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[PING][PATCH v3 0/3] Aarch64: Fix segfault when casting dummy calls
- From: Alan Hayward <Alan dot Hayward at arm dot com>
- To: GDB Patches <gdb-patches at sourceware dot org>
- Cc: nd <nd at arm dot com>
- Date: Thu, 18 Oct 2018 09:50:40 +0000
- Subject: [PING][PATCH v3 0/3] Aarch64: Fix segfault when casting dummy calls
- References: <20181011144905.66908-1-alan.hayward@arm.com>
Ping.
> On 11 Oct 2018, at 15:49, Alan Hayward <Alan.Hayward@arm.com> wrote:
>
> Aarch64: Fix segfault when casting dummy calls
>
> Following Pedro's review I've squashed the new int param into a new enum
> and rewritten the test.
>
> Prevent the int cast in the following causing a segfault on aarch64:
> (gdb) b foo if (int)strcmp(name,"abc") == 0
> (gdb) run
>
> The fix is to remove a bunch of code from aarch64_push_dummy_call,
> instead passing down the information from the caller.
>
> Patch 1 removes two ints from call_function_by_hand_dummy, replacing
> them with an enum.
> Patch 2 passes that enum down to _push_dummy_call.
> Patch 3 makes use of the enum in aarch64_push_dummy_call and adds a
> test case.
>
> Tested with make check on aarch64 and build with all targets on x86.
> Patch 2 needs a careful scan to make sure it doesn't break any other
> targets.
>
>
> Alan Hayward (3):
> Use enum for return method for dummy calls
> Pass return_method to _push_dummy_call
> Aarch64: Fix segfault when casting dummy calls
>
> gdb/aarch64-tdep.c | 35 +----
> gdb/alpha-tdep.c | 7 +-
> gdb/amd64-tdep.c | 13 +-
> gdb/amd64-windows-tdep.c | 12 +-
> gdb/arc-tdep.c | 5 +-
> gdb/arm-tdep.c | 5 +-
> gdb/avr-tdep.c | 5 +-
> gdb/bfin-tdep.c | 4 +-
> gdb/cris-tdep.c | 9 +-
> gdb/csky-tdep.c | 5 +-
> gdb/frv-tdep.c | 5 +-
> gdb/gdbarch.c | 4 +-
> gdb/gdbarch.h | 21 ++-
> gdb/gdbarch.sh | 19 ++-
> gdb/h8300-tdep.c | 5 +-
> gdb/hppa-tdep.c | 10 +-
> gdb/i386-darwin-tdep.c | 5 +-
> gdb/i386-tdep.c | 5 +-
> gdb/ia64-tdep.c | 11 +-
> gdb/infcall.c | 28 ++--
> gdb/iq2000-tdep.c | 8 +-
> gdb/lm32-tdep.c | 5 +-
> gdb/m32c-tdep.c | 5 +-
> gdb/m32r-tdep.c | 5 +-
> gdb/m68hc11-tdep.c | 9 +-
> gdb/m68k-tdep.c | 5 +-
> gdb/mep-tdep.c | 4 +-
> gdb/mips-tdep.c | 19 +--
> gdb/mn10300-tdep.c | 6 +-
> gdb/msp430-tdep.c | 5 +-
> gdb/nds32-tdep.c | 5 +-
> gdb/nios2-tdep.c | 5 +-
> gdb/or1k-tdep.c | 5 +-
> gdb/ppc-sysv-tdep.c | 10 +-
> gdb/ppc-tdep.h | 25 ++--
> gdb/riscv-tdep.c | 8 +-
> gdb/rl78-tdep.c | 5 +-
> gdb/rs6000-aix-tdep.c | 5 +-
> gdb/rs6000-lynx178-tdep.c | 5 +-
> gdb/rx-tdep.c | 8 +-
> gdb/s390-tdep.c | 7 +-
> gdb/score-tdep.c | 5 +-
> gdb/sh-tdep.c | 9 +-
> gdb/sparc-tdep.c | 15 +-
> gdb/sparc64-tdep.c | 14 +-
> gdb/spu-tdep.c | 5 +-
> gdb/testsuite/gdb.base/condbreak-solib-lib.cc | 22 +++
> .../gdb.base/condbreak-solib-main.cc | 39 +++++
> gdb/testsuite/gdb.base/condbreak-solib.exp | 136 ++++++++++++++++++
> gdb/tic6x-tdep.c | 5 +-
> gdb/tilegx-tdep.c | 4 +-
> gdb/v850-tdep.c | 4 +-
> gdb/vax-tdep.c | 5 +-
> gdb/xstormy16-tdep.c | 5 +-
> gdb/xtensa-tdep.c | 10 +-
> 55 files changed, 444 insertions(+), 206 deletions(-)
> create mode 100644 gdb/testsuite/gdb.base/condbreak-solib-lib.cc
> create mode 100644 gdb/testsuite/gdb.base/condbreak-solib-main.cc
> create mode 100644 gdb/testsuite/gdb.base/condbreak-solib.exp
>
> --
> 2.17.1 (Apple Git-112)
>