diff options
Diffstat (limited to 'arch/frv/kernel/asm-offsets.c')
| -rw-r--r-- | arch/frv/kernel/asm-offsets.c | 116 |
1 files changed, 115 insertions, 1 deletions
diff --git a/arch/frv/kernel/asm-offsets.c b/arch/frv/kernel/asm-offsets.c index 9e263112a6e2..fbb19fc1af40 100644 --- a/arch/frv/kernel/asm-offsets.c +++ b/arch/frv/kernel/asm-offsets.c @@ -1 +1,115 @@ -/* Dummy asm-offsets.c file. Required by kbuild and ready to be used - hint! */ +/* + * Generate definitions needed by assembly language modules. + * This code generates raw asm output which is post-processed + * to extract and format the required data. + */ + +#include <linux/sched.h> +#include <linux/signal.h> +#include <linux/personality.h> +#include <asm/registers.h> +#include <asm/ucontext.h> +#include <asm/processor.h> +#include <asm/thread_info.h> +#include <asm/gdb-stub.h> + +#define DEFINE(sym, val) \ + asm volatile("\n->" #sym " %0 " #val : : "i" (val)) + +#define DEF_PTREG(sym, reg) \ + asm volatile("\n->" #sym " %0 offsetof(struct pt_regs, " #reg ")" \ + : : "i" (offsetof(struct pt_regs, reg))) + +#define DEF_IREG(sym, reg) \ + asm volatile("\n->" #sym " %0 offsetof(struct user_context, " #reg ")" \ + : : "i" (offsetof(struct user_context, reg))) + +#define DEF_FREG(sym, reg) \ + asm volatile("\n->" #sym " %0 offsetof(struct user_context, " #reg ")" \ + : : "i" (offsetof(struct user_context, reg))) + +#define DEF_0REG(sym, reg) \ + asm volatile("\n->" #sym " %0 offsetof(struct frv_frame0, " #reg ")" \ + : : "i" (offsetof(struct frv_frame0, reg))) + +#define BLANK() asm volatile("\n->" : : ) + +#define OFFSET(sym, str, mem) \ + DEFINE(sym, offsetof(struct str, mem)); + +void foo(void) +{ + /* offsets into the thread_info structure */ + 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); + BLANK(); + + /* offsets into register file storage */ + DEF_PTREG(REG_PSR, psr); + DEF_PTREG(REG_ISR, isr); + DEF_PTREG(REG_CCR, ccr); + DEF_PTREG(REG_CCCR, cccr); + DEF_PTREG(REG_LR, lr); + DEF_PTREG(REG_LCR, lcr); + DEF_PTREG(REG_PC, pc); + DEF_PTREG(REG__STATUS, __status); + DEF_PTREG(REG_SYSCALLNO, syscallno); + DEF_PTREG(REG_ORIG_GR8, orig_gr8); + DEF_PTREG(REG_GNER0, gner0); + DEF_PTREG(REG_GNER1, gner1); + DEF_PTREG(REG_IACC0, iacc0); + DEF_PTREG(REG_TBR, tbr); + DEF_PTREG(REG_GR0, tbr); + DEFINE(REG__END, sizeof(struct pt_regs)); + BLANK(); + + DEF_0REG(REG_DCR, debug.dcr); + DEF_0REG(REG_IBAR0, debug.ibar[0]); + DEF_0REG(REG_DBAR0, debug.dbar[0]); + DEF_0REG(REG_DBDR00, debug.dbdr[0][0]); + DEF_0REG(REG_DBMR00, debug.dbmr[0][0]); + BLANK(); + + DEF_IREG(__INT_GR0, i.gr[0]); + DEF_FREG(__USER_FPMEDIA, f); + DEF_FREG(__FPMEDIA_FR0, f.fr[0]); + DEF_FREG(__FPMEDIA_FNER0, f.fner[0]); + DEF_FREG(__FPMEDIA_MSR0, f.msr[0]); + DEF_FREG(__FPMEDIA_ACC0, f.acc[0]); + DEF_FREG(__FPMEDIA_ACCG0, f.accg[0]); + DEF_FREG(__FPMEDIA_FSR0, f.fsr[0]); + BLANK(); + + DEFINE(NR_PT_REGS, sizeof(struct pt_regs) / 4); + DEFINE(NR_USER_INT_REGS, sizeof(struct user_int_regs) / 4); + DEFINE(NR_USER_FPMEDIA_REGS, sizeof(struct user_fpmedia_regs) / 4); + DEFINE(NR_USER_CONTEXT, sizeof(struct user_context) / 4); + DEFINE(FRV_FRAME0_SIZE, sizeof(struct frv_frame0)); + BLANK(); + + /* offsets into thread_struct */ + OFFSET(__THREAD_FRAME, thread_struct, frame); + OFFSET(__THREAD_CURR, thread_struct, curr); + OFFSET(__THREAD_SP, thread_struct, sp); + OFFSET(__THREAD_FP, thread_struct, fp); + OFFSET(__THREAD_LR, thread_struct, lr); + OFFSET(__THREAD_PC, thread_struct, pc); + OFFSET(__THREAD_GR16, thread_struct, gr[0]); + OFFSET(__THREAD_SCHED_LR, thread_struct, sched_lr); + OFFSET(__THREAD_FRAME0, thread_struct, frame0); + OFFSET(__THREAD_USER, thread_struct, user); + BLANK(); + + /* offsets into frv_debug_status */ + OFFSET(DEBUG_BPSR, frv_debug_status, bpsr); + OFFSET(DEBUG_DCR, frv_debug_status, dcr); + OFFSET(DEBUG_BRR, frv_debug_status, brr); + OFFSET(DEBUG_NMAR, frv_debug_status, nmar); + BLANK(); +} |