From: Tankut Baris Aktemur Date: Thu, 2 Apr 2020 13:11:27 +0000 (+0200) Subject: gdbserver/linux-low: turn 'supports_z_point_type' into a method X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=007c9b975dcb9ad50b45d52d2d7a955537beefb7;p=binutils-gdb.git gdbserver/linux-low: turn 'supports_z_point_type' into a method gdbserver/ChangeLog: 2020-04-02 Tankut Baris Aktemur Remove the 'supports_z_point_type' linux target op and let the concrete linux target define it by overriding the op declared in process_stratum_target. * linux-low.cc (linux_process_target::supports_z_point_type): Remove. * linux-low.h (struct linux_target_ops): Remove the op. (class linux_process_target) : Remove. * linux-x86-low.cc (class x86_target) : Declare. (x86_supports_z_point_type): Turn into... (x86_target::supports_z_point_type): ...this. (the_low_target): Remove the op field. * linux-aarch64-low.cc (class aarch64_target) : Declare. (aarch64_supports_z_point_type): Turn into... (aarch64_target::supports_z_point_type): ...this. (the_low_target): Remove the op field. * linux-arm-low.cc (class arm_target) : Declare. (arm_supports_z_point_type): Turn into... (arm_target::supports_z_point_type): ...this. (the_low_target): Remove the op field. * linux-crisv32-low.cc (class crisv32_target) : Declare. (cris_supports_z_point_type): Turn into... (crisv32_target::supports_z_point_type): ...this. (the_low_target): Remove the op field. * linux-mips-low.cc (class mips_target) : Declare. (mips_supports_z_point_type): Turn into... (mips_target::supports_z_point_type): ...this. (the_low_target): Remove the op field. * linux-ppc-low.cc (class ppc_target) : Declare. (ppc_supports_z_point_type): Turn into... (ppc_target::supports_z_point_type): ...this. (the_low_target): Remove the op field. * linux-s390-low.cc (class s390_target) : Declare. (s390_supports_z_point_type): Turn into... (s390_target::supports_z_point_type): ...this. (the_low_target): Remove the op field. * linux-bfin-low.cc (the_low_target): Remove the op field. * linux-m32r-low.cc (the_low_target): Ditto. * linux-m68k-low.cc (the_low_target): Ditto. * linux-sh-low.cc (the_low_target): Ditto. * linux-sparc-low.cc (the_low_target): Ditto. * linux-tic6x-low.cc (the_low_target): Ditto. * linux-tile-low.cc (the_low_target): Ditto. * linux-xtensa-low.cc (the_low_target): Ditto. --- diff --git a/gdbserver/ChangeLog b/gdbserver/ChangeLog index 1750dbf5110..5e6861af183 100644 --- a/gdbserver/ChangeLog +++ b/gdbserver/ChangeLog @@ -1,3 +1,57 @@ +2020-04-02 Tankut Baris Aktemur + + Remove the 'supports_z_point_type' linux target op and let the + concrete linux target define it by overriding the op declared in + process_stratum_target. + + * linux-low.cc (linux_process_target::supports_z_point_type): + Remove. + * linux-low.h (struct linux_target_ops): Remove the op. + (class linux_process_target) : Remove. + * linux-x86-low.cc (class x86_target) : + Declare. + (x86_supports_z_point_type): Turn into... + (x86_target::supports_z_point_type): ...this. + (the_low_target): Remove the op field. + * linux-aarch64-low.cc (class aarch64_target) + : Declare. + (aarch64_supports_z_point_type): Turn into... + (aarch64_target::supports_z_point_type): ...this. + (the_low_target): Remove the op