diff options
| -rw-r--r-- | gdb/ChangeLog | 10 | ||||
| -rw-r--r-- | gdb/x86-64-tdep.c | 57 |
2 files changed, 60 insertions, 7 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 459dfb9..88d38de7 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -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 diff --git a/gdb/x86-64-tdep.c b/gdb/x86-64-tdep.c index 8d3ad87..50b0227 100644 --- a/gdb/x86-64-tdep.c +++ b/gdb/x86-64-tdep.c @@ -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. */ |