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* mn10300-tdep.c (mn10300_dwarf2_reg_to_regnum): New function.

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(mn10300_gdbarch_init): Register mn10300_dwarf2_reg_to_regnum().
This commit is contained in:
Kevin Buettner 2005-09-03 01:12:21 +00:00
parent 2247615a0e
commit 336c28c5f7
2 changed files with 37 additions and 0 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2005-09-02 Kevin Buettner <kevinb@redhat.com>
* mn10300-tdep.c (mn10300_dwarf2_reg_to_regnum): New function.
(mn10300_gdbarch_init): Register mn10300_dwarf2_reg_to_regnum().
2005-09-02 Kevin Buettner <kevinb@redhat.com>
* mn10300-tdep.c (is_my_frame_in_sp, is_my_frame_in_fp)

32
gdb/mn10300-tdep.c
View File

@ -937,6 +937,37 @@ mn10300_push_dummy_call (struct gdbarch *gdbarch,
return sp;
}
/* If DWARF2 is a register number appearing in Dwarf2 debug info, then
mn10300_dwarf2_reg_to_regnum (DWARF2) is the corresponding GDB
register number. Why don't Dwarf2 and GDB use the same numbering?
Who knows? But since people have object files lying around with
the existing Dwarf2 numbering, and other people have written stubs
to work with the existing GDB, neither of them can change. So we
just have to cope. */
static int
mn10300_dwarf2_reg_to_regnum (int dwarf2)
{
/* This table is supposed to be shaped like the REGISTER_NAMES
initializer in gcc/config/mn10300/mn10300.h. Registers which
appear in GCC's numbering, but have no counterpart in GDB's
world, are marked with a -1. */
static int dwarf2_to_gdb[] = {
0, 1, 2, 3, 4, 5, 6, 7, -1, 8,
15, 16, 17, 18, 19, 20, 21, 22,
32, 33, 34, 35, 36, 37, 38, 39,
40, 41, 42, 43, 44, 45, 46, 47,
48, 49, 50, 51, 52, 53, 54, 55,
56, 57, 58, 59, 60, 61, 62, 63
};
if (dwarf2 < 0
|| dwarf2 >= (sizeof (dwarf2_to_gdb) / sizeof (dwarf2_to_gdb[0]))
|| dwarf2_to_gdb[dwarf2] == -1)
internal_error (__FILE__, __LINE__,
"bogus register number in debug info: %d", dwarf2);
return dwarf2_to_gdb[dwarf2];
}
static struct gdbarch *
mn10300_gdbarch_init (struct gdbarch_info info,
@ -977,6 +1008,7 @@ mn10300_gdbarch_init (struct gdbarch_info info,
set_gdbarch_write_pc (gdbarch, mn10300_write_pc);
set_gdbarch_pc_regnum (gdbarch, E_PC_REGNUM);
set_gdbarch_sp_regnum (gdbarch, E_SP_REGNUM);
set_gdbarch_dwarf2_reg_to_regnum (gdbarch, mn10300_dwarf2_reg_to_regnum);
/* Stack unwinding. */
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);