X-Git-Url: https://git.efficios.com/?a=blobdiff_plain;f=gdbserver%2Flinux-nios2-low.cc;h=e850fcfc1efcb3427b4727743ea969db7363f8ec;hb=dc8f71408b556527929e956ba09d6e8ac4485485;hp=c1372dd6d3cb0dce17dd92f1cd7b0d20cae17a1d;hpb=bf9ae9d8c37a4e1dfd192f266c20ea5786fd1bbd;p=deliverable%2Fbinutils-gdb.git diff --git a/gdbserver/linux-nios2-low.cc b/gdbserver/linux-nios2-low.cc index c1372dd6d3..e850fcfc1e 100644 --- a/gdbserver/linux-nios2-low.cc +++ b/gdbserver/linux-nios2-low.cc @@ -1,6 +1,6 @@ /* GNU/Linux/Nios II specific low level interface, for the remote server for GDB. - Copyright (C) 2008-2020 Free Software Foundation, Inc. + Copyright (C) 2008-2022 Free Software Foundation, Inc. Contributed by Mentor Graphics, Inc. @@ -39,6 +39,8 @@ public: const regs_info *get_regs_info () override; + const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override; + protected: void low_arch_setup () override; @@ -52,6 +54,8 @@ protected: CORE_ADDR low_get_pc (regcache *regcache) override; void low_set_pc (regcache *regcache, CORE_ADDR newpc) override; + + bool low_breakpoint_at (CORE_ADDR pc) override; }; /* The singleton target ops object. */ @@ -152,40 +156,40 @@ nios2_target::low_cannot_store_register (int regno) static const unsigned int nios2_breakpoint = NIOS2_BREAKPOINT; #define nios2_breakpoint_len 4 -/* Implementation of linux_target_ops method "sw_breakpoint_from_kind". */ +/* Implementation of target ops method "sw_breakpoint_from_kind". */ -static const gdb_byte * -nios2_sw_breakpoint_from_kind (int kind, int *size) +const gdb_byte * +nios2_target::sw_breakpoint_from_kind (int kind, int *size) { *size = nios2_breakpoint_len; return (const gdb_byte *) &nios2_breakpoint; } -/* Implement the breakpoint_at linux_target_ops method. */ +/* Implement the low_breakpoint_at linux target ops method. */ -static int -nios2_breakpoint_at (CORE_ADDR where) +bool +nios2_target::low_breakpoint_at (CORE_ADDR where) { unsigned int insn; /* For R2, first check for the 2-byte CDX trap.n breakpoint encoding. */ #if defined(__nios2_arch__) && __nios2_arch__ == 2 - the_target->read_memory (where, (unsigned char *) &insn, 2); + read_memory (where, (unsigned char *) &insn, 2); if (insn == CDX_BREAKPOINT) - return 1; + return true; #endif - the_target->read_memory (where, (unsigned char *) &insn, 4); + read_memory (where, (unsigned char *) &insn, 4); if (insn == nios2_breakpoint) - return 1; - return 0; + return true; + return false; } /* Fetch the thread-local storage pointer for libthread_db. */ ps_err_e ps_get_thread_area (struct ps_prochandle *ph, - lwpid_t lwpid, int idx, void **base) + lwpid_t lwpid, int idx, void **base) { if (ptrace (PTRACE_GET_THREAD_AREA, lwpid, NULL, base) != 0) return PS_ERR; @@ -273,15 +277,6 @@ nios2_target::get_regs_info () return &myregs_info; } -struct linux_target_ops the_low_target = -{ - NULL, /* breakpoint_kind_from_pc */ - nios2_sw_breakpoint_from_kind, - NULL, /* get_next_pcs */ - 0, - nios2_breakpoint_at, -}; - /* The linux target ops object. */ linux_process_target *the_linux_target = &the_nios2_target;