| 16 | #include <asm/processor.h> |
| 17 | #include <asm/thread_info.h> |
Ingo Molnar | e6e5494 | 2006-06-27 02:53:50 -0700 | [diff] [blame] | 18 | #include <asm/elf.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | |
| 20 | #define DEFINE(sym, val) \ |
| 21 | asm volatile("\n->" #sym " %0 " #val : : "i" (val)) |
| 22 | |
| 23 | #define BLANK() asm volatile("\n->" : : ) |
| 24 | |
| 25 | #define OFFSET(sym, str, mem) \ |
| 26 | DEFINE(sym, offsetof(struct str, mem)); |
| 27 | |
Adrian Bunk | 2714221 | 2007-05-02 19:27:08 +0200 | [diff] [blame] | 28 | /* workaround for a warning with -Wmissing-prototypes */ |
| 29 | void foo(void); |
| 30 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | void foo(void) |
| 32 | { |
| 33 | OFFSET(SIGCONTEXT_eax, sigcontext, eax); |
| 34 | OFFSET(SIGCONTEXT_ebx, sigcontext, ebx); |
| 35 | OFFSET(SIGCONTEXT_ecx, sigcontext, ecx); |
| 36 | OFFSET(SIGCONTEXT_edx, sigcontext, edx); |
| 37 | OFFSET(SIGCONTEXT_esi, sigcontext, esi); |
| 38 | OFFSET(SIGCONTEXT_edi, sigcontext, edi); |
| 39 | OFFSET(SIGCONTEXT_ebp, sigcontext, ebp); |
| 40 | OFFSET(SIGCONTEXT_esp, sigcontext, esp); |
| 41 | OFFSET(SIGCONTEXT_eip, sigcontext, eip); |
| 42 | BLANK(); |
| 43 | |
| 44 | OFFSET(CPUINFO_x86, cpuinfo_x86, x86); |
| 45 | OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor); |
| 46 | OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model); |
| 47 | OFFSET(CPUINFO_x86_mask, cpuinfo_x86, x86_mask); |
| 48 | OFFSET(CPUINFO_hard_math, cpuinfo_x86, hard_math); |
| 49 | OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level); |
| 50 | OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability); |
| 51 | OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id); |
| 52 | BLANK(); |
| 53 | |
| 54 | OFFSET(TI_task, thread_info, task); |
| 55 | OFFSET(TI_exec_domain, thread_info, exec_domain); |
| 56 | OFFSET(TI_flags, thread_info, flags); |
| 57 | OFFSET(TI_status, thread_info, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | OFFSET(TI_preempt_count, thread_info, preempt_count); |
| 59 | OFFSET(TI_addr_limit, thread_info, addr_limit); |
| 60 | OFFSET(TI_restart_block, thread_info, restart_block); |
Ingo Molnar | e6e5494 | 2006-06-27 02:53:50 -0700 | [diff] [blame] | 61 | OFFSET(TI_sysenter_return, thread_info, sysenter_return); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | BLANK(); |
| 63 | |
Stas Sergeev | be44d2a | 2006-12-07 02:14:01 +0100 | [diff] [blame] | 64 | OFFSET(GDS_size, Xgt_desc_struct, size); |
| 65 | OFFSET(GDS_address, Xgt_desc_struct, address); |
| 66 | OFFSET(GDS_pad, Xgt_desc_struct, pad); |
| 67 | BLANK(); |
| 68 | |
Jeremy Fitzhardinge | eb5b7b9 | 2006-12-07 02:14:02 +0100 | [diff] [blame] | 69 | OFFSET(PT_EBX, pt_regs, ebx); |
| 70 | OFFSET(PT_ECX, pt_regs, ecx); |
| 71 | OFFSET(PT_EDX, pt_regs, edx); |
| 72 | OFFSET(PT_ESI, pt_regs, esi); |
| 73 | OFFSET(PT_EDI, pt_regs, edi); |
| 74 | OFFSET(PT_EBP, pt_regs, ebp); |
| 75 | OFFSET(PT_EAX, pt_regs, eax); |
| 76 | OFFSET(PT_DS, pt_regs, xds); |
| 77 | OFFSET(PT_ES, pt_regs, xes); |
Jeremy Fitzhardinge | 464d1a7 | 2007-02-13 13:26:20 +0100 | [diff] [blame] | 78 | OFFSET(PT_FS, pt_regs, xfs); |
Jeremy Fitzhardinge | eb5b7b9 | 2006-12-07 02:14:02 +0100 | [diff] [blame] | 79 | OFFSET(PT_ORIG_EAX, pt_regs, orig_eax); |
| 80 | OFFSET(PT_EIP, pt_regs, eip); |
| 81 | OFFSET(PT_CS, pt_regs, xcs); |
| 82 | OFFSET(PT_EFLAGS, pt_regs, eflags); |
| 83 | OFFSET(PT_OLDESP, pt_regs, esp); |
| 84 | OFFSET(PT_OLDSS, pt_regs, xss); |
| 85 | BLANK(); |
| 86 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | OFFSET(EXEC_DOMAIN_handler, exec_domain, handler); |
| 88 | OFFSET(RT_SIGFRAME_sigcontext, rt_sigframe, uc.uc_mcontext); |
| 89 | BLANK(); |
| 90 | |
| 91 | OFFSET(pbe_address, pbe, address); |
| 92 | OFFSET(pbe_orig_address, pbe, orig_address); |
| 93 | OFFSET(pbe_next, pbe, next); |
| 94 | |
| 95 | /* Offset from the sysenter stack to tss.esp0 */ |
Rusty Russell | a75c54f | 2007-05-02 19:27:13 +0200 | [diff] [blame] | 96 | DEFINE(TSS_sysenter_esp0, offsetof(struct tss_struct, x86_tss.esp0) - |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | sizeof(struct tss_struct)); |
| 98 | |
| 99 | DEFINE(PAGE_SIZE_asm, PAGE_SIZE); |
Jeremy Fitzhardinge | 9ce8c2e | 2007-05-02 19:27:16 +0200 | [diff] [blame] | 100 | DEFINE(PAGE_SHIFT_asm, PAGE_SHIFT); |
| 101 | DEFINE(PTRS_PER_PTE, PTRS_PER_PTE); |
| 102 | DEFINE(PTRS_PER_PMD, PTRS_PER_PMD); |
| 103 | DEFINE(PTRS_PER_PGD, PTRS_PER_PGD); |
| 104 | |
Andrew Morton | 1b523fb | 2007-05-02 19:27:09 +0200 | [diff] [blame] | 105 | DEFINE(VDSO_PRELINK_asm, VDSO_PRELINK); |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 106 | |
| 107 | OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx); |
Jeremy Fitzhardinge | b2938f8 | 2006-12-07 02:14:03 +0100 | [diff] [blame] | 108 | |
Rusty Russell | d3561b7 | 2006-12-07 02:14:07 +0100 | [diff] [blame] | 109 | #ifdef CONFIG_PARAVIRT |
| 110 | BLANK(); |
| 111 | OFFSET(PARAVIRT_enabled, paravirt_ops, paravirt_enabled); |
| 112 | OFFSET(PARAVIRT_irq_disable, paravirt_ops, irq_disable); |
| 113 | OFFSET(PARAVIRT_irq_enable, paravirt_ops, irq_enable); |
| 114 | OFFSET(PARAVIRT_irq_enable_sysexit, paravirt_ops, irq_enable_sysexit); |
| 115 | OFFSET(PARAVIRT_iret, paravirt_ops, iret); |
| 116 | OFFSET(PARAVIRT_read_cr0, paravirt_ops, read_cr0); |
| 117 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | } |