/* Target-dependent code for OSF/1 on Alpha.
- Copyright 2002 Free Software Foundation, Inc.
+ Copyright 2002, 2003 Free Software Foundation, Inc.
This file is part of GDB.
#include "frame.h"
#include "gdbcore.h"
#include "value.h"
+#include "osabi.h"
+#include "gdb_string.h"
#include "alpha-tdep.h"
static int
alpha_osf1_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
{
- return (func_name != NULL && STREQ ("__sigtramp", func_name));
+ return (func_name != NULL && strcmp ("__sigtramp", func_name) == 0);
}
static CORE_ADDR
: frame->frame, 8));
}
+/* This is the definition of CALL_DUMMY_ADDRESS. It's a heuristic that is used
+ to find a convenient place in the text segment to stick a breakpoint to
+ detect the completion of a target function call (ala call_function_by_hand).
+ */
+
+static CORE_ADDR
+alpha_call_dummy_address (void)
+{
+ CORE_ADDR entry;
+ struct minimal_symbol *sym;
+
+ entry = entry_point_address ();
+
+ if (entry != 0)
+ return entry;
+
+ sym = lookup_minimal_symbol ("_Prelude", NULL, symfile_objfile);
+
+ if (!sym || MSYMBOL_TYPE (sym) != mst_text)
+ return 0;
+ else
+ return SYMBOL_VALUE_ADDRESS (sym) + 4;
+}
+
static void
alpha_osf1_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
instead. */
set_gdbarch_software_single_step (gdbarch, alpha_software_single_step);
+ /* Alpha OSF/1 inhibits execution of code on the stack. But there is
+ no need for a dummy on the Alpha. PUSH_ARGUMENTS takes care of all
+ argument handling and bp_call_dummy takes care of stopping the dummy. */
+ set_gdbarch_call_dummy_address (gdbarch, alpha_call_dummy_address);
+
tdep->skip_sigtramp_frame = alpha_osf1_skip_sigtramp_frame;
tdep->sigcontext_addr = alpha_osf1_sigcontext_addr;