{
public:
+ const regs_info *get_regs_info () override;
+
+ const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override;
+
+ bool supports_z_point_type (char z_type) override;
+
+
+ void low_collect_ptrace_register (regcache *regcache, int regno,
+ char *buf) override;
+
+ void low_supply_ptrace_register (regcache *regcache, int regno,
+ const char *buf) override;
+
+ bool supports_tracepoints () override;
+
+ bool supports_fast_tracepoints () override;
+
+ int install_fast_tracepoint_jump_pad
+ (CORE_ADDR tpoint, CORE_ADDR tpaddr, CORE_ADDR collector,
+ CORE_ADDR lockaddr, ULONGEST orig_size, CORE_ADDR *jump_entry,
+ CORE_ADDR *trampoline, ULONGEST *trampoline_size,
+ unsigned char *jjump_pad_insn, ULONGEST *jjump_pad_insn_size,
+ CORE_ADDR *adjusted_insn_addr, CORE_ADDR *adjusted_insn_addr_end,
+ char *err) override;
+
+ int get_min_fast_tracepoint_insn_len () override;
+
+ struct emit_ops *emit_ops () override;
+
+ int get_ipa_tdesc_idx () override;
+
+protected:
+
+ void low_arch_setup () override;
+
+ bool low_cannot_fetch_register (int regno) override;
+
+ bool low_cannot_store_register (int regno) override;
+
+ bool low_supports_breakpoints () override;
+
+ CORE_ADDR low_get_pc (regcache *regcache) override;
+
+ void low_set_pc (regcache *regcache, CORE_ADDR newpc) override;
+
+ bool low_breakpoint_at (CORE_ADDR pc) override;
+
+ int low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
+ int size, raw_breakpoint *bp) override;
+
+ int low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
+ int size, raw_breakpoint *bp) override;
+
+ int low_get_thread_area (int lwpid, CORE_ADDR *addrp) override;
};
/* The singleton target ops object. */
return 0;
}
-static int
-ppc_cannot_store_register (int regno)
+bool
+ppc_target::low_cannot_store_register (int regno)
{
const struct target_desc *tdesc = current_process ()->tdesc;
/* Some kernels do not allow us to store fpscr. */
if (!(ppc_hwcap & PPC_FEATURE_HAS_SPE)
&& regno == find_regno (tdesc, "fpscr"))
- return 1;
+ return true;
#endif
/* Some kernels do not allow us to store orig_r3 or trap. */
if (regno == find_regno (tdesc, "orig_r3")
|| regno == find_regno (tdesc, "trap"))
- return 1;
+ return true;
- return 0;
+ return false;
}
-static int
-ppc_cannot_fetch_register (int regno)
+bool
+ppc_target::low_cannot_fetch_register (int regno)
{
- return 0;
+ return false;
}
-static void
-ppc_collect_ptrace_register (struct regcache *regcache, int regno, char *buf)
+void
+ppc_target::low_collect_ptrace_register (regcache *regcache, int regno,
+ char *buf)
{
memset (buf, 0, sizeof (long));
perror_with_name ("Unexpected byte order");
}
-static void
-ppc_supply_ptrace_register (struct regcache *regcache,
- int regno, const char *buf)
+void
+ppc_target::low_supply_ptrace_register (regcache *regcache, int regno,
+ const char *buf)
{
if (__BYTE_ORDER == __LITTLE_ENDIAN)
{
perror_with_name ("Unexpected byte order");
}
-static CORE_ADDR
-ppc_get_pc (struct regcache *regcache)
+bool
+ppc_target::low_supports_breakpoints ()
+{
+ return true;
+}
+
+CORE_ADDR
+ppc_target::low_get_pc (regcache *regcache)
{
if (register_size (regcache->tdesc, 0) == 4)
{
}
}
-static void
-ppc_set_pc (struct regcache *regcache, CORE_ADDR pc)
+void
+ppc_target::low_set_pc (regcache *regcache, CORE_ADDR pc)
{
if (register_size (regcache->tdesc, 0) == 4)
{
static const unsigned int ppc_breakpoint = 0x7d821008;
#define ppc_breakpoint_len 4
-/* Implementation of linux_target_ops method "sw_breakpoint_from_kind". */
+/* Implementation of target ops method "sw_breakpoint_from_kind". */
-static const gdb_byte *
-ppc_sw_breakpoint_from_kind (int kind, int *size)
+const gdb_byte *
+ppc_target::sw_breakpoint_from_kind (int kind, int *size)
{
*size = ppc_breakpoint_len;
return (const gdb_byte *) &ppc_breakpoint;
}
-static int
-ppc_breakpoint_at (CORE_ADDR where)
+bool
+ppc_target::low_breakpoint_at (CORE_ADDR where)
{
unsigned int insn;
- the_target->read_memory (where, (unsigned char *) &insn, 4);
+ read_memory (where, (unsigned char *) &insn, 4);
if (insn == ppc_breakpoint)
- return 1;
+ return true;
/* If necessary, recognize more trap instructions here. GDB only uses
the one. */
- return 0;
+ return false;
}
/* Implement supports_z_point_type target-ops.
