#include "dis-asm.h" /* Get defs for disassemble_info, which unfortunately is a typedef. */
#if !GDB_MULTI_ARCH
+/* Pull in function declarations refered to, indirectly, via macros. */
#include "value.h" /* For default_coerce_float_to_double which is referenced by a macro. */
+#include "inferior.h" /* For unsigned_address_to_pointer(). */
#endif
struct frame_info;
#define BREAKPOINT_FROM_PC(pcptr, lenptr) (legacy_breakpoint_from_pc (pcptr, lenptr))
#endif
-typedef unsigned char * (gdbarch_breakpoint_from_pc_ftype) (CORE_ADDR *pcptr, int *lenptr);
-extern unsigned char * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr);
+typedef const unsigned char * (gdbarch_breakpoint_from_pc_ftype) (CORE_ADDR *pcptr, int *lenptr);
+extern const unsigned char * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr);
extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc);
#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (BREAKPOINT_FROM_PC)
#error "Non multi-arch definition of BREAKPOINT_FROM_PC"
#endif
#endif
+/* Sigtramp is a routine that the kernel calls (which then calls the
+ signal handler). On most machines it is a library routine that is
+ linked into the executable.
+
+ This macro, given a program counter value and the name of the
+ function in which that PC resides (which can be null if the name is
+ not known), returns nonzero if the PC and name show that we are in
+ sigtramp.
+
+ On most machines just see if the name is sigtramp (and if we have
+ no name, assume we are not in sigtramp).
+
+ FIXME: cagney/2002-04-21: The function find_pc_partial_function
+ calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
+ This means PC_IN_SIGTRAMP function can't be implemented by doing its
+ own local NAME lookup.
+
+ FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
+ Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
+ does not. */
+
+/* Default (function) for non- multi-arch platforms. */
+#if (!GDB_MULTI_ARCH) && !defined (PC_IN_SIGTRAMP)
+#define PC_IN_SIGTRAMP(pc, name) (legacy_pc_in_sigtramp (pc, name))
+#endif
+
+typedef int (gdbarch_pc_in_sigtramp_ftype) (CORE_ADDR pc, char *name);
+extern int gdbarch_pc_in_sigtramp (struct gdbarch *gdbarch, CORE_ADDR pc, char *name);
+extern void set_gdbarch_pc_in_sigtramp (struct gdbarch *gdbarch, gdbarch_pc_in_sigtramp_ftype *pc_in_sigtramp);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (PC_IN_SIGTRAMP)
+#error "Non multi-arch definition of PC_IN_SIGTRAMP"
+#endif
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (PC_IN_SIGTRAMP)
+#define PC_IN_SIGTRAMP(pc, name) (gdbarch_pc_in_sigtramp (current_gdbarch, pc, name))
+#endif
+#endif
+
/* A target might have problems with watchpoints as soon as the stack
frame of the current function has been destroyed. This mostly happens
as the first action in a funtion's epilogue. in_function_epilogue_p()
architecture; ARCHES which is a list of the previously created
``struct gdbarch'' for this architecture.
- The INIT function parameter INFO shall, as far as possible, be
- pre-initialized with information obtained from INFO.ABFD or
- previously selected architecture (if similar).
+ The INFO parameter is, as far as possible, be pre-initialized with
+ information obtained from INFO.ABFD or the previously selected
+ architecture.
+
+ The ARCHES parameter is a linked list (sorted most recently used)
+ of all the previously created architures for this architecture
+ family. The (possibly NULL) ARCHES->gdbarch can used to access
+ values from the previously selected architecture for this
+ architecture family. The global ``current_gdbarch'' shall not be
+ used.
The INIT function shall return any of: NULL - indicating that it
doesn't recognize the selected architecture; an existing ``struct