field. + * linux-arm-low.cc (class arm_target) : + Declare. + (arm_supports_z_point_type): Turn into... + (arm_target::supports_z_point_type): ...this. + (the_low_target): Remove the op field. + * linux-crisv32-low.cc (class crisv32_target) + : Declare. + (cris_supports_z_point_type): Turn into... + (crisv32_target::supports_z_point_type): ...this. + (the_low_target): Remove the op field. + * linux-mips-low.cc (class mips_target) : + Declare. + (mips_supports_z_point_type): Turn into... + (mips_target::supports_z_point_type): ...this. + (the_low_target): Remove the op field. + * linux-ppc-low.cc (class ppc_target) : + Declare. + (ppc_supports_z_point_type): Turn into... + (ppc_target::supports_z_point_type): ...this. + (the_low_target): Remove the op field. + * linux-s390-low.cc (class s390_target) : + Declare. + (s390_supports_z_point_type): Turn into... + (s390_target::supports_z_point_type): ...this. + (the_low_target): Remove the op field. + * linux-bfin-low.cc (the_low_target): Remove the op field. + * linux-m32r-low.cc (the_low_target): Ditto. + * linux-m68k-low.cc (the_low_target): Ditto. + * linux-sh-low.cc (the_low_target): Ditto. + * linux-sparc-low.cc (the_low_target): Ditto. + * linux-tic6x-low.cc (the_low_target): Ditto. + * linux-tile-low.cc (the_low_target): Ditto. + * linux-xtensa-low.cc (the_low_target): Ditto. + 2020-04-02 Tankut Baris Aktemur Turn the 'breakpoint_at' linux target op into a method of diff --git a/gdbserver/linux-aarch64-low.cc b/gdbserver/linux-aarch64-low.cc index 2fc38748e1b..9727d5db85a 100644 --- a/gdbserver/linux-aarch64-low.cc +++ b/gdbserver/linux-aarch64-low.cc @@ -63,6 +63,8 @@ public: const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override; + bool supports_z_point_type (char z_type) override; + protected: void low_arch_setup () override; @@ -288,10 +290,10 @@ aarch64_get_debug_reg_state (pid_t pid) return &proc->priv->arch_private->debug_reg_state; } -/* Implementation of linux_target_ops method "supports_z_point_type". */ +/* Implementation of target ops method "supports_z_point_type". */ -static int -aarch64_supports_z_point_type (char z_type) +bool +aarch64_target::supports_z_point_type (char z_type) { switch (z_type) { @@ -300,9 +302,9 @@ aarch64_supports_z_point_type (char z_type) case Z_PACKET_WRITE_WP: case Z_PACKET_READ_WP: case Z_PACKET_ACCESS_WP: - return 1; + return true; default: - return 0; + return false; } } @@ -3104,7 +3106,6 @@ aarch64_supports_hardware_single_step (void) struct linux_target_ops the_low_target = { - aarch64_supports_z_point_type, aarch64_insert_point, aarch64_remove_point, aarch64_stopped_by_watchpoint, diff --git a/gdbserver/linux-arm-low.cc b/gdbserver/linux-arm-low.cc index afbe0beca62..2d6035cd07b 100644 --- a/gdbserver/linux-arm-low.cc +++ b/gdbserver/linux-arm-low.cc @@ -70,6 +70,8 @@ public: bool supports_software_single_step () override; + bool supports_z_point_type (char z_type) override; + protected: void low_arch_setup () override; @@ -556,8 +558,8 @@ update_registers_callback (thread_info *thread, int watch, int i) linux_stop_lwp (lwp); } -static int -arm_supports_z_point_type (char z_type) +bool +arm_target::supports_z_point_type (char z_type) { switch (z_type) { @@ -566,10 +568,10 @@ arm_supports_z_point_type (char z_type) case Z_PACKET_WRITE_WP: case Z_PACKET_READ_WP: case Z_PACKET_ACCESS_WP: - return 1; + return true; default: /* Leave the handling of sw breakpoints with the gdb client. */ - return 0; + return false; } } @@ -1093,7 +1095,6 @@ arm_target::get_regs_info () } struct linux_target_ops the_low_target = { - arm_supports_z_point_type, arm_insert_point, arm_remove_point, arm_stopped_by_watchpoint, diff --git a/gdbserver/linux-bfin-low.cc b/gdbserver/linux-bfin-low.cc index 351c7ae5c97..5384fa897b8 100644 --- a/gdbserver/linux-bfin-low.cc +++ b/gdbserver/linux-bfin-low.cc @@ -171,7 +171,6 @@ bfin_target::get_regs_info () } struct linux_target_ops the_low_target = { - NULL, /* supports_z_point_type */ NULL, /* insert_point */ NULL, /* remove_point */ NULL, /* stopped_by_watchpoint */ diff --git a/gdbserver/linux-crisv32-low.cc b/gdbserver/linux-crisv32-low.cc index 8d84a8d8a1f..761e4e243ac 100644 --- a/gdbserver/linux-crisv32-low.cc +++ b/gdbserver/linux-crisv32-low.cc @@ -30,6 +30,8 @@ public: const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override; + bool supports_z_point_type (char z_type) override; + protected: void low_arch_setup () override; @@ -177,17 +179,17 @@ cris_write_data_breakpoint (struct regcache *regcache, } } -static int -cris_supports_z_point_type (char z_type) +bool +crisv32_target::supports_z_point_type (char z_type) { switch (z_type) { case Z_PACKET_WRITE_WP: case Z_PACKET_READ_WP: case Z_PACKET_ACCESS_WP: - return 1; + return true; default: - return 0; + return false; } } @@ -456,7 +458,6 @@ crisv32_target::get_regs_info () } struct linux_target_ops the_low_target = { - cris_supports_z_point_type, cris_insert_point, cris_remove_point, cris_stopped_by_watchpoint, diff --git a/gdbserver/linux-low.cc b/gdbserver/linux-low.cc index b3f87947ff6..9a5c735c5c5 100644 --- a/gdbserver/linux-low.cc +++ b/gdbserver/linux-low.cc @@ -5829,17 +5829,6 @@ linux_process_target::read_auxv (CORE_ADDR offset, unsigned char *myaddr, return n; } -/* These breakpoint and watchpoint related wrapper functions simply - pass on the function call if the target has registered a - corresponding function. */ - -bool -linux_process_target::supports_z_point_type (char z_type) -{ - return (the_low_target.supports_z_point_type != NULL - && the_low_target.supports_z_point_type (z_type)); -} - int linux_process_target::insert_point (enum raw_bkpt_type type, CORE_ADDR addr, int size, raw_breakpoint *bp) diff --git a/gdbserver/linux-low.h b/gdbserver/linux-low.h index 5dcddc41aaa..c80237c8aa2 100644 --- a/gdbserver/linux-low.h +++ b/gdbserver/linux-low.h @@ -133,7 +133,6 @@ struct linux_target_ops { /* Breakpoint and watchpoint related functions. See target.h for comments. */ - int (*supports_z_point_type) (char z_type); int (*insert_point) (enum raw_bkpt_type type, CORE_ADDR addr, int size, struct raw_breakpoint *bp); int (*remove_point) (enum raw_bkpt_type type, CORE_ADDR addr, @@ -279,8 +278,6 @@ public: int read_auxv (CORE_ADDR offset, unsigned char *myaddr, unsigned int len) override; - bool supports_z_point_type (char z_type) override; - int insert_point (enum raw_bkpt_type type, CORE_ADDR addr, int size, raw_breakpoint *bp) override; diff --git a/gdbserver/linux-m32r-low.cc