/* Target-dependent code for the Tilera TILE-Gx processor.
- Copyright (C) 2012-2015 Free Software Foundation, Inc.
+ Copyright (C) 2012-2018 Free Software Foundation, Inc.
This file is part of GDB.
#include "dis-asm.h"
#include "inferior.h"
#include "arch-utils.h"
-#include "floatformat.h"
#include "regcache.h"
#include "regset.h"
-#include "doublest.h"
#include "osabi.h"
#include "linux-tdep.h"
#include "objfiles.h"
#include "solib-svr4.h"
#include "tilegx-tdep.h"
#include "opcode/tilegx.h"
+#include <algorithm>
+#include "common/byte-vector.h"
struct tilegx_frame_cache
{
CORE_ADDR stack_dest = sp;
int argreg = TILEGX_R0_REGNUM;
int i, j;
- int typelen, slacklen, alignlen;
+ int typelen, slacklen;
static const gdb_byte four_zero_words[16] = { 0 };
/* If struct_return is 1, then the struct return address will
the stack, word aligned. */
for (j = nargs - 1; j >= i; j--)
{
- gdb_byte *val;
- struct cleanup *back_to;
const gdb_byte *contents = value_contents (args[j]);
typelen = TYPE_LENGTH (value_enclosing_type (args[j]));
slacklen = align_up (typelen, 8) - typelen;
- val = xmalloc (typelen + slacklen);
- back_to = make_cleanup (xfree, val);
- memcpy (val, contents, typelen);
- memset (val + typelen, 0, slacklen);
+ gdb::byte_vector val (typelen + slacklen);
+ memcpy (val.data (), contents, typelen);
+ memset (val.data () + typelen, 0, slacklen);
/* Now write data to the stack. The stack grows downwards. */
stack_dest -= typelen + slacklen;
- write_memory (stack_dest, val, typelen + slacklen);
- do_cleanups (back_to);
+ write_memory (stack_dest, val.data (), typelen + slacklen);
}
/* Add 16 bytes for linkage space to the stack. */
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR next_addr;
CORE_ADDR prolog_end = end_addr;
- ULONGEST inst, inst2;
- LONGEST offset;
- int regnum;
gdb_byte instbuf[32 * TILEGX_BUNDLE_SIZE_IN_BYTES];
CORE_ADDR instbuf_start;
unsigned int instbuf_size;
if (instbuf_size > size_on_same_page)
instbuf_size = size_on_same_page;
- instbuf_size = min (instbuf_size, (end_addr - next_addr));
+ instbuf_size = std::min ((CORE_ADDR) instbuf_size,
+ (end_addr - next_addr));
instbuf_start = next_addr;
status = safe_frame_unwind_memory (next_frame, instbuf_start,
instbuf, instbuf_size);
if (status == 0)
- memory_error (status, next_addr);
+ memory_error (TARGET_XFER_E_IO, next_addr);
}
reverse_frame_valid = 0;
for (i = 0; i < num_insns; i++)
{
struct tilegx_decoded_instruction *this_insn = &decoded[i];
- int64_t *operands = (int64_t *) this_insn->operand_values;
+ long long *operands = this_insn->operand_values;
const struct tilegx_opcode *opcode = this_insn->opcode;
switch (opcode->mnemonic)
= skip_prologue_using_sal (gdbarch, func_start);
if (post_prologue_pc != 0)
- return max (start_pc, post_prologue_pc);
+ return std::max (start_pc, post_prologue_pc);
}
/* Don't straddle a section boundary. */
s = find_pc_section (start_pc);
end_pc = start_pc + 8 * TILEGX_BUNDLE_SIZE_IN_BYTES;
if (s != NULL)
- end_pc = min (end_pc, obj_section_endaddr (s));
+ end_pc = std::min (end_pc, obj_section_endaddr (s));
/* Otherwise, try to skip prologue the hard way. */
return tilegx_analyze_prologue (gdbarch,
NULL, NULL);
}
-/* This is the implementation of gdbarch method in_function_epilogue_p. */
+/* This is the implementation of gdbarch method stack_frame_destroyed_p. */
static int
-tilegx_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc)
+tilegx_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc)
{
CORE_ADDR func_addr = 0, func_end = 0;
if (find_pc_partial_function (pc, NULL, &func_addr, &func_end))
{
- ULONGEST inst, inst2;
CORE_ADDR addr = func_end - TILEGX_BUNDLE_SIZE_IN_BYTES;
/* FIXME: Find the actual epilogue. */
INT_SWINT_1_SIGRETURN);
}
-/* This is the implementation of gdbarch method breakpoint_from_pc. */
+/* 64-bit pattern for a { bpt ; nop } bundle. */
+constexpr gdb_byte tilegx_break_insn[] =
+ { 0x00, 0x50, 0x48, 0x51, 0xae, 0x44, 0x6a, 0x28 };
-static const unsigned char *
-tilegx_breakpoint_from_pc (struct gdbarch *gdbarch,
- CORE_ADDR *pcptr, int *lenptr)
-{
- /* 64-bit pattern for a { bpt ; nop } bundle. */
- static const unsigned char breakpoint[] =
- { 0x00, 0x50, 0x48, 0x51, 0xae, 0x44, 0x6a, 0x28 };
-
- *lenptr = sizeof (breakpoint);
- return breakpoint;
-}
+typedef BP_MANIPULATION (tilegx_break_insn) tilegx_breakpoint;
/* Normal frames. */
struct gdbarch *gdbarch = get_frame_arch (this_frame);
struct tilegx_frame_cache *cache;
CORE_ADDR current_pc;
- int i;
if (*this_cache)
- return *this_cache;
+ return (struct tilegx_frame_cache *) *this_cache;
cache = FRAME_OBSTACK_ZALLOC (struct tilegx_frame_cache);
*this_cache = cache;
set_gdbarch_skip_prologue (gdbarch, tilegx_skip_prologue);
- set_gdbarch_in_function_epilogue_p (gdbarch,
- tilegx_in_function_epilogue_p);
+ set_gdbarch_stack_frame_destroyed_p (gdbarch, tilegx_stack_frame_destroyed_p);
/* Map debug registers into internal register numbers. */
set_gdbarch_dwarf2_reg_to_regnum (gdbarch, tilegx_dwarf2_reg_to_regnum);
set_gdbarch_push_dummy_call (gdbarch, tilegx_push_dummy_call);
set_gdbarch_get_longjmp_target (gdbarch, tilegx_get_longjmp_target);
set_gdbarch_write_pc (gdbarch, tilegx_write_pc);
- set_gdbarch_breakpoint_from_pc (gdbarch, tilegx_breakpoint_from_pc);
+ set_gdbarch_breakpoint_kind_from_pc (gdbarch,
+ tilegx_breakpoint::kind_from_pc);
+ set_gdbarch_sw_breakpoint_from_kind (gdbarch,
+ tilegx_breakpoint::bp_from_kind);
set_gdbarch_return_value (gdbarch, tilegx_return_value);
- set_gdbarch_print_insn (gdbarch, print_insn_tilegx);
-
gdbarch_init_osabi (info, gdbarch);
dwarf2_append_unwinders (gdbarch);
return gdbarch;
}
-/* Provide a prototype to silence -Wmissing-prototypes. */
-extern initialize_file_ftype _initialize_tilegx_tdep;
-
void
_initialize_tilegx_tdep (void)
{
projects / deliverable / binutils-gdb.git / blobdiff