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2020-07-20Implement the skip_solib_resolver gdbarch hook for FreeBSD architectures.John Baldwin1-0/+5
The ELF runtime linker on all FreeBSD architectures uses the "_rtld_bind" entry point for unresolved PTL entries. FreeBSD/mips has an additional entry point called "_mips_rtld_bind". gdb/ChangeLog: * fbsd-tdep.c (fbsd_skip_solib_resolver): New function. (fbsd_init_abi): Install gdbarch "skip_solib_resolver" method. * fbsd-tdep.h (fbsd_skip_solib_resolver): New prototype. * mips-fbsd-tdep.c (mips_fbsd_skip_solib_resolver): New function. (mips_fbsd_init_abi): Install gdbarch "skip_solib_resolver" method.
2020-01-01Update copyright year range in all GDB files.Joel Brobecker1-1/+1
gdb/ChangeLog: Update copyright year range in all GDB files.
2019-03-12Add a helper function to resolve TLS variable addresses for FreeBSD.John Baldwin1-0/+11
The fbsd_get_thread_local_address function accepts the base address of a thread's DTV array and the base address of an object file's link map and uses this to compute a TLS variable's address. FreeBSD architectures use an architecture-specific method to determine the address of the DTV array pointer and call this helper function to perform the rest of the address calculation. * fbsd-tdep.c (fbsd_pspace_data_handle): New variable. (struct fbsd_pspace_data): New type. (get_fbsd_pspace_data, fbsd_pspace_data_cleanup) (fbsd_read_integer_by_name, fbsd_fetch_rtld_offsets) (fbsd_get_tls_index, fbsd_get_thread_local_address): New function. (_initialize_fbsd_tdep): Initialize 'fbsd_pspace_data_handle'. * fbsd-tdep.c (fbsd_get_thread_local_address): New prototype.
2019-01-01Update copyright year range in all GDB files.Joel Brobecker1-1/+1
This commit applies all changes made after running the gdb/copyright.py script. Note that one file was flagged by the script, due to an invalid copyright header (gdb/unittests/basic_string_view/element_access/char/empty.cc). As the file was copied from GCC's libstdc++-v3 testsuite, this commit leaves this file untouched for the time being; a patch to fix the header was sent to gcc-patches first. gdb/ChangeLog: Update copyright year range in all GDB files.
2018-10-17Share the code to format "info proc mappings" entries for FreeBSD.John Baldwin1-6/+17
gdb/ChangeLog: * fbsd-nat.c (fbsd_nat_target::info_proc) Use fbsd_info_proc_mappings_header and fbsd_info_proc_mappings_entry. * fbsd-tdep.c (fbsd_vm_map_entry_flags): Mark static. (fbsd_info_proc_mappings_header, fbsd_info_proc_mappings_entry): New functions. (fbsd_core_info_proc_mappings): Use fbsd_info_proc_mappings_header and fbsd_info_proc_mappings_header. * fbsd-tdep.h (fbsd_vm_map_entry_flags): Remove. (fbsd_info_proc_mappings_header, fbsd_info_proc_mappings_entry): New.
2018-09-18Add support for 'info proc files' on FreeBSD core dumps.John Baldwin1-0/+20
Walk the list of struct kinfo_file objects in the NT_FREEBSD_PROCSTAT_FILES core dump note outputting a description of each open file descriptor. For sockets, the local and remote socket addresses are displayed in place of the file name field. For UNIX local domain sockets, only a single address is displayed since most UNIX sockets only have one valid address and printing both pathnames could be quite long. The output format was somewhat inspired by the output of the "procstat -f" command on FreeBSD, but with a few less details and some fields were condensed. gdb/ChangeLog: * fbsd-tdep.c (KF_FLAGS, KF_OFFSET, KF_VNODE_TYPE, KF_SOCK_DOMAIN) (KF_SOCK_TYPE, KF_SOCK_PROTOCOL, KF_SA_LOCAL, KF_SA_PEER) (KINFO_FILE_TYPE_SOCKET, KINFO_FILE_TYPE_PIPE) (KINFO_FILE_TYPE_FIFO, KINFO_FILE_TYPE_KQUEUE) (KINFO_FILE_TYPE_CRYPTO, KINFO_FILE_TYPE_MQUEUE) (KINFO_FILE_TYPE_SHM, KINFO_FILE_TYPE_SEM, KINFO_FILE_TYPE_PTS) (KINFO_FILE_TYPE_PROCDESC, KINFO_FILE_FD_TYPE_ROOT) (KINFO_FILE_FD_TYPE_JAIL, KINFO_FILE_FD_TYPE_TRACE) (KINFO_FILE_FD_TYPE_CTTY, KINFO_FILE_FLAG_READ) (KINFO_FILE_FLAG_WRITE, KINFO_FILE_FLAG_APPEND) (KINFO_FILE_FLAG_ASYNC, KINFO_FILE_FLAG_FSYNC) (KINFO_FILE_FLAG_NONBLOCK, KINFO_FILE_FLAG_DIRECT) (KINFO_FILE_FLAG_HASLOCK, KINFO_FILE_FLAG_EXEC) (KINFO_FILE_VTYPE_VREG, KINFO_FILE_VTYPE_VDIR) (KINFO_FILE_VTYPE_VCHR, KINFO_FILE_VTYPE_VLNK) (KINFO_FILE_VTYPE_VSOCK, KINFO_FILE_VTYPE_VFIFO, FBSD_AF_UNIX) (FBSD_AF_INET, FBSD_AF_INET6, FBSD_SOCK_STREAM, FBSD_SOCK_DGRAM) (FBSD_SOCK_SEQPACKET, FBSD_IPPROTO_ICMP, FBSD_IPPROTO_TCP) (FBSD_IPPROTO_UDP, FBSD_IPPROTO_SCTP): New defines. (struct fbsd_sockaddr_in, struct fbsd_sockaddr_in6) (struct fbsd_sockaddr_un): New types. (fbsd_file_fd, fbsd_file_type, fbsd_file_flags, fbsd_ipproto) (fbsd_print_sockaddr_in, fbsd_print_sockaddr_in6) (fbsd_info_proc_files_header, fbsd_info_proc_files_entry) (fbsd_core_info_proc_files): New functions. (fbsd_core_info_proc): List open file descriptors for IP_FILES and IP_ALL. * fbsd-tdep.h (fbsd_info_proc_files_header) (fbsd_info_proc_files_entry): New.
2018-01-09Support 'info proc' for FreeBSD process core dumps.John Baldwin1-0/+7
- Command line arguments are obtained from the pr_psargs[] array saved in the NT_PRPSINFO note. - The 'cwd' and 'exe' values are obtained from the per-process file descriptor table stored in the NT_PROCSTAT_FILES core note. - 'mappings' is implemented by walking the array of VM map entries stored in the NT_PROCSTAT_VMMAP core note. - 'status' output is generated by outputting fields from the first structure stored in the NT_PROCSTAT_PROC core note. - 'stat' is aliased to 'status'. gdb/ChangeLog: * fbsd-tdep.c (KVE_STRUCTSIZE, KVE_START, KVE_END, KVE_OFFSET) (KVE_FLAGS, KVE_PROTECTION, KVE_PATH, KINFO_VME_PROT_READ) (KINFO_VME_PROT_WRITE, KINFO_VME_PROT_EXEC, KINFO_VME_FLAG_COW) (KINFO_VME_FLAG_NEEDS_COPY, KINFO_VME_FLAG_NOCOREDUMP) (KINFO_VME_FLAG_SUPER, KINFO_VME_FLAG_GROWS_UP) (KINFO_VME_FLAG_GROWS_DOWN, KF_STRUCTSIZE, KF_TYPE, KF_FD) (KF_PATH, KINFO_FILE_TYPE_VNODE, KINFO_FILE_FD_TYPE_CWD) (KINFO_FILE_FD_TYPE_TEXT, SIG_WORDS, struct kinfo_proc_layout) (kinfo_proc_layout_32, kinfo_proc_layout_i386) (kinfo_proc_layout_64, fbsd_vm_map_entry_flags) (fbsd_core_info_proc_mappings, fbsd_core_vnode_path) (fbsd_core_fetch_timeval, fbsd_print_sigset) (fbsd_core_info_proc_status, fbsd_core_info_proc): New. (fbsd_init_abi): Install gdbarch "core_info_proc" method. * fbsd-tdep.h (fbsd_vm_map_entry_flags): New.
2018-01-02Update copyright year range in all GDB filesJoel Brobecker1-1/+1
gdb/ChangeLog: Update copyright year range in all GDB files
2017-01-01update copyright year range in GDB filesJoel Brobecker1-1/+1
This applies the second part of GDB's End of Year Procedure, which updates the copyright year range in all of GDB's files. gdb/ChangeLog: Update copyright year range in all GDB files.
2016-01-01GDB copyright headers update after running GDB's copyright.py script.Joel Brobecker1-1/+1
gdb/ChangeLog: Update year range in copyright notice of all files.
2015-01-01Update year range in copyright notice of all files owned by the GDB project.Joel Brobecker1-1/+1
gdb/ChangeLog: Update year range in copyright notice of all files.
2014-09-30Add multi-arch capable 'fbsd_make_corefile_notes' variantAndreas Arnez1-0/+25
This creates a new version of the FreeBSD core file note generation logic in the new target-dependent file "fbsd-tdep.c". The new version is mostly copied from "fbsd-nat.c", but uses the iterator instead of regset_from_core_section and defines fbsd_make_corefile_notes as a gdbarch method instead of a target method. Consecutive architecture-dependent changes exploit the new version, migrating away from the target method. When all FreeBSD targets are changed, the target method can go away. gdb/ChangeLog: * fbsd-tdep.c: New file. * fbsd-tdep.h: New file. * Makefile.in (ALL_TARGET_OBS): Add fbsd-tdep.o. (HFILES_NO_SRCDIR): Add fbsd-tdep.h. (ALLDEPFILES): Add fbsd-tdep.c.