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authorSergio Durigan Junior <sergiodj@redhat.com>2018-06-29 21:36:42 -0400
committerSergio Durigan Junior <sergiodj@redhat.com>2018-06-29 21:38:46 -0400
commitc0867626d277101afcead91e94f20cbe89a3aced (patch)
treed883cdd2365a8e6c8684eba43a0bb6532a448fa0 /Makefile.in
parent6d3c4956402409b711738f2c0afc02f6c9d5782e (diff)
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Add missing parameter to 'amd64_create_target_description' (and unbreak build)
While building gdbserver on GNU/Linux, the build failed with: ../../../binutils-gdb/gdb/gdbserver/linux-x86-tdesc.c: In function ‘const target_desc* amd64_linux_read_description(uint64_t, bool)’: ../../../binutils-gdb/gdb/gdbserver/linux-x86-tdesc.c:121:67: error: too few arguments to function ‘target_desc* amd64_create_target_description(uint64_t, bool, bool, bool)’ *tdesc = amd64_create_target_description (xcr0, is_x32, true); ^ In file included from ../../../binutils-gdb/gdb/gdbserver/linux-x86-tdesc.c:26:0: ../../../binutils-gdb/gdb/gdbserver/../arch/amd64.h:21:14: note: declared here target_desc *amd64_create_target_description (uint64_t xcr0, bool is_x32, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ According to Joel Brobecker: > I think the parameter should be set to "true". Otherwise, it will > not include the fs_base and gs_base register in the list of registers. > Although the name of the source file says x86, the code itself is > protected by... > > #ifdef __x86_64__ > > ... and is inside a function called amd64_linux_read_description. > I also verified that this file gets compiled on amd64-linux platforms. > See gdb/gdbserver/configure.srv: > > x86_64-*-linux*) srv_regobj="$srv_amd64_linux_regobj $srv_i386_linux_regobj" > > The last piece of confirmation is that setting the parameter to "true" > provides the behavior before the parameter was added; and the reason > for adding the parameter was to remove the {fs,gs}_base registers > from the list for Windows only. Therefore I'm pushing the patch to unbreak the build. gdb/gdbserver/ChangeLog: 2018-06-29 Joel Brobecker <brobecker@adacore.com> * linux-x86-tdesc.c (amd64_linux_read_description): Add missing parameter in call to 'amd64_create_target_description'.
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