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2002-05-03 Michal Ludvig <mludvig@suse.cz>

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* x86-64-tdep.c (x86_64_dwarf2gdb_regno_map),
	(x86_64_dwarf2gdb_regno_map_length),
	(x86_64_dwarf2_reg_to_regnum): Added.
	(x86_64_gdbarch_init): Added registration of x86_64_dwarf2_reg_to_regnum.
	(x86_64_gdbarch_init): Renamed from i386_gdbarch_init.
	(_initialize_x86_64_tdep): Synced with the change above.
	(x86_64_skip_prologue): Reformulated message.
This commit is contained in:
Michal Ludvig 2002-05-03 10:52:00 +00:00
parent 065432a84e
commit 0e04a5142a
2 changed files with 60 additions and 7 deletions
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10
gdb/ChangeLog
View file

@ -1,3 +1,13 @@
2002-05-03 Michal Ludvig <mludvig@suse.cz>
* x86-64-tdep.c (x86_64_dwarf2gdb_regno_map),
(x86_64_dwarf2gdb_regno_map_length),
(x86_64_dwarf2_reg_to_regnum): Added.
(x86_64_gdbarch_init): Added registration of x86_64_dwarf2_reg_to_regnum.
(x86_64_gdbarch_init): Renamed from i386_gdbarch_init.
(_initialize_x86_64_tdep): Synced with the change above.
(x86_64_skip_prologue): Reformulated message.
2002-05-03 Pierre Muller <muller@ics.u-strasbg.fr>
* f-exp.y: Also use new prev_lexptr variable

57
gdb/x86-64-tdep.c
View file

@ -37,6 +37,7 @@
#define RDX_REGNUM 3
#define RDI_REGNUM 5
#define EFLAGS_REGNUM 17
#define ST0_REGNUM 22
#define XMM1_REGNUM 39
struct register_info
@ -106,6 +107,33 @@ static struct register_info x86_64_register_info_table[] = {
/* 54 */ {4, "mxcsr", &builtin_type_int32}
};
/* This array is a mapping from Dwarf-2 register
numbering to GDB's one. Dwarf-2 numbering is
defined in x86-64 ABI, section 3.6. */
static int x86_64_dwarf2gdb_regno_map[] = {
0, 1, 2, 3, /* RAX - RDX */
4, 5, 6, 7, /* RSI, RDI, RBP, RSP */
8, 9, 10, 11, /* R8 - R11 */
12, 13, 14, 15, /* R12 - R15 */
-1, /* RA - not mapped */
XMM1_REGNUM - 1, XMM1_REGNUM, /* XMM0 ... */
XMM1_REGNUM + 1, XMM1_REGNUM + 2,
XMM1_REGNUM + 3, XMM1_REGNUM + 4,
XMM1_REGNUM + 5, XMM1_REGNUM + 6,
XMM1_REGNUM + 7, XMM1_REGNUM + 8,
XMM1_REGNUM + 9, XMM1_REGNUM + 10,
XMM1_REGNUM + 11, XMM1_REGNUM + 12,
XMM1_REGNUM + 13, XMM1_REGNUM + 14, /* ... XMM15 */
ST0_REGNUM + 0, ST0_REGNUM + 1, /* ST0 ... */
ST0_REGNUM + 2, ST0_REGNUM + 3,
ST0_REGNUM + 4, ST0_REGNUM + 5,
ST0_REGNUM + 6, ST0_REGNUM + 7 /* ... ST7 */
};
static int x86_64_dwarf2gdb_regno_map_length =
sizeof (x86_64_dwarf2gdb_regno_map) /
sizeof (x86_64_dwarf2gdb_regno_map[0]);
/* Number of all registers */
#define X86_64_NUM_REGS (sizeof (x86_64_register_info_table) / \
sizeof (x86_64_register_info_table[0]))
@ -198,6 +226,19 @@ x86_64_register_convert_to_raw (struct type *type, int regnum,
memcpy (to, from, FPU_REG_RAW_SIZE);
}
/* Dwarf-2 <-> GDB register numbers mapping. */
int
x86_64_dwarf2_reg_to_regnum (int dw_reg)
{
if (dw_reg < 0 || dw_reg > x86_64_dwarf2gdb_regno_map_length)
{
warning ("Dwarf-2 uses unmapped register #%d\n", dw_reg);
return dw_reg;
}
return x86_64_dwarf2gdb_regno_map[dw_reg];
}
/* This is the variable that is set with "set disassembly-flavour", and
its legitimate values. */
static const char att_flavour[] = "att";
@ -822,7 +863,7 @@ x86_64_skip_prologue (CORE_ADDR pc)
{
printf_filtered
("NOTE: This function doesn't seem to have a valid prologue.\n"
" Try to add -fno-omit-frame-pointer tou your gcc's CFLAGS.\n");
" Consider adding -fno-omit-frame-pointer to your gcc's CFLAGS.\n");
omit_fp_note_printed++;
}
return pc;
@ -868,7 +909,7 @@ x86_64_breakpoint_from_pc (CORE_ADDR * pc, int *lenptr)
}
static struct gdbarch *
i386_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
x86_64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
struct gdbarch *gdbarch;
struct gdbarch_tdep *tdep;
@ -894,7 +935,7 @@ i386_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
break;
default:
internal_error (__FILE__, __LINE__,
"i386_gdbarch_init: unknown machine type");
"x86_64_gdbarch_init: unknown machine type");
}
break;
case bfd_mach_i386_i386:
@ -911,12 +952,12 @@ i386_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
return arches->gdbarch;
default:
internal_error (__FILE__, __LINE__,
"i386_gdbarch_init: unknown machine type");
"x86_64_gdbarch_init: unknown machine type");
}
break;
default:
internal_error (__FILE__, __LINE__,
"i386_gdbarch_init: unknown machine type");
"x86_64_gdbarch_init: unknown machine type");
}
}
@ -936,7 +977,7 @@ i386_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
break;
default:
internal_error (__FILE__, __LINE__,
"i386_gdbarch_init: unknown machine type");
"x86_64_gdbarch_init: unknown machine type");
}
set_gdbarch_long_bit (gdbarch, 64);
@ -1075,13 +1116,15 @@ i386_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
/* Use dwarf2 debug frame informations. */
set_gdbarch_dwarf2_build_frame_info (gdbarch, dwarf2_build_frame_info);
set_gdbarch_dwarf2_reg_to_regnum (gdbarch, x86_64_dwarf2_reg_to_regnum);
return gdbarch;
}
void
_initialize_x86_64_tdep (void)
{
register_gdbarch_init (bfd_arch_i386, i386_gdbarch_init);
register_gdbarch_init (bfd_arch_i386, x86_64_gdbarch_init);
/* Initialize the table saying where each register starts in the
register file. */