diff options
| -rw-r--r-- | sim/mips/ChangeLog | 6 | ||||
| -rw-r--r-- | sim/mips/interp.c | 11 |
2 files changed, 11 insertions, 6 deletions
diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog index 85ce1ac..123d722 100644 --- a/sim/mips/ChangeLog +++ b/sim/mips/ChangeLog @@ -1,3 +1,9 @@ +2021-05-22 Faraz Shahbazker <fshahbazker@wavecomp.com> + +sim/mips/ChangeLog: + * interp.c (sim_create_inferior): Only truncate sign extension + bits for 32-bit target models. + 2021-05-17 Mike Frysinger <vapier@gentoo.org> * sim-main.h (SIM_HAVE_COMMON_SIM_STATE): Delete. diff --git a/sim/mips/interp.c b/sim/mips/interp.c index 2839715..6e00fd0 100644 --- a/sim/mips/interp.c +++ b/sim/mips/interp.c @@ -1014,12 +1014,11 @@ sim_create_inferior (SIM_DESC sd, struct bfd *abfd, sim_cpu *cpu = STATE_CPU (sd, cpu_nr); sim_cia pc = bfd_get_start_address (abfd); - /* We need to undo brain-dead bfd behavior where it sign-extends - addresses that are supposed to be unsigned. See the mips bfd - sign_extend_vma setting. We have to check the ELF data itself - in order to handle o32 & n32 ABIs. */ - if (abfd->tdata.elf_obj_data->elf_header->e_ident[EI_CLASS] == - ELFCLASS32) + /* The 64-bit BFD sign-extends MIPS addresses to model + 32-bit compatibility segments with 64-bit addressing. + These addresses work as is on 64-bit targets but + can be truncated for 32-bit targets. */ + if (WITH_TARGET_WORD_BITSIZE == 32) pc = (unsigned32) pc; CPU_PC_SET (cpu, pc); |