/* Target-dependent code for HP PA-RISC BSD's.
- Copyright (C) 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2004-2016 Free Software Foundation, Inc.
This file is part of GDB.
#include "elf/common.h"
#include "hppa-tdep.h"
+#include "hppabsd-tdep.h"
+#include "dwarf2-frame.h"
#include "solib-svr4.h"
-CORE_ADDR
-hppabsd_find_global_pointer (struct value *function)
+static CORE_ADDR
+hppabsd_find_global_pointer (struct gdbarch *gdbarch, struct value *function)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR faddr = value_as_address (function);
struct obj_section *faddr_sec;
gdb_byte buf[4];
if (faddr & 2)
{
if (target_read_memory ((faddr & ~3) + 4, buf, sizeof buf) == 0)
- return extract_unsigned_integer (buf, sizeof buf);
+ return extract_unsigned_integer (buf, sizeof buf, byte_order);
}
/* If the address is in the .plt section, then the real function
hasn't yet been fixed up by the linker so we cannot determine the
Global Pointer for that function. */
- if (in_plt_section (faddr, NULL))
+ if (in_plt_section (faddr))
return 0;
faddr_sec = find_pc_section (faddr);
if (sec < faddr_sec->objfile->sections_end)
{
- CORE_ADDR addr = sec->addr;
+ CORE_ADDR addr = obj_section_addr (sec);
+ CORE_ADDR endaddr = obj_section_endaddr (sec);
- while (addr < sec->endaddr)
+ while (addr < endaddr)
{
gdb_byte buf[4];
LONGEST tag;
if (target_read_memory (addr, buf, sizeof buf) != 0)
break;
- tag = extract_signed_integer (buf, sizeof buf);
+ tag = extract_signed_integer (buf, sizeof buf, byte_order);
if (tag == DT_PLTGOT)
{
CORE_ADDR pltgot;
/* The NetBSD/OpenBSD ld.so doesn't relocate DT_PLTGOT, so
we have to do it ourselves. */
- pltgot = extract_unsigned_integer (buf, sizeof buf);
+ pltgot = extract_unsigned_integer (buf, sizeof buf,
+ byte_order);
pltgot += ANOFFSET (sec->objfile->section_offsets,
SECT_OFF_TEXT (sec->objfile));
}
\f
+static void
+hppabsd_dwarf2_frame_init_reg (struct gdbarch *gdbarch, int regnum,
+ struct dwarf2_frame_state_reg *reg,
+ struct frame_info *this_frame)
+{
+ if (regnum == HPPA_PCOQ_HEAD_REGNUM)
+ reg->how = DWARF2_FRAME_REG_RA;
+ else if (regnum == HPPA_SP_REGNUM)
+ reg->how = DWARF2_FRAME_REG_CFA;
+}
+
void
hppabsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
/* OpenBSD and NetBSD use SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
+
+ /* Hook in the DWARF CFI frame unwinder. */
+ dwarf2_frame_set_init_reg (gdbarch, hppabsd_dwarf2_frame_init_reg);
+ dwarf2_append_unwinders (gdbarch);
}