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Diffstat (limited to 'arch/mips/kernel/offset.c')
-rw-r--r--arch/mips/kernel/offset.c314
1 files changed, 314 insertions, 0 deletions
diff --git a/arch/mips/kernel/offset.c b/arch/mips/kernel/offset.c
new file mode 100644
index 00000000000..2c11abb5a40
--- /dev/null
+++ b/arch/mips/kernel/offset.c
@@ -0,0 +1,314 @@
+/*
+ * offset.c: Calculate pt_regs and task_struct offsets.
+ *
+ * Copyright (C) 1996 David S. Miller
+ * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Ralf Baechle
+ * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ *
+ * Kevin Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 2000 MIPS Technologies, Inc.
+ */
+#include <linux/config.h>
+#include <linux/compat.h>
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+
+#include <asm/ptrace.h>
+#include <asm/processor.h>
+
+#define text(t) __asm__("\n@@@" t)
+#define _offset(type, member) (&(((type *)NULL)->member))
+#define offset(string, ptr, member) \
+ __asm__("\n@@@" string "%0" : : "i" (_offset(ptr, member)))
+#define constant(string, member) \
+ __asm__("\n@@@" string "%x0" : : "ri" (member))
+#define size(string, size) \
+ __asm__("\n@@@" string "%0" : : "i" (sizeof(size)))
+#define linefeed text("")
+
+void output_ptreg_defines(void)
+{
+ text("/* MIPS pt_regs offsets. */");
+ offset("#define PT_R0 ", struct pt_regs, regs[0]);
+ offset("#define PT_R1 ", struct pt_regs, regs[1]);
+ offset("#define PT_R2 ", struct pt_regs, regs[2]);
+ offset("#define PT_R3 ", struct pt_regs, regs[3]);
+ offset("#define PT_R4 ", struct pt_regs, regs[4]);
+ offset("#define PT_R5 ", struct pt_regs, regs[5]);
+ offset("#define PT_R6 ", struct pt_regs, regs[6]);
+ offset("#define PT_R7 ", struct pt_regs, regs[7]);
+ offset("#define PT_R8 ", struct pt_regs, regs[8]);
+ offset("#define PT_R9 ", struct pt_regs, regs[9]);
+ offset("#define PT_R10 ", struct pt_regs, regs[10]);
+ offset("#define PT_R11 ", struct pt_regs, regs[11]);
+ offset("#define PT_R12 ", struct pt_regs, regs[12]);
+ offset("#define PT_R13 ", struct pt_regs, regs[13]);
+ offset("#define PT_R14 ", struct pt_regs, regs[14]);
+ offset("#define PT_R15 ", struct pt_regs, regs[15]);
+ offset("#define PT_R16 ", struct pt_regs, regs[16]);
+ offset("#define PT_R17 ", struct pt_regs, regs[17]);
+ offset("#define PT_R18 ", struct pt_regs, regs[18]);
+ offset("#define PT_R19 ", struct pt_regs, regs[19]);
+ offset("#define PT_R20 ", struct pt_regs, regs[20]);
+ offset("#define PT_R21 ", struct pt_regs, regs[21]);
+ offset("#define PT_R22 ", struct pt_regs, regs[22]);
+ offset("#define PT_R23 ", struct pt_regs, regs[23]);
+ offset("#define PT_R24 ", struct pt_regs, regs[24]);
+ offset("#define PT_R25 ", struct pt_regs, regs[25]);
+ offset("#define PT_R26 ", struct pt_regs, regs[26]);
+ offset("#define PT_R27 ", struct pt_regs, regs[27]);
+ offset("#define PT_R28 ", struct pt_regs, regs[28]);
+ offset("#define PT_R29 ", struct pt_regs, regs[29]);
+ offset("#define PT_R30 ", struct pt_regs, regs[30]);
+ offset("#define PT_R31 ", struct pt_regs, regs[31]);
+ offset("#define PT_LO ", struct pt_regs, lo);
+ offset("#define PT_HI ", struct pt_regs, hi);
+ offset("#define PT_EPC ", struct pt_regs, cp0_epc);
