/* Target-dependent code for GNU/Linux SPARC.
- Copyright (C) 2003, 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
+ Free Software Foundation, Inc.
This file is part of GDB.
#include "symtab.h"
#include "trad-frame.h"
#include "tramp-frame.h"
+#include "xml-syscall.h"
+#include "linux-tdep.h"
+
+/* The syscall's XML filename for sparc 32-bit. */
+#define XML_SYSCALL_FILENAME_SPARC32 "syscalls/sparc-linux.xml"
#include "sparc-tdep.h"
{
ULONGEST sc_num = get_frame_register_unsigned (frame, SPARC_G1_REGNUM);
- /* __NR_rt_sigreturn is 101 and __NR_sigreturn is 216 */
+ /* __NR_rt_sigreturn is 101 and __NR_sigreturn is 216. */
if (sc_num == 101 || sc_num == 216)
{
+ struct gdbarch *gdbarch = get_frame_arch (frame);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+
ULONGEST sp, pc_offset;
sp = get_frame_register_unsigned (frame, SPARC_SP_REGNUM);
if (sc_num == 101)
pc_offset += 128;
- return read_memory_unsigned_integer (sp + pc_offset, 4);
+ return read_memory_unsigned_integer (sp + pc_offset, 4, byte_order);
}
}
struct regcache *regcache,
int regnum, const void *gregs, size_t len)
{
- sparc32_supply_gregset (&sparc32_linux_core_gregset, regcache, regnum, gregs);
+ sparc32_supply_gregset (&sparc32_linux_core_gregset,
+ regcache, regnum, gregs);
}
static void
const struct regcache *regcache,
int regnum, void *gregs, size_t len)
{
- sparc32_collect_gregset (&sparc32_linux_core_gregset, regcache, regnum, gregs);
+ sparc32_collect_gregset (&sparc32_linux_core_gregset,
+ regcache, regnum, gregs);
}
static void
regcache_cooked_write_unsigned (regcache, SPARC32_PSR_REGNUM, psr);
}
+static LONGEST
+sparc32_linux_get_syscall_number (struct gdbarch *gdbarch,
+ ptid_t ptid)
+{
+ struct regcache *regcache = get_thread_regcache (ptid);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+ /* The content of a register. */
+ gdb_byte buf[4];
+ /* The result. */
+ LONGEST ret;
+
+ /* Getting the system call number from the register.
+ When dealing with the sparc architecture, this information
+ is stored at the %g1 register. */
+ regcache_cooked_read (regcache, SPARC_G1_REGNUM, buf);
+
+ ret = extract_signed_integer (buf, 4, byte_order);
+
+ return ret;
+}
+
\f
static void
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ linux_init_abi (info, gdbarch);
+
tdep->gregset = regset_alloc (gdbarch, sparc32_linux_supply_core_gregset,
sparc32_linux_collect_core_gregset);
tdep->sizeof_gregset = 152;
dwarf2_append_unwinders (gdbarch);
set_gdbarch_write_pc (gdbarch, sparc_linux_write_pc);
+
+ /* Functions for 'catch syscall'. */
+ set_xml_syscall_file_name (XML_SYSCALL_FILENAME_SPARC32);
+ set_gdbarch_get_syscall_number (gdbarch,
+ sparc32_linux_get_syscall_number);
}
/* Provide a prototype to silence -Wmissing-prototypes. */