Richard Earnshaw <rearnsha@arm.com>

[deliverable/binutils-gdb.git] / gdb / config / arm / tm-linux.h

diff --git a/gdb/config/arm/tm-linux.h b/gdb/config/arm/tm-linux.h
index 9dcd6668450ec6fc3871f32dec6d4a599fab2730..51036b663661a708aa650747aa338c1ed87264d4 100644 (file)
--- a/gdb/config/arm/tm-linux.h
+++ b/gdb/config/arm/tm-linux.h
@@ -21,14 +21,18 @@
 #ifndef TM_ARMLINUX_H
 #define TM_ARMLINUX_H
 
+#ifdef GDBSERVER
+#define        ARM_GNULINUX_TARGET
+#endif
+
 /* Include the common ARM target definitions.  */
 #include "arm/tm-arm.h"
 
 #include "tm-linux.h"
 
-/* Target byte order on ARM Linux is little endian and not selectable.  */
-#undef TARGET_BYTE_ORDER_SELECTABLE_P
-#define TARGET_BYTE_ORDER_SELECTABLE_P 0
+/* Use target-specific function to define link map offsets.  */
+extern struct link_map_offsets *arm_linux_svr4_fetch_link_map_offsets (void);
+#define SVR4_FETCH_LINK_MAP_OFFSETS() arm_linux_svr4_fetch_link_map_offsets ()
 
 /* Under ARM Linux the traditional way of performing a breakpoint is to
    execute a particular software interrupt, rather than use a particular
@@ -135,4 +139,26 @@ extern CORE_ADDR in_svr4_dynsym_resolve_code (CORE_ADDR pc, char *name);
 #define IN_SOLIB_DYNSYM_RESOLVE_CODE  in_svr4_dynsym_resolve_code */
 #endif
 
+/* When the ARM Linux kernel invokes a signal handler, the return
+   address points at a special instruction which'll trap back into
+   the kernel.  These definitions are used to identify this bit of
+   code as a signal trampoline in order to support backtracing
+   through calls to signal handlers. */
+
+int arm_linux_in_sigtramp (CORE_ADDR pc, char *name);
+#define IN_SIGTRAMP(pc, name) arm_linux_in_sigtramp (pc, name)
+
+/* Each OS has different mechanisms for accessing the various
+   registers stored in the sigcontext structure.  These definitions
+   provide a mechanism by which the generic code in arm-tdep.c can
+   find the addresses at which various registers are saved at in the
+   sigcontext structure.  If SIGCONTEXT_REGISTER_ADDRESS is not
+   defined, arm-tdep.c will define it to be 0.  (See ia64-tdep.c and
+   ia64-linux-tdep.c to see what a similar mechanism looks like when
+   multi-arched.) */
+
+extern CORE_ADDR arm_linux_sigcontext_register_address (CORE_ADDR, CORE_ADDR,
+                                                        int);
+#define SIGCONTEXT_REGISTER_ADDRESS arm_linux_sigcontext_register_address
+
 #endif /* TM_ARMLINUX_H */