Import of Linux/MIPS 2.1.14.2

3 files changed, 243 insertions, 0 deletions

diff --git a/arch/mips/tools/Makefile b/arch/mips/tools/Makefile
new file mode 100644
index 000000000..7216277b3
--- /dev/null
+++ b/arch/mips/tools/Makefile
@@ -0,0 +1,26 @@
+# Makefile for MIPS kernel build tools.
+#
+# Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+# Copyright (C) 1997 Ralf Baechle (ralf@gnu.ai.mit.edu)
+#
+TARGET	:= $(TOPDIR)/include/asm-$(ARCH)/offset.h
+
+.S.s:
+	$(CPP) $(CFLAGS) $< -o $*.s
+.S.o:
+	$(CC) $(CFLAGS) -c $< -o $*.o
+
+all: $(TARGET)
+
+$(TARGET): offset.h
+	cmp -s $^ $@ || (cp $^ $(TARGET).new && mv $(TARGET).new $(TARGET))
+
+offset.h: offset.s
+	sed -n '/^@@@/s///p' $^ >$@
+
+offset.s: offset.c
+
+clean:
+	rm -f offset.s $(TARGET).new
+
+include $(TOPDIR)/Rules.make
diff --git a/arch/mips/tools/offset.c b/arch/mips/tools/offset.c
new file mode 100644
index 000000000..3bb46de6e
--- /dev/null
+++ b/arch/mips/tools/offset.c
@@ -0,0 +1,128 @@
+/*
+ * offset.c: Calculate pt_regs and task_struct offsets.
+ *
+ * Copyright (C) 1996 David S. Miller
+ * Made portable by Ralf Baechle
+ */
+
+#include <linux/types.h>
+#include <linux/sched.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 size(string, size) \
+	__asm__("\n@@@" string "%0" : : "i" (sizeof(size)))
+#define linefeed text("")
+
+text("/* DO NOT TOUCH, AUTOGENERATED BY OFFSET.C */");
+text("");
+text("#ifndef _MIPS_OFFSET_H");
+text("#define _MIPS_OFFSET_H");
+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_OR2    ", struct pt_regs, orig_reg2);
+	offset("#define PT_OR7    ", struct pt_regs, orig_reg7);
+	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_PRIORITY      ", struct task_struct, priority);
+	offset("#define TASK_SIGNAL        ", struct task_struct, signal);
+	offset("#define TASK_BLOCKED       ", struct task_struct, blocked);
+	offset("#define TASK_FLAGS         ", struct task_struct, flags);
+	offset("#define TASK_SAVED_KSTACK  ", struct task_struct, saved_kernel_stack);
+	offset("#define TASK_KSTACK_PG     ", struct task_struct, kernel_stack_page);
+	offset("#define TASK_MM            ", struct task_struct, mm);
+	linefeed;
+}
+
+void output_thread_defines(void)
+{
+	text("/* MIPS specific thread_struct offsets. */");
+	offset("#define THREAD_REG16   ", struct task_struct, tss.reg16);
+	offset("#define THREAD_REG17   ", struct task_struct, tss.reg17);
+	offset("#define THREAD_REG18   ", struct task_struct, tss.reg18);
+	offset("#define THREAD_REG19   ", struct task_struct, tss.reg19);
+	offset("#define THREAD_REG20   ", struct task_struct, tss.reg20);
+	offset("#define THREAD_REG21   ", struct task_struct, tss.reg21);
+	offset("#define THREAD_REG22   ", struct task_struct, tss.reg22);
+	offset("#define THREAD_REG23   ", struct task_struct, tss.reg23);
+	offset("#define THREAD_REG28   ", struct task_struct, tss.reg28);
+	offset("#define THREAD_REG29   ", struct task_struct, tss.reg29);
+	offset("#define THREAD_REG30   ", struct task_struct, tss.reg30);
+	offset("#define THREAD_REG31   ", struct task_struct, tss.reg31);
+	offset("#define THREAD_STATUS  ", struct task_struct, tss.cp0_status);
+	offset("#define THREAD_FPU     ", struct task_struct, tss.fpu);
+	offset("#define THREAD_BVADDR  ", struct task_struct, tss.cp0_badvaddr);
