/* Target-dependent code for the IA-64 for GDB, the GNU debugger.
- Copyright (C) 2000, 2004, 2005, 2007, 2008, 2009
+ Copyright (C) 2000, 2004, 2005, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of GDB.
#include "osabi.h"
#include "solib-svr4.h"
#include "symtab.h"
+#include "linux-tdep.h"
/* The sigtramp code is in a non-readable (executable-only) region
of memory called the ``gate page''. The addresses in question
were determined by examining the system headers. They are
- overly generous to allow for different pages sizes. */
+ overly generous to allow for different pages sizes. */
#define GATE_AREA_START 0xa000000000000100LL
#define GATE_AREA_END 0xa000000000020000LL
-/* Offset to sigcontext structure from frame of handler */
+/* Offset to sigcontext structure from frame of handler. */
#define IA64_LINUX_SIGCONTEXT_OFFSET 192
static int
/* IA-64 GNU/Linux specific function which, given a frame address and
a register number, returns the address at which that register may be
found. 0 is returned for registers which aren't stored in the the
- sigcontext structure. */
+ sigcontext structure. */
static CORE_ADDR
ia64_linux_sigcontext_register_address (struct gdbarch *gdbarch,
char buf[8];
CORE_ADDR sigcontext_addr = 0;
- /* The address of the sigcontext area is found at offset 16 in the sigframe. */
+ /* The address of the sigcontext area is found at offset 16 in the
+ sigframe. */
read_memory (sp + 16, buf, 8);
sigcontext_addr = extract_unsigned_integer (buf, 8, byte_order);
return sigcontext_addr + 56; /* user mask only */
/* sc_ar_rsc is provided, from which we could compute bspstore, but
I don't think it's worth it. Anyway, if we want it, it's at offset
- 64 */
+ 64. */
case IA64_BSP_REGNUM :
return sigcontext_addr + 72;
case IA64_RNAT_REGNUM :
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ linux_init_abi (info, gdbarch);
+
/* Set the method of obtaining the sigcontext addresses at which
registers are saved. */
tdep->sigcontext_register_address = ia64_linux_sigcontext_register_address;