[PATCH