+ offset("#define PT_BVADDR ", struct pt_regs, cp0_badvaddr);
+ offset("#define PT_STATUS ", struct pt_regs, cp0_status);
+ offset("#define PT_CAUSE ", struct pt_regs, cp0_cause);
+ size("#define PT_SIZE ", struct pt_regs);
+ linefeed;
+}
+
+void output_task_defines(void)
+{
+ text("/* MIPS task_struct offsets. */");
+ offset("#define TASK_STATE ", struct task_struct, state);
+ offset("#define TASK_THREAD_INFO ", struct task_struct, thread_info);
+ offset("#define TASK_FLAGS ", struct task_struct, flags);
+ offset("#define TASK_MM ", struct task_struct, mm);
+ offset("#define TASK_PID ", struct task_struct, pid);
+ size( "#define TASK_STRUCT_SIZE ", struct task_struct);
+ linefeed;
+}
+
+void output_thread_info_defines(void)
+{
+ text("/* MIPS thread_info offsets. */");
+ offset("#define TI_TASK ", struct thread_info, task);
+ offset("#define TI_EXEC_DOMAIN ", struct thread_info, exec_domain);
+ offset("#define TI_FLAGS ", struct thread_info, flags);
+ offset("#define TI_CPU ", struct thread_info, cpu);
+ offset("#define TI_PRE_COUNT ", struct thread_info, preempt_count);
+ offset("#define TI_ADDR_LIMIT ", struct thread_info, addr_limit);
+ offset("#define TI_RESTART_BLOCK ", struct thread_info, restart_block);
+ constant("#define _THREAD_SIZE_ORDER ", THREAD_SIZE_ORDER);
+ constant("#define _THREAD_SIZE ", THREAD_SIZE);
+ constant("#define _THREAD_MASK ", THREAD_MASK);
+ linefeed;
+}
+
+void output_thread_defines(void)
+{
+ text("/* MIPS specific thread_struct offsets. */");
+ offset("#define THREAD_REG16 ", struct task_struct, thread.reg16);
+ offset("#define THREAD_REG17 ", struct task_struct, thread.reg17);
+ offset("#define THREAD_REG18 ", struct task_struct, thread.reg18);
+ offset("#define THREAD_REG19 ", struct task_struct, thread.reg19);
+ offset("#define THREAD_REG20 ", struct task_struct, thread.reg20);
+ offset("#define THREAD_REG21 ", struct task_struct, thread.reg21);
+ offset("#define THREAD_REG22 ", struct task_struct, thread.reg22);
+ offset("#define THREAD_REG23 ", struct task_struct, thread.reg23);
+ offset("#define THREAD_REG29 ", struct task_struct, thread.reg29);
+ offset("#define THREAD_REG30 ", struct task_struct, thread.reg30);
+ offset("#define THREAD_REG31 ", struct task_struct, thread.reg31);
+ offset("#define THREAD_STATUS ", struct task_struct,
+ thread.cp0_status);
+ offset("#define THREAD_FPU ", struct task_struct, thread.fpu);
+
+ offset("#define THREAD_BVADDR ", struct task_struct, \
+ thread.cp0_badvaddr);
+ offset("#define THREAD_BUADDR ", struct task_struct, \
+ thread.cp0_baduaddr);
+ offset("#define THREAD_ECODE ", struct task_struct, \
+ thread.error_code);
+ offset("#define THREAD_TRAPNO ", struct task_struct, thread.trap_no);
+ offset("#define THREAD_MFLAGS ", struct task_struct, thread.mflags);
+ offset("#define THREAD_TRAMP ", struct task_struct, \
+ thread.irix_trampoline);
+ offset("#define THREAD_OLDCTX ", struct task_struct, \
+ thread.irix_oldctx);
+ linefeed;
+}
+
+void output_thread_fpu_defines(void)
+{
+ offset("#define THREAD_FPR0 ",
+ struct task_struct, thread.fpu.hard.fpr[0]);
+ offset("#define THREAD_FPR1 ",
+ struct task_struct, thread.fpu.hard.fpr[1]);
+ offset("#define THREAD_FPR2 ",
+ struct task_struct, thread.fpu.hard.fpr[2]);