b/gdbserver/linux-m32r-low.cc index f24f0425b98..2f331b4a02a 100644 --- a/gdbserver/linux-m32r-low.cc +++ b/gdbserver/linux-m32r-low.cc @@ -161,7 +161,6 @@ m32r_target::get_regs_info () } struct linux_target_ops the_low_target = { - NULL, /* supports_z_point_type */ NULL, /* insert_point */ NULL, /* remove_point */ NULL, /* stopped_by_watchpoint */ diff --git a/gdbserver/linux-m68k-low.cc b/gdbserver/linux-m68k-low.cc index 702da9589be..08a8f163876 100644 --- a/gdbserver/linux-m68k-low.cc +++ b/gdbserver/linux-m68k-low.cc @@ -265,7 +265,6 @@ m68k_supports_hardware_single_step (void) } struct linux_target_ops the_low_target = { - NULL, /* supports_z_point_type */ NULL, /* insert_point */ NULL, /* remove_point */ NULL, /* stopped_by_watchpoint */ diff --git a/gdbserver/linux-mips-low.cc b/gdbserver/linux-mips-low.cc index b938473735e..84ad0a07004 100644 --- a/gdbserver/linux-mips-low.cc +++ b/gdbserver/linux-mips-low.cc @@ -35,6 +35,8 @@ public: const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override; + bool supports_z_point_type (char z_type) override; + protected: void low_arch_setup () override; @@ -492,17 +494,17 @@ mips_linux_prepare_to_resume (struct lwp_info *lwp) } } -static int -mips_supports_z_point_type (char z_type) +bool +mips_target::supports_z_point_type (char z_type) { switch (z_type) { case Z_PACKET_WRITE_WP: case Z_PACKET_READ_WP: case Z_PACKET_ACCESS_WP: - return 1; + return true; default: - return 0; + return false; } } @@ -968,7 +970,6 @@ mips_target::get_regs_info () } struct linux_target_ops the_low_target = { - mips_supports_z_point_type, mips_insert_point, mips_remove_point, mips_stopped_by_watchpoint, diff --git a/gdbserver/linux-ppc-low.cc b/gdbserver/linux-ppc-low.cc index a8f51eb78e0..6874f0674e2 100644 --- a/gdbserver/linux-ppc-low.cc +++ b/gdbserver/linux-ppc-low.cc @@ -54,6 +54,8 @@ public: const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override; + bool supports_z_point_type (char z_type) override; + protected: void low_arch_setup () override; @@ -329,18 +331,18 @@ ppc_target::low_breakpoint_at (CORE_ADDR where) Handling software breakpoint at server side, so tracepoints and breakpoints can be inserted at the same location. */ -static int -ppc_supports_z_point_type (char z_type) +bool +ppc_target::supports_z_point_type (char z_type) { switch (z_type) { case Z_PACKET_SW_BP: - return 1; + return true; case Z_PACKET_HW_BP: case Z_PACKET_WRITE_WP: case Z_PACKET_ACCESS_WP: default: - return 0; + return false; } } @@ -3408,7 +3410,6 @@ ppc_get_ipa_tdesc_idx (void) } struct linux_target_ops the_low_target = { - ppc_supports_z_point_type, ppc_insert_point, ppc_remove_point, NULL, diff --git a/gdbserver/linux-s390-low.cc b/gdbserver/linux-s390-low.cc index c6e0542b934..3bfa675efa4 100644 --- a/gdbserver/linux-s390-low.cc +++ b/gdbserver/linux-s390-low.cc @@ -61,6 +61,8 @@ public: const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override; + bool supports_z_point_type (char z_type) override; + protected: void low_arch_setup () override; @@ -682,17 +684,17 @@ s390_target::low_breakpoint_at (CORE_ADDR pc) /* Breakpoint/Watchpoint support. */ -/* The "supports_z_point_type" linux_target_ops method. */ +/* The "supports_z_point_type" target ops method. */ -static