Handling software breakpoint at server side, so tracepoints
and breakpoints can be inserted at the same location. */
-static int
-ppc_supports_z_point_type (char z_type)
+bool
+ppc_target::supports_z_point_type (char z_type)
{
switch (z_type)
{
case Z_PACKET_SW_BP:
- return 1;
+ return true;
case Z_PACKET_HW_BP:
case Z_PACKET_WRITE_WP:
case Z_PACKET_ACCESS_WP:
default:
- return 0;
+ return false;
}
}
-/* Implement insert_point target-ops.
+/* Implement the low_insert_point linux target op.
Returns 0 on success, -1 on failure and 1 on unsupported. */
-static int
-ppc_insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
- int size, struct raw_breakpoint *bp)
+int
+ppc_target::low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
+ int size, raw_breakpoint *bp)
{
switch (type)
{
}
}
-/* Implement remove_point target-ops.
+/* Implement the low_remove_point linux target op.
Returns 0 on success, -1 on failure and 1 on unsupported. */
-static int
-ppc_remove_point (enum raw_bkpt_type type, CORE_ADDR addr,
- int size, struct raw_breakpoint *bp)
+int
+ppc_target::low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
+ int size, raw_breakpoint *bp)
{
switch (type)
{
{
int i;
+ ppc_target *my_ppc_target = (ppc_target *) the_linux_target;
+
for (i = 0; i < 32; i++)
- ppc_collect_ptrace_register (regcache, i, (char *) buf + ppc_regmap[i]);
+ my_ppc_target->low_collect_ptrace_register (regcache, i,
+ (char *) buf + ppc_regmap[i]);
for (i = 64; i < 70; i++)
- ppc_collect_ptrace_register (regcache, i, (char *) buf + ppc_regmap[i]);
+ my_ppc_target->low_collect_ptrace_register (regcache, i,
+ (char *) buf + ppc_regmap[i]);
for (i = 71; i < 73; i++)
- ppc_collect_ptrace_register (regcache, i, (char *) buf + ppc_regmap[i]);
+ my_ppc_target->low_collect_ptrace_register (regcache, i,
+ (char *) buf + ppc_regmap[i]);
}
/* Program Priority Register regset fill function. */
supply_register_by_name (regcache, "spefscr", ®set->spefscr);
}
-/* Support for hardware single step. */
-
-static int
-ppc_supports_hardware_single_step (void)
-{
- return 1;
-}
-
static struct regset_info ppc_regsets[] = {
/* List the extra register sets before GENERAL_REGS. That way we will
fetch them every time, but still fall back to PTRACE_PEEKUSER for the
NULL, /* disabled_regsets */
};
-static struct regs_info regs_info =
+static struct regs_info myregs_info =
{
NULL, /* regset_bitmap */
&ppc_usrregs_info,
&ppc_regsets_info
};
-static const struct regs_info *
-ppc_regs_info (void)
+const regs_info *
+ppc_target::get_regs_info ()
{
- return ®s_info;
+ return &myregs_info;
}
-static void
-ppc_arch_setup (void)
+void
+ppc_target::low_arch_setup ()
{
const struct target_desc *tdesc;
struct regset_info *regset;
}
}
-/* Implementation of linux_target_ops method "supports_tracepoints". */
+/* Implementation of target ops method "supports_tracepoints". */
-static int
-ppc_supports_tracepoints (void)
+bool
+ppc_target::supports_tracepoints ()
{
- return 1;
+ return true;
}
/* Get the thread area address. This is used to recognize which
don't read anything from the address, and treat it as opaque; it's
the address itself that we assume is unique per-thread. */
-static int
-ppc_get_thread_area (int lwpid, CORE_ADDR *addr)
+int
+ppc_target::low_get_thread_area (int lwpid, CORE_ADDR *addr)
{
struct lwp_info *lwp = find_lwp_pid (ptid_t (lwpid));
struct thread_info *thr = get_lwp_thread (lwp);
*to += 4;
}
+bool
+ppc_target::supports_fast_tracepoints ()
+{
+ return true;
+}
+
/* Implement install_fast_tracepoint_jump_pad of target_ops.
