patch-1.3.44 linux/include/asm-sparc/kgdb.h

• Lines: 91
• Date: Sat Nov 25 04:31:58 1995
• Orig file: v1.3.43/linux/include/asm-sparc/kgdb.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.43/linux/include/asm-sparc/kgdb.h linux/include/asm-sparc/kgdb.h
@@ -0,0 +1,90 @@
+/* $Id: kgdb.h,v 1.6 1995/11/25 02:31:57 davem Exp $
+ * kgdb.h: Defines and declarations for serial line source level
+ *         remote debugging of the Linux kernel using gdb.
+ *
+ * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ */
+#ifndef _SPARC_KGDB_H
+#define _SPARC_KGDB_H
+
+#ifndef __ASSEMBLY__
+/* To init the kgdb engine. */
+extern void set_debug_traps(void);
+
+/* To enter the debugger explicitly. */
+extern void breakpoint(void);
+
+/* For convenience we define the format of a kgdb trap breakpoint
+ * frame here also.
+ */
+struct kgdb_frame {
+	unsigned long globals[8];
+	unsigned long outs[8];
+	unsigned long locals[8];
+	unsigned long ins[8];
+	unsigned long fpregs[32];
+	unsigned long y;
+	unsigned long psr;
+	unsigned long wim;
+	unsigned long tbr;
+	unsigned long pc;
+	unsigned long npc;
+	unsigned long fpsr;
+	unsigned long cpsr;
+};
+#endif /* !(__ASSEMBLY__) */
+
+/* Macros for assembly usage of the kgdb breakpoint frame. */
+#define KGDB_G0     0x000
+#define KGDB_G1     0x004
+#define KGDB_G2     0x008
+#define KGDB_G4     0x010
+#define KGDB_G6     0x018
+#define KGDB_I0     0x020
+#define KGDB_I2     0x028
+#define KGDB_I4     0x030
+#define KGDB_I6     0x038
+#define KGDB_Y      0x100
+#define KGDB_PSR    0x104
+#define KGDB_WIM    0x108
+#define KGDB_TBR    0x10c
+#define KGDB_PC     0x110
+#define KGDB_NPC    0x114
+
+#define SAVE_KGDB_GLOBALS(reg) \
+        std     %g0, [%reg + STACKFRAME_SZ + KGDB_G0]; \
+        std     %g2, [%reg + STACKFRAME_SZ + KGDB_G2]; \
+        std     %g4, [%reg + STACKFRAME_SZ + KGDB_G4]; \
+        std     %g6, [%reg + STACKFRAME_SZ + KGDB_G6];
+
+#define SAVE_KGDB_INS(reg) \
+        std     %i0, [%reg + STACKFRAME_SZ + KGDB_I0]; \
+        std     %i2, [%reg + STACKFRAME_SZ + KGDB_I2]; \
+        std     %i4, [%reg + STACKFRAME_SZ + KGDB_I4]; \
+        std     %i6, [%reg + STACKFRAME_SZ + KGDB_I6];
+
+#define SAVE_KGDB_SREGS(reg, reg_y, reg_psr, reg_wim, reg_tbr, reg_pc, reg_npc) \
+        st      %reg_y, [%reg + STACKFRAME_SZ + KGDB_Y]; \
+        st      %reg_psr, [%reg + STACKFRAME_SZ + KGDB_PSR]; \
+        st      %reg_wim, [%reg + STACKFRAME_SZ + KGDB_WIM]; \
+        st      %reg_tbr, [%reg + STACKFRAME_SZ + KGDB_TBR]; \
+        st      %reg_pc, [%reg + STACKFRAME_SZ + KGDB_PC]; \
+        st      %reg_npc, [%reg + STACKFRAME_SZ + KGDB_NPC];
+
+#define LOAD_KGDB_GLOBALS(reg) \
+        ld      [%reg + STACKFRAME_SZ + KGDB_G1], %g1; \
+        ldd     [%reg + STACKFRAME_SZ + KGDB_G2], %g2; \
+        ldd     [%reg + STACKFRAME_SZ + KGDB_G4], %g4; \
+        ldd     [%reg + STACKFRAME_SZ + KGDB_G6], %g6;
+
+#define LOAD_KGDB_INS(reg) \
+        ldd     [%reg + STACKFRAME_SZ + KGDB_I0], %i0; \
+        ldd     [%reg + STACKFRAME_SZ + KGDB_I2], %i2; \
+        ldd     [%reg + STACKFRAME_SZ + KGDB_I4], %i4; \
+        ldd     [%reg + STACKFRAME_SZ + KGDB_I6], %i6;
+
+#define LOAD_KGDB_SREGS(reg, reg_y_and_psr, reg_pc_and_npc) \
+        ldd     [%reg + STACKFRAME_SZ + KGDB_Y], %reg_y_and_psr; \
+        ldd     [%reg + STACKFRAME_SZ + KGDB_PC], %reg_pc_and_npc;
+
+#endif /* !(_SPARC_KGDB_H) */