From: Max Filippov Date: Sun, 17 May 2015 22:39:40 +0000 (+0300) Subject: xtensa: fix access to the last pseudo register X-Git-Tag: gdb-7.10-release~406 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8c6a948dbe1d6587058a85c31f4c9f5cf13bb464;p=external%2Fbinutils.git xtensa: fix access to the last pseudo register Currently access to the last pseudo register is aliased to a1. This is done by little snippets in the beginning of xtensa_pseudo_register_read and xtensa_pseudo_register_write that used to do such aliasing for FP register since bdb4c075a29dd086f0868b394b488b1c94666be6, but then FP_ALIAS was expanded into gdbarch_num_regs (current_gdbarch) + gdbarch_num_pseudo_regs (current_gdbarch) (one register past the last pseudo register) in 304fe2552d6e0821e8fdb7575f8e7ba6607a076d, which then was changed to the last pseudo register in 94a0e877111421d300d26b858bd3a0a27078d1e8. Drop these snippets. 2015-05-29 Max Filippov gdb/ * xtensa-tdep.c (xtensa_pseudo_register_read) (xtensa_pseudo_register_write): Don't alias last pseudo register to a1. --- diff --git a/gdb/ChangeLog b/gdb/ChangeLog index ab10166..7090e96 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,9 @@ +2015-05-29 Max Filippov + + * xtensa-tdep.c (xtensa_pseudo_register_read) + (xtensa_pseudo_register_write): Don't alias last pseudo register + to a1. + 2015-05-28 Don Breazeal * infrun.c (follow_fork_inferior): Ensure the use of diff --git a/gdb/xtensa-tdep.c b/gdb/xtensa-tdep.c index a66d00a..55e7d98 100644 --- a/gdb/xtensa-tdep.c +++ b/gdb/xtensa-tdep.c @@ -553,10 +553,6 @@ xtensa_pseudo_register_read (struct gdbarch *gdbarch, DEBUGTRACE ("xtensa_pseudo_register_read (... regnum = %d (%s) ...)\n", regnum, xtensa_register_name (gdbarch, regnum)); - if (regnum == gdbarch_num_regs (gdbarch) - + gdbarch_num_pseudo_regs (gdbarch) - 1) - regnum = gdbarch_tdep (gdbarch)->a0_base + 1; - /* Read aliases a0..a15, if this is a Windowed ABI. */ if (gdbarch_tdep (gdbarch)->isa_use_windowed_registers && (regnum >= gdbarch_tdep (gdbarch)->a0_base) @@ -653,10 +649,6 @@ xtensa_pseudo_register_write (struct gdbarch *gdbarch, DEBUGTRACE ("xtensa_pseudo_register_write (... regnum = %d (%s) ...)\n", regnum, xtensa_register_name (gdbarch, regnum)); - if (regnum == gdbarch_num_regs (gdbarch) - + gdbarch_num_pseudo_regs (gdbarch) -1) - regnum = gdbarch_tdep (gdbarch)->a0_base + 1; - /* Renumber register, if aliase a0..a15 on Windowed ABI. */ if (gdbarch_tdep (gdbarch)->isa_use_windowed_registers && (regnum >= gdbarch_tdep (gdbarch)->a0_base)