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-rw-r--r--gdb/ChangeLog5
-rw-r--r--gdb/mips-tdep.c8
2 files changed, 13 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index fd79872..b9a9bcd 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
2018-02-26 Maciej W. Rozycki <macro@mips.com>
+ * mips-tdep.c (mips_gdbarch_init): Don't use a 32-bit BFD
+ architecture with a 64-bit ABI.
+
+2018-02-26 Maciej W. Rozycki <macro@mips.com>
+
* gdb/mips-tdep.c (mips_gdbarch_init): Reorder ABI determination
ahead of target description loading.
diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c
index ae747ff..f9f84c4 100644
--- a/gdb/mips-tdep.c
+++ b/gdb/mips-tdep.c
@@ -8185,6 +8185,14 @@ mips_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
fprintf_unfiltered (gdb_stdlog, "mips_gdbarch_init: mips_abi = %d\n",
mips_abi);
+ /* Make sure we don't use a 32-bit architecture with a 64-bit ABI. */
+ if (mips_abi != MIPS_ABI_EABI32
+ && mips_abi != MIPS_ABI_O32
+ && info.bfd_arch_info != NULL
+ && info.bfd_arch_info->arch == bfd_arch_mips
+ && info.bfd_arch_info->bits_per_word < 64)
+ info.bfd_arch_info = bfd_lookup_arch (bfd_arch_mips, bfd_mach_mips4000);
+
/* Determine the default compressed ISA. */
if ((elf_flags & EF_MIPS_ARCH_ASE_MICROMIPS) != 0
&& (elf_flags & EF_MIPS_ARCH_ASE_M16) == 0)