See target.h for details. */
-static int
-ppc_install_fast_tracepoint_jump_pad (CORE_ADDR tpoint, CORE_ADDR tpaddr,
- CORE_ADDR collector,
- CORE_ADDR lockaddr,
- ULONGEST orig_size,
- CORE_ADDR *jump_entry,
- CORE_ADDR *trampoline,
- ULONGEST *trampoline_size,
- unsigned char *jjump_pad_insn,
- ULONGEST *jjump_pad_insn_size,
- CORE_ADDR *adjusted_insn_addr,
- CORE_ADDR *adjusted_insn_addr_end,
- char *err)
+int
+ppc_target::install_fast_tracepoint_jump_pad (CORE_ADDR tpoint,
+ CORE_ADDR tpaddr,
+ CORE_ADDR collector,
+ CORE_ADDR lockaddr,
+ ULONGEST orig_size,
+ CORE_ADDR *jump_entry,
+ CORE_ADDR *trampoline,
+ ULONGEST *trampoline_size,
+ unsigned char *jjump_pad_insn,
+ ULONGEST *jjump_pad_insn_size,
+ CORE_ADDR *adjusted_insn_addr,
+ CORE_ADDR *adjusted_insn_addr_end,
+ char *err)
{
uint32_t buf[256];
uint32_t *p = buf;
/* Returns the minimum instruction length for installing a tracepoint. */
-static int
-ppc_get_min_fast_tracepoint_insn_len (void)
+int
+ppc_target::get_min_fast_tracepoint_insn_len ()
{
return 4;
}
#endif
-/* Implementation of linux_target_ops method "emit_ops". */
+/* Implementation of target ops method "emit_ops". */
-static struct emit_ops *
-ppc_emit_ops (void)
+emit_ops *
+ppc_target::emit_ops ()
{
#ifdef __powerpc64__
struct regcache *regcache = get_thread_regcache (current_thread, 0);
return &ppc_emit_ops_impl;
}
-/* Implementation of linux_target_ops method "get_ipa_tdesc_idx". */
+/* Implementation of target ops method "get_ipa_tdesc_idx". */
-static int
-ppc_get_ipa_tdesc_idx (void)
+int
+ppc_target::get_ipa_tdesc_idx ()
{
struct regcache *regcache = get_thread_regcache (current_thread, 0);
const struct target_desc *tdesc = regcache->tdesc;
return 0;
}
-struct linux_target_ops the_low_target = {
- ppc_arch_setup,
- ppc_regs_info,
- ppc_cannot_fetch_register,
- ppc_cannot_store_register,
- NULL, /* fetch_register */
- ppc_get_pc,
- ppc_set_pc,
- NULL, /* breakpoint_kind_from_pc */
- ppc_sw_breakpoint_from_kind,
- NULL,
- 0,
- ppc_breakpoint_at,
- ppc_supports_z_point_type,
- ppc_insert_point,
- ppc_remove_point,
- NULL,
- NULL,
- ppc_collect_ptrace_register,
- ppc_supply_ptrace_register,
- NULL, /* siginfo_fixup */
- NULL, /* new_process */
- NULL, /* delete_process */
- NULL, /* new_thread */
- NULL, /* delete_thread */
- NULL, /* new_fork */
- NULL, /* prepare_to_resume */
- NULL, /* process_qsupported */
- ppc_supports_tracepoints,
- ppc_get_thread_area,
- ppc_install_fast_tracepoint_jump_pad,
- ppc_emit_ops,
- ppc_get_min_fast_tracepoint_insn_len,
- NULL, /* supports_range_stepping */
- NULL, /* breakpoint_kind_from_current_state */
- ppc_supports_hardware_single_step,
- NULL, /* get_syscall_trapinfo */
- ppc_get_ipa_tdesc_idx,
-};
-
/* The linux target ops object. */
linux_process_target *the_linux_target = &the_ppc_target;
projects / deliverable / binutils-gdb.git / blobdiff