+ offset("#define THREAD_FPR3 ",
+ struct task_struct, thread.fpu.hard.fpr[3]);
+ offset("#define THREAD_FPR4 ",
+ struct task_struct, thread.fpu.hard.fpr[4]);
+ offset("#define THREAD_FPR5 ",
+ struct task_struct, thread.fpu.hard.fpr[5]);
+ offset("#define THREAD_FPR6 ",
+ struct task_struct, thread.fpu.hard.fpr[6]);
+ offset("#define THREAD_FPR7 ",
+ struct task_struct, thread.fpu.hard.fpr[7]);
+ offset("#define THREAD_FPR8 ",
+ struct task_struct, thread.fpu.hard.fpr[8]);
+ offset("#define THREAD_FPR9 ",
+ struct task_struct, thread.fpu.hard.fpr[9]);
+ offset("#define THREAD_FPR10 ",
+ struct task_struct, thread.fpu.hard.fpr[10]);
+ offset("#define THREAD_FPR11 ",
+ struct task_struct, thread.fpu.hard.fpr[11]);
+ offset("#define THREAD_FPR12 ",
+ struct task_struct, thread.fpu.hard.fpr[12]);
+ offset("#define THREAD_FPR13 ",
+ struct task_struct, thread.fpu.hard.fpr[13]);
+ offset("#define THREAD_FPR14 ",
+ struct task_struct, thread.fpu.hard.fpr[14]);
+ offset("#define THREAD_FPR15 ",
+ struct task_struct, thread.fpu.hard.fpr[15]);
+ offset("#define THREAD_FPR16 ",
+ struct task_struct, thread.fpu.hard.fpr[16]);
+ offset("#define THREAD_FPR17 ",
+ struct task_struct, thread.fpu.hard.fpr[17]);
+ offset("#define THREAD_FPR18 ",
+ struct task_struct, thread.fpu.hard.fpr[18]);
+ offset("#define THREAD_FPR19 ",
+ struct task_struct, thread.fpu.hard.fpr[19]);
+ offset("#define THREAD_FPR20 ",
+ struct task_struct, thread.fpu.hard.fpr[20]);
+ offset("#define THREAD_FPR21 ",
+ struct task_struct, thread.fpu.hard.fpr[21]);
+ offset("#define THREAD_FPR22 ",
+ struct task_struct, thread.fpu.hard.fpr[22]);
+ offset("#define THREAD_FPR23 ",
+ struct task_struct, thread.fpu.hard.fpr[23]);
+ offset("#define THREAD_FPR24 ",
+ struct task_struct, thread.fpu.hard.fpr[24]);
+ offset("#define THREAD_FPR25 ",
+ struct task_struct, thread.fpu.hard.fpr[25]);
+ offset("#define THREAD_FPR26 ",
+ struct task_struct, thread.fpu.hard.fpr[26]);
+ offset("#define THREAD_FPR27 ",
+ struct task_struct, thread.fpu.hard.fpr[27]);
+ offset("#define THREAD_FPR28 ",
+ struct task_struct, thread.fpu.hard.fpr[28]);
+ offset("#define THREAD_FPR29 ",
+ struct task_struct, thread.fpu.hard.fpr[29]);
+ offset("#define THREAD_FPR30 ",
+ struct task_struct, thread.fpu.hard.fpr[30]);
+ offset("#define THREAD_FPR31 ",
+ struct task_struct, thread.fpu.hard.fpr[31]);
+
+ offset("#define THREAD_FCR31 ",
+ struct task_struct, thread.fpu.hard.fcr31);
+ linefeed;
+}
+
+void output_mm_defines(void)
+{
+ text("/* Size of struct page */");
+ size("#define STRUCT_PAGE_SIZE ", struct page);
+ linefeed;
+ text("/* Linux mm_struct offsets. */");
+ offset("#define MM_USERS ", struct mm_struct, mm_users);
+ offset("#define MM_PGD ", struct mm_struct, pgd);
+ offset("#define MM_CONTEXT ", struct mm_struct, context);
+ linefeed;
+ constant("#define _PAGE_SIZE ", PAGE_SIZE);
+ constant("#define _PAGE_SHIFT ", PAGE_SHIFT);
+ linefeed;
+ constant("#define _PGD_T_SIZE ", sizeof(pgd_t));
+ constant("#define _PMD_T_SIZE ", sizeof(pmd_t));
+ constant("#define _PTE_T_SIZE ", sizeof(pte_t));
+ linefeed;
+ constant("#define _PGD_T_LOG2 ", PGD_T_LOG2);
+ constant("#define _PMD_T_LOG2 ", PMD_T_LOG2);
