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2015-09-21Make aarch64_decode_adrp handle both ADR and ADRP instructionsPierre Langlois2-6/+26
We will need to decode both ADR and ADRP instructions in GDBserver. This patch makes common code handle both cases, even if GDB only needs to decode the ADRP instruction. gdb/ChangeLog: * aarch64-tdep.c (aarch64_analyze_prologue): New is_adrp variable. Call aarch64_decode_adr instead of aarch64_decode_adrp. * arch/aarch64-insn.h (aarch64_decode_adrp): Delete. (aarch64_decode_adr): New function declaration. * arch/aarch64-insn.c (aarch64_decode_adrp): Delete. (aarch64_decode_adr): New function, factored out from aarch64_decode_adrp to decode both adr and adrp instructions.
2015-09-21Move instruction decoding into new arch/ directoryPierre Langlois2-0/+256
This patch moves the following functions into the arch/ common directory, in new files arch/aarch64-insn.{h,c}. They are prefixed with 'aarch64_': - aarch64_decode_adrp - aarch64_decode_b - aarch64_decode_cb - aarch64_decode_tb We will need them to implement fast tracepoints in GDBserver. For consistency, this patch also adds the 'aarch64_' prefix to static decoding functions that do not need to be shared right now. V2: make sure the formatting issues propagated fix `gdbserver/configure.srv'. gdb/ChangeLog: * Makefile.in (ALL_64_TARGET_OBS): Add aarch64-insn.o. (HFILES_NO_SRCDIR): Add arch/aarch64-insn.h. (aarch64-insn.o): New rule. * configure.tgt (aarch64*-*-elf): Add aarch64-insn.o. (aarch64*-*-linux*): Likewise. * arch/aarch64-insn.c: New file. * arch/aarch64-insn.h: New file. * aarch64-tdep.c: Include arch/aarch64-insn.h. (aarch64_debug): Move to arch/aarch64-insn.c. Declare in arch/aarch64-insn.h. (decode_add_sub_imm): Rename to ... (aarch64_decode_add_sub_imm): ... this. (decode_adrp): Rename to ... (aarch64_decode_adrp): ... this. Move to arch/aarch64-insn.c. Declare in arch/aarch64-insn.h. (decode_b): Rename to ... (aarch64_decode_b): ... this. Move to arch/aarch64-insn.c. Declare in arch/aarch64-insn.h. (decode_bcond): Rename to ... (aarch64_decode_bcond): ... this. Move to arch/aarch64-insn.c. Declare in arch/aarch64-insn.h. (decode_br): Rename to ... (aarch64_decode_br): ... this. (decode_cb): Rename to ... (aarch64_decode_cb): ... this. Move to arch/aarch64-insn.c. Declare in arch/aarch64-insn.h. (decode_eret): Rename to ... (aarch64_decode_eret): ... this. (decode_movz): Rename to ... (aarch64_decode_movz): ... this. (decode_orr_shifted_register_x): Rename to ... (aarch64_decode_orr_shifted_register_x): ... this. (decode_ret): Rename to ... (aarch64_decode_ret): ... this. (decode_stp_offset): Rename to ... (aarch64_decode_stp_offset): ... this. (decode_stp_offset_wb): Rename to ... (aarch64_decode_stp_offset_wb): ... this. (decode_stur): Rename to ... (aarch64_decode_stur): ... this. (decode_tb): Rename to ... (aarch64_decode_tb): ... this. Move to arch/aarch64-insn.c. Declare in arch/aarch64-insn.h. (aarch64_analyze_prologue): Adjust calls to renamed functions. gdb/gdbserver/ChangeLog: * Makefile.in (aarch64-insn.o): New rule. * configure.srv (aarch64*-*-linux*): Add aarch64-insn.o.
2015-08-21xtensa: implement NPTL helpersMax Filippov1-0/+46
These changes allow debugging multithreaded NPTL xtensa applications. 2015-08-20 Max Filippov <jcmvbkbc@gmail.com> gdb/gdbserver/ * configure.srv (xtensa*-*-linux*): Add srv_linux_thread_db=yes. * linux-xtensa-low.c (arch/xtensa.h gdb_proc_service.h): New #includes. (ps_get_thread_area): New function. 2015-08-20 Max Filippov <jcmvbkbc@gmail.com> gdb/ * arch/xtensa.h: New file. * xtensa-linux-nat.c (gdb_proc_service.h): New #include. (ps_get_thread_area): New function. * xtensa-linux-tdep.c (xtensa_linux_init_abi): Add call to set_gdbarch_fetch_tls_load_module_address to enable TLS support. * xtensa-tdep.c (osabi.h): New #include. (xtensa_gdbarch_init): Call gdbarch_init_osabi to register xtensa-specific hooks. * xtensa-tdep.h (struct xtensa_elf_gregset_t): Add threadptr member and move the structure to arch/xtensa.h.
2015-07-30Move ARM register numbers enum to arch/arm.hYao Qi1-0/+61
This patch moves ARM register numbers enum to arch/arm.h, so that it can used by GDBserver too. This patch also creates a new directory gdb/arch in which arch-specific or target-specific files are placed. gdb: 2015-07-30 Yao Qi <yao.qi@linaro.org> * arm-tdep.h (enum gdb_regnum): Move it to ... * arch/arm.h: ... here. New file. * Makefile.in (HFILES_NO_SRCDIR): Add arch/arm.h.