David Howells | 84e8cd6 | 2006-07-10 04:44:55 -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 <asm/registers.h> |
| 11 | #include <asm/ucontext.h> |
| 12 | #include <asm/processor.h> |
| 13 | #include <asm/thread_info.h> |
| 14 | #include <asm/gdb-stub.h> |
| 15 | |
| 16 | #define DEFINE(sym, val) \ |
| 17 | asm volatile("\n->" #sym " %0 " #val : : "i" (val)) |
| 18 | |
| 19 | #define DEF_PTREG(sym, reg) \ |
| 20 | asm volatile("\n->" #sym " %0 offsetof(struct pt_regs, " #reg ")" \ |
| 21 | : : "i" (offsetof(struct pt_regs, reg))) |
| 22 | |
| 23 | #define DEF_IREG(sym, reg) \ |
| 24 | asm volatile("\n->" #sym " %0 offsetof(struct user_context, " #reg ")" \ |
| 25 | : : "i" (offsetof(struct user_context, reg))) |
| 26 | |
| 27 | #define DEF_FREG(sym, reg) \ |
| 28 | asm volatile("\n->" #sym " %0 offsetof(struct user_context, " #reg ")" \ |
| 29 | : : "i" (offsetof(struct user_context, reg))) |
| 30 | |
| 31 | #define DEF_0REG(sym, reg) \ |
| 32 | asm volatile("\n->" #sym " %0 offsetof(struct frv_frame0, " #reg ")" \ |
| 33 | : : "i" (offsetof(struct frv_frame0, reg))) |
| 34 | |
| 35 | #define BLANK() asm volatile("\n->" : : ) |
| 36 | |
| 37 | #define OFFSET(sym, str, mem) \ |
| 38 | DEFINE(sym, offsetof(struct str, mem)); |
| 39 | |
| 40 | void foo(void) |
| 41 | { |
| 42 | /* offsets into the thread_info structure */ |
| 43 | OFFSET(TI_TASK, thread_info, task); |
| 44 | OFFSET(TI_EXEC_DOMAIN, thread_info, exec_domain); |
| 45 | OFFSET(TI_FLAGS, thread_info, flags); |
| 46 | OFFSET(TI_STATUS, thread_info, status); |
| 47 | OFFSET(TI_CPU, thread_info, cpu); |
| 48 | OFFSET(TI_PREEMPT_COUNT, thread_info, preempt_count); |
| 49 | OFFSET(TI_ADDR_LIMIT, thread_info, addr_limit); |
| 50 | OFFSET(TI_RESTART_BLOCK, thread_info, restart_block); |
| 51 | BLANK(); |
| 52 | |
| 53 | /* offsets into register file storage */ |
| 54 | DEF_PTREG(REG_PSR, psr); |
| 55 | DEF_PTREG(REG_ISR, isr); |
| 56 | DEF_PTREG(REG_CCR, ccr); |
| 57 | DEF_PTREG(REG_CCCR, cccr); |
| 58 | DEF_PTREG(REG_LR, lr); |
| 59 | DEF_PTREG(REG_LCR, lcr); |
| 60 | DEF_PTREG(REG_PC, pc); |
| 61 | DEF_PTREG(REG__STATUS, __status); |
| 62 | DEF_PTREG(REG_SYSCALLNO, syscallno); |
| 63 | DEF_PTREG(REG_ORIG_GR8, orig_gr8); |
| 64 | DEF_PTREG(REG_GNER0, gner0); |
| 65 | DEF_PTREG(REG_GNER1, gner1); |
| 66 | DEF_PTREG(REG_IACC0, iacc0); |
| 67 | DEF_PTREG(REG_TBR, tbr); |
| 68 | DEF_PTREG(REG_GR0, tbr); |
| 69 | DEFINE(REG__END, sizeof(struct pt_regs)); |
| 70 | BLANK(); |
| 71 | |
| 72 | DEF_0REG(REG_DCR, debug.dcr); |
| 73 | DEF_0REG(REG_IBAR0, debug.ibar[0]); |
| 74 | DEF_0REG(REG_DBAR0, debug.dbar[0]); |
| 75 | DEF_0REG(REG_DBDR00, debug.dbdr[0][0]); |
| 76 | DEF_0REG(REG_DBMR00, debug.dbmr[0][0]); |
| 77 | BLANK(); |
| 78 | |
| 79 | DEF_IREG(__INT_GR0, i.gr[0]); |
| 80 | DEF_FREG(__USER_FPMEDIA, f); |
| 81 | DEF_FREG(__FPMEDIA_FR0, f.fr[0]); |
| 82 | DEF_FREG(__FPMEDIA_FNER0, f.fner[0]); |
| 83 | DEF_FREG(__FPMEDIA_MSR0, f.msr[0]); |
| 84 | DEF_FREG(__FPMEDIA_ACC0, f.acc[0]); |
| 85 | DEF_FREG(__FPMEDIA_ACCG0, f.accg[0]); |
| 86 | DEF_FREG(__FPMEDIA_FSR0, f.fsr[0]); |
| 87 | BLANK(); |
| 88 | |
| 89 | DEFINE(NR_PT_REGS, sizeof(struct pt_regs) / 4); |
| 90 | DEFINE(NR_USER_INT_REGS, sizeof(struct user_int_regs) / 4); |
| 91 | DEFINE(NR_USER_FPMEDIA_REGS, sizeof(struct user_fpmedia_regs) / 4); |
| 92 | DEFINE(NR_USER_CONTEXT, sizeof(struct user_context) / 4); |
| 93 | DEFINE(FRV_FRAME0_SIZE, sizeof(struct frv_frame0)); |
| 94 | BLANK(); |
| 95 | |
| 96 | /* offsets into thread_struct */ |
| 97 | OFFSET(__THREAD_FRAME, thread_struct, frame); |
| 98 | OFFSET(__THREAD_CURR, thread_struct, curr); |
| 99 | OFFSET(__THREAD_SP, thread_struct, sp); |
| 100 | OFFSET(__THREAD_FP, thread_struct, fp); |
| 101 | OFFSET(__THREAD_LR, thread_struct, lr); |
| 102 | OFFSET(__THREAD_PC, thread_struct, pc); |
| 103 | OFFSET(__THREAD_GR16, thread_struct, gr[0]); |
| 104 | OFFSET(__THREAD_SCHED_LR, thread_struct, sched_lr); |
| 105 | OFFSET(__THREAD_FRAME0, thread_struct, frame0); |
| 106 | OFFSET(__THREAD_USER, thread_struct, user); |
| 107 | BLANK(); |
| 108 | |
| 109 | /* offsets into frv_debug_status */ |
| 110 | OFFSET(DEBUG_BPSR, frv_debug_status, bpsr); |
| 111 | OFFSET(DEBUG_DCR, frv_debug_status, dcr); |
| 112 | OFFSET(DEBUG_BRR, frv_debug_status, brr); |
| 113 | OFFSET(DEBUG_NMAR, frv_debug_status, nmar); |
| 114 | BLANK(); |
| 115 | } |