+ constant("#define _PTE_T_LOG2 ", PTE_T_LOG2);
+ linefeed;
+ constant("#define _PMD_SHIFT ", PMD_SHIFT);
+ constant("#define _PGDIR_SHIFT ", PGDIR_SHIFT);
+ linefeed;
+ constant("#define _PGD_ORDER ", PGD_ORDER);
+ constant("#define _PMD_ORDER ", PMD_ORDER);
+ constant("#define _PTE_ORDER ", PTE_ORDER);
+ linefeed;
+ constant("#define _PTRS_PER_PGD ", PTRS_PER_PGD);
+ constant("#define _PTRS_PER_PMD ", PTRS_PER_PMD);
+ constant("#define _PTRS_PER_PTE ", PTRS_PER_PTE);
+ linefeed;
+}
+
+void output_sc_defines(void)
+{
+ text("/* Linux sigcontext offsets. */");
+ offset("#define SC_REGS ", struct sigcontext, sc_regs);
+ offset("#define SC_FPREGS ", struct sigcontext, sc_fpregs);
+ offset("#define SC_MDHI ", struct sigcontext, sc_mdhi);
+ offset("#define SC_MDLO ", struct sigcontext, sc_mdlo);
+ offset("#define SC_PC ", struct sigcontext, sc_pc);
+ offset("#define SC_STATUS ", struct sigcontext, sc_status);
+ offset("#define SC_FPC_CSR ", struct sigcontext, sc_fpc_csr);
+ offset("#define SC_FPC_EIR ", struct sigcontext, sc_fpc_eir);
+ offset("#define SC_CAUSE ", struct sigcontext, sc_cause);
+ offset("#define SC_BADVADDR ", struct sigcontext, sc_badvaddr);
+ linefeed;
+}
+
+#ifdef CONFIG_MIPS32_COMPAT
+void output_sc32_defines(void)
+{
+ text("/* Linux 32-bit sigcontext offsets. */");
+ offset("#define SC32_FPREGS ", struct sigcontext32, sc_fpregs);
+ offset("#define SC32_FPC_CSR ", struct sigcontext32, sc_fpc_csr);
+ offset("#define SC32_FPC_EIR ", struct sigcontext32, sc_fpc_eir);
+ linefeed;
+}
+#endif
+
+void output_signal_defined(void)
+{
+ text("/* Linux signal numbers. */");
+ constant("#define _SIGHUP ", SIGHUP);
+ constant("#define _SIGINT ", SIGINT);
+ constant("#define _SIGQUIT ", SIGQUIT);
+ constant("#define _SIGILL ", SIGILL);
+ constant("#define _SIGTRAP ", SIGTRAP);
+ constant("#define _SIGIOT ", SIGIOT);
+ constant("#define _SIGABRT ", SIGABRT);
+ constant("#define _SIGEMT ", SIGEMT);
+ constant("#define _SIGFPE ", SIGFPE);
+ constant("#define _SIGKILL ", SIGKILL);
+ constant("#define _SIGBUS ", SIGBUS);
+ constant("#define _SIGSEGV ", SIGSEGV);
+ constant("#define _SIGSYS ", SIGSYS);
+ constant("#define _SIGPIPE ", SIGPIPE);
+ constant("#define _SIGALRM ", SIGALRM);
+ constant("#define _SIGTERM ", SIGTERM);
+ constant("#define _SIGUSR1 ", SIGUSR1);
+ constant("#define _SIGUSR2 ", SIGUSR2);
+ constant("#define _SIGCHLD ", SIGCHLD);
+ constant("#define _SIGPWR ", SIGPWR);
+ constant("#define _SIGWINCH ", SIGWINCH);
+ constant("#define _SIGURG ", SIGURG);
+ constant("#define _SIGIO ", SIGIO);
+ constant("#define _SIGSTOP ", SIGSTOP);
+ constant("#define _SIGTSTP ", SIGTSTP);
+ constant("#define _SIGCONT ", SIGCONT);
+ constant("#define _SIGTTIN ", SIGTTIN);
+ constant("#define _SIGTTOU ", SIGTTOU);
+ constant("#define _SIGVTALRM ", SIGVTALRM);
+ constant("#define _SIGPROF ", SIGPROF);
+ constant("#define _SIGXCPU ", SIGXCPU);
+ constant("#define _SIGXFSZ ", SIGXFSZ);
+ linefeed;
+}
+
+void output_irq_cpustat_t_defines(void)
+{
+ text("/* Linux irq_cpustat_t offsets. */");
+ offset("#define IC_SOFTIRQ_PENDING ", irq_cpustat_t, __softirq_pending);
+ size("#define IC_IRQ_CPUSTAT_T ", irq_cpustat_t);
+ linefeed;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 20:37:36 +0000