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| author | Pedro Alves <palves@redhat.com> | 2012-03-28 18:30:01 +0000 |
|---|---|---|
| committer | Pedro Alves <palves@redhat.com> | 2012-03-28 18:30:01 +0000 |
| commit | c14dfd32064a2213d57d8ef551a9c64841e61032 (patch) | |
| tree | 5fc564505090c0694b3d502ab95126114453ed80 /gdb/gdbserver/linux-ia64-low.c | |
| parent | ca9b8b9ce80fad94ebfbbe5c2743764868c031eb (diff) | |
| download | gdb-c14dfd32064a2213d57d8ef551a9c64841e61032.zip gdb-c14dfd32064a2213d57d8ef551a9c64841e61032.tar.gz gdb-c14dfd32064a2213d57d8ef551a9c64841e61032.tar.bz2 | |
2012-03-28 Pedro Alves <palves@redhat.com>
* linux-ia64-low.c (ia64_regmap): Map IA64_EC_REGNUM to PT_AR_EC.
(IA64_GR0_REGNUM, IA64_FR0_REGNUM)
(IA64_FR1_REGNUM): New defines.
(ia64_fetch_register): New.
(the_low_target): Install it.
* linux-low.h (struct linux_target_ops) <fetch_register>: New
field.
* linux-low.c (linux_fetch_registers): Try the
the_low_target.fetch_register hook first.
* linux-arm-low.c (the_low_target): Adjust.
* linux-bfin-low.c (the_low_target): Adjust.
* linux-cris-low.c (the_low_target): Adjust.
* linux-crisv32-low.c (the_low_target): Adjust.
* linux-m32r-low.c (the_low_target): Adjust.
* linux-m68k-low.c (the_low_target): Adjust.
* linux-mips-low.c (the_low_target): Adjust.
* linux-ppc-low.c (the_low_target): Adjust.
* linux-s390-low.c (the_low_target): Adjust.
* linux-sh-low.c (the_low_target): Adjust.
* linux-sparc-low.c (the_low_target): Adjust.
* linux-tic6x-low.c (the_low_target): Adjust.
* linux-x86-low.c (the_low_target): Adjust.
* linux-xtensa-low.c (the_low_target): Adjust.
Diffstat (limited to 'gdb/gdbserver/linux-ia64-low.c')
| -rw-r--r-- | gdb/gdbserver/linux-ia64-low.c | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/gdb/gdbserver/linux-ia64-low.c b/gdb/gdbserver/linux-ia64-low.c index 8753190..c8fa603 100644 --- a/gdb/gdbserver/linux-ia64-low.c +++ b/gdb/gdbserver/linux-ia64-low.c @@ -256,7 +256,7 @@ static int ia64_regmap[] = -1, -1, -1, -1, -1, -1, -1, -1, -1, PT_AR_PFS, PT_AR_LC, - -1, /* Not available: EC, the Epilog Count register */ + PT_AR_EC, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, @@ -278,6 +278,48 @@ ia64_cannot_fetch_register (int regno) return 0; } +/* GDB register numbers. */ +#define IA64_GR0_REGNUM 0 +#define IA64_FR0_REGNUM 128 +#define IA64_FR1_REGNUM 129 + +static int +ia64_fetch_register (struct regcache *regcache, int regnum) +{ + /* r0 cannot be fetched but is always zero. */ + if (regnum == IA64_GR0_REGNUM) + { + const gdb_byte zero[8] = { 0 }; + + gdb_assert (sizeof (zero) == register_size (regnum)); + supply_register (regcache, regnum, zero); + return 1; + } + + /* fr0 cannot be fetched but is always zero. */ + if (regnum == IA64_FR0_REGNUM) + { + const gdb_byte f_zero[16] = { 0 }; + + gdb_assert (sizeof (f_zero) == register_size (regnum)); + supply_register (regcache, regnum, f_zero); + return 1; + } + + /* fr1 cannot be fetched but is always one (1.0). */ + if (regnum == IA64_FR1_REGNUM) + { + const gdb_byte f_one[16] = + { 0, 0, 0, 0, 0, 0, 0, 0x80, 0xff, 0xff, 0, 0, 0, 0, 0, 0 }; + + gdb_assert (sizeof (f_one) == register_size (regnum)); + supply_register (regcache, regnum, f_one); + return 1; + } + + return 0; +} + struct linux_target_ops the_low_target = { init_registers_ia64, ia64_num_regs, @@ -285,4 +327,5 @@ struct linux_target_ops the_low_target = { NULL, ia64_cannot_fetch_register, ia64_cannot_store_register, + ia64_fetch_register, }; |