+	offset("#define THREAD_ECODE   ", struct task_struct, tss.error_code);
+	offset("#define THREAD_TRAPNO  ", struct task_struct, tss.trap_no);
+	offset("#define THREAD_KSP     ", struct task_struct, tss.ksp);
+	offset("#define THREAD_PGDIR   ", struct task_struct, tss.pg_dir);
+	offset("#define THREAD_MFLAGS  ", struct task_struct, tss.mflags);
+	offset("#define THREAD_CURDS   ", struct task_struct, tss.current_ds);
+	offset("#define THREAD_TRAMP   ", struct task_struct, tss.irix_trampoline);
+	offset("#define THREAD_OLDCTX  ", struct task_struct, tss.irix_oldctx);
+	linefeed;
+}
+
+void output_mm_defines(void)
+{
+	text("/* Linux mm_struct offsets. */");
+	offset("#define MM_COUNT      ", struct mm_struct, count);
+	offset("#define MM_PGD        ", struct mm_struct, pgd);
+	offset("#define MM_CONTEXT    ", struct mm_struct, context);
+	linefeed;
+}
+
+text("#endif /* !(_MIPS_OFFSET_H) */");
diff --git a/arch/mips/tools/offset.h b/arch/mips/tools/offset.h
new file mode 100644
index 000000000..c5e6f37fa
--- /dev/null
+++ b/arch/mips/tools/offset.h
@@ -0,0 +1,89 @@
+/* DO NOT TOUCH, AUTOGENERATED BY OFFSET.C */
+
+#ifndef _MIPS_OFFSET_H
+#define _MIPS_OFFSET_H
+
+/* MIPS pt_regs offsets. */
+#define PT_R0     24
+#define PT_R1     28
+#define PT_R2     32
+#define PT_R3     36
+#define PT_R4     40
+#define PT_R5     44
+#define PT_R6     48
+#define PT_R7     52
+#define PT_R8     56
+#define PT_R9     60
+#define PT_R10    64
+#define PT_R11    68
+#define PT_R12    72
+#define PT_R13    76
+#define PT_R14    80
+#define PT_R15    84
+#define PT_R16    88
+#define PT_R17    92
+#define PT_R18    96
+#define PT_R19    100
+#define PT_R20    104
+#define PT_R21    108
+#define PT_R22    112
+#define PT_R23    116
+#define PT_R24    120
+#define PT_R25    124
+#define PT_R26    128
+#define PT_R27    132
+#define PT_R28    136
+#define PT_R29    140
+#define PT_R30    144
+#define PT_R31    148
+#define PT_LO     152
+#define PT_HI     156
+#define PT_OR2    160
+#define PT_OR7    164
+#define PT_EPC    168
+#define PT_BVADDR 172
+#define PT_STATUS 176
+#define PT_CAUSE  180
+#define PT_SIZE   184
+
+/* MIPS task_struct offsets. */
+#define TASK_STATE         0
+#define TASK_PRIORITY      8
+#define TASK_SIGNAL        12
+#define TASK_BLOCKED       16
+#define TASK_FLAGS         20
+#define TASK_SAVED_KSTACK  84
+#define TASK_KSTACK_PG     88
+#define TASK_MM            912
+
+/* MIPS specific thread_struct offsets. */
+#define THREAD_REG16   544
+#define THREAD_REG17   548
+#define THREAD_REG18   552
+#define THREAD_REG19   556
+#define THREAD_REG20   560
+#define THREAD_REG21   564
+#define THREAD_REG22   568
+#define THREAD_REG23   572
+#define THREAD_REG28   576
+#define THREAD_REG29   580
+#define THREAD_REG30   584
+#define THREAD_REG31   588
+#define THREAD_STATUS  592
+#define THREAD_FPU     600
+#define THREAD_BVADDR  864
+#define THREAD_ECODE   868
+#define THREAD_TRAPNO  872
+#define THREAD_KSP     876
+#define THREAD_PGDIR   880
+#define THREAD_MFLAGS  884
+#define THREAD_CURDS   888
+#define THREAD_TRAMP   892
+#define THREAD_OLDCTX  896
+
+/* Linux mm_struct offsets. */
+#define MM_COUNT      0
+#define MM_PGD        4
+#define MM_CONTEXT    8
+
+#endif /* !(_MIPS_OFFSET_H) */