int -s390_supports_z_point_type (char z_type) +bool +s390_target::supports_z_point_type (char z_type) { switch (z_type) { case Z_PACKET_SW_BP: - return 1; + return true; default: - return 0; + return false; } } @@ -2836,7 +2838,6 @@ s390_emit_ops (void) } struct linux_target_ops the_low_target = { - s390_supports_z_point_type, NULL, NULL, NULL, diff --git a/gdbserver/linux-sh-low.cc b/gdbserver/linux-sh-low.cc index b88dd469539..5723b4f8904 100644 --- a/gdbserver/linux-sh-low.cc +++ b/gdbserver/linux-sh-low.cc @@ -192,7 +192,6 @@ sh_target::low_arch_setup () } struct linux_target_ops the_low_target = { - NULL, /* supports_z_point_type */ NULL, /* insert_point */ NULL, /* remove_point */ NULL, /* stopped_by_watchpoint */ diff --git a/gdbserver/linux-sparc-low.cc b/gdbserver/linux-sparc-low.cc index c5475d270bf..46133b55b59 100644 --- a/gdbserver/linux-sparc-low.cc +++ b/gdbserver/linux-sparc-low.cc @@ -341,7 +341,6 @@ sparc_target::get_regs_info () } struct linux_target_ops the_low_target = { - NULL, /* supports_z_point_type */ NULL, NULL, NULL, NULL, NULL, NULL }; diff --git a/gdbserver/linux-tic6x-low.cc b/gdbserver/linux-tic6x-low.cc index dad8a33510b..30f880a19c6 100644 --- a/gdbserver/linux-tic6x-low.cc +++ b/gdbserver/linux-tic6x-low.cc @@ -423,7 +423,6 @@ tic6x_target::get_regs_info () } struct linux_target_ops the_low_target = { - NULL, /* supports_z_point_type */ NULL, /* insert_point */ NULL, /* remove_point */ NULL, /* stopped_by_watchpoint */ diff --git a/gdbserver/linux-tile-low.cc b/gdbserver/linux-tile-low.cc index 49c18b157eb..73f3eb918e6 100644 --- a/gdbserver/linux-tile-low.cc +++ b/gdbserver/linux-tile-low.cc @@ -224,7 +224,6 @@ tile_supports_hardware_single_step (void) struct linux_target_ops the_low_target = { - NULL, /* supports_z_point_type */ NULL, /* insert_point */ NULL, /* remove_point */ NULL, /* stopped_by_watchpoint */ diff --git a/gdbserver/linux-x86-low.cc b/gdbserver/linux-x86-low.cc index e7e6d5427d3..d5228746371 100644 --- a/gdbserver/linux-x86-low.cc +++ b/gdbserver/linux-x86-low.cc @@ -108,6 +108,8 @@ public: const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override; + bool supports_z_point_type (char z_type) override; + protected: void low_arch_setup () override; @@ -587,8 +589,8 @@ struct x86_dr_low_type x86_dr_low = /* Breakpoint/Watchpoint support. */ -static int -x86_supports_z_point_type (char z_type) +bool +x86_target::supports_z_point_type (char z_type) { switch (z_type) { @@ -596,9 +598,9 @@ x86_supports_z_point_type (char z_type) case Z_PACKET_HW_BP: case Z_PACKET_WRITE_WP: case Z_PACKET_ACCESS_WP: - return 1; + return true; default: - return 0; + return false; } } @@ -2910,7 +2912,6 @@ x86_get_ipa_tdesc_idx (void) struct linux_target_ops the_low_target = { - x86_supports_z_point_type, x86_insert_point, x86_remove_point, x86_stopped_by_watchpoint, diff --git a/gdbserver/linux-xtensa-low.cc b/gdbserver/linux-xtensa-low.cc index 19152262a12..e1618d100b9 100644 --- a/gdbserver/linux-xtensa-low.cc +++ b/gdbserver/linux-xtensa-low.cc @@ -329,7 +329,6 @@ xtensa_target::get_regs_info () } struct linux_target_ops the_low_target = { - NULL, /* supports_z_point_type */ NULL, /* insert_point */ NULL, /* remove_point */ NULL, /* stopped_by_watchpoint */