/* Intel 386 target-dependent stuff.
- Copyright (C) 1988-2014 Free Software Foundation, Inc.
+ Copyright (C) 1988-2015 Free Software Foundation, Inc.
This file is part of GDB.
#include "dis-asm.h"
#include "disasm.h"
#include "remote.h"
-#include "exceptions.h"
#include "i386-tdep.h"
#include "i387-tdep.h"
#include "x86-xstate.h"
{
CORE_ADDR post_prologue_pc
= skip_prologue_using_sal (gdbarch, func_addr);
- struct symtab *s = find_pc_symtab (func_addr);
+ struct compunit_symtab *cust = find_pc_compunit_symtab (func_addr);
/* Clang always emits a line note before the prologue and another
one after. We trust clang to emit usable line notes. */
if (post_prologue_pc
- && (s != NULL
- && s->producer != NULL
- && strncmp (s->producer, "clang ", sizeof ("clang ") - 1) == 0))
+ && (cust != NULL
+ && COMPUNIT_PRODUCER (cust) != NULL
+ && strncmp (COMPUNIT_PRODUCER (cust), "clang ",
+ sizeof ("clang ") - 1) == 0))
return max (start_pc, post_prologue_pc);
}
i386_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc)
{
gdb_byte insn;
- struct symtab *symtab;
+ struct compunit_symtab *cust;
- symtab = find_pc_symtab (pc);
- if (symtab && symtab->epilogue_unwind_valid)
+ cust = find_pc_compunit_symtab (pc);
+ if (cust != NULL && COMPUNIT_EPILOGUE_UNWIND_VALID (cust))
return 0;
if (target_read_memory (pc, &insn, 1))
i387_collect_fsave (regcache, regnum, fpregs);
}
-/* Similar to i386_supply_fpregset, but use XSAVE extended state. */
-
-static void
-i386_supply_xstateregset (const struct regset *regset,
- struct regcache *regcache, int regnum,
- const void *xstateregs, size_t len)
-{
- i387_supply_xsave (regcache, regnum, xstateregs);
-}
-
-/* Similar to i386_collect_fpregset , but use XSAVE extended state. */
-
-static void
-i386_collect_xstateregset (const struct regset *regset,
- const struct regcache *regcache,
- int regnum, void *xstateregs, size_t len)
-{
- i387_collect_xsave (regcache, regnum, xstateregs, 1);
-}
-
/* Register set definitions. */
const struct regset i386_gregset =
NULL, i386_supply_gregset, i386_collect_gregset
};
-static const struct regset i386_fpregset =
+const struct regset i386_fpregset =
{
NULL, i386_supply_fpregset, i386_collect_fpregset
};
-static const struct regset i386_xstateregset =
- {
- NULL, i386_supply_xstateregset, i386_collect_xstateregset
- };
+/* Default iterator over core file register note sections. */
-/* Return the appropriate register set for the core section identified
- by SECT_NAME and SECT_SIZE. */
-
-const struct regset *
-i386_regset_from_core_section (struct gdbarch *gdbarch,
- const char *sect_name, size_t sect_size)
+void
+i386_iterate_over_regset_sections (struct gdbarch *gdbarch,
+ iterate_over_regset_sections_cb *cb,
+ void *cb_data,
+ const struct regcache *regcache)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- if (strcmp (sect_name, ".reg") == 0 && sect_size == tdep->sizeof_gregset)
- return &i386_gregset;
-
- if ((strcmp (sect_name, ".reg2") == 0 && sect_size == tdep->sizeof_fpregset)
- || (strcmp (sect_name, ".reg-xfp") == 0
- && sect_size == I387_SIZEOF_FXSAVE))
- return &i386_fpregset;
-
- if (strcmp (sect_name, ".reg-xstate") == 0)
- return &i386_xstateregset;
-
- return NULL;
+ cb (".reg", tdep->sizeof_gregset, &i386_gregset, NULL, cb_data);
+ if (tdep->sizeof_fpregset)
+ cb (".reg2", tdep->sizeof_fpregset, tdep->fpregset, NULL, cb_data);
}
\f
\f
+/* gdbarch gnu_triplet_regexp method. Both arches are acceptable as GDB always
+ also supplies -m64 or -m32 by gdbarch_gcc_target_options. */
+
+static const char *
+i386_gnu_triplet_regexp (struct gdbarch *gdbarch)
+{
+ return "(x86_64|i.86)";
+}
+
+\f
+
/* Generic ELF. */
void
i386_stap_is_single_operand);
set_gdbarch_stap_parse_special_token (gdbarch,
i386_stap_parse_special_token);
+
+ set_gdbarch_gnu_triplet_regexp (gdbarch, i386_gnu_triplet_regexp);
}
/* System V Release 4 (SVR4). */
set_gdbarch_sdb_reg_to_regnum (gdbarch, i386_svr4_reg_to_regnum);
set_gdbarch_has_dos_based_file_system (gdbarch, 1);
+
+ set_gdbarch_gnu_triplet_regexp (gdbarch, i386_gnu_triplet_regexp);
}
\f
return read_memory_unsigned_integer (sp + (4 * (argi + 1)), 4, byte_order);
}
-static void
-i386_skip_permanent_breakpoint (struct regcache *regcache)
-{
- CORE_ADDR current_pc = regcache_read_pc (regcache);
-
- /* On i386, breakpoint is exactly 1 byte long, so we just
- adjust the PC in the regcache. */
- current_pc += 1;
- regcache_write_pc (regcache, current_pc);
-}
-
-
#define PREFIX_REPZ 0x01
#define PREFIX_REPNZ 0x02
#define PREFIX_LOCK 0x04
/* Floating-point registers. */
tdep->sizeof_fpregset = I387_SIZEOF_FSAVE;
+ tdep->fpregset = &i386_fpregset;
/* The default settings include the FPU registers, the MMX registers
and the SSE registers. This can be overridden for a specific ABI
gap for the upper AVX, MPX and AVX512 registers. */
set_gdbarch_num_regs (gdbarch, I386_AVX512_NUM_REGS);
+ set_gdbarch_gnu_triplet_regexp (gdbarch, i386_gnu_triplet_regexp);
+
/* Get the x86 target description from INFO. */
tdesc = info.target_desc;
if (! tdesc_has_registers (tdesc))
/* If we have a register mapping, enable the generic core file
support, unless it has already been enabled. */
if (tdep->gregset_reg_offset
- && !gdbarch_regset_from_core_section_p (gdbarch))
- set_gdbarch_regset_from_core_section (gdbarch,
- i386_regset_from_core_section);
-
- set_gdbarch_skip_permanent_breakpoint (gdbarch,
- i386_skip_permanent_breakpoint);
+ && !gdbarch_iterate_over_regset_sections_p (gdbarch))
+ set_gdbarch_iterate_over_regset_sections
+ (gdbarch, i386_iterate_over_regset_sections);
set_gdbarch_fast_tracepoint_valid_at (gdbarch,
i386_fast_tracepoint_valid_at);
projects / deliverable / binutils-gdb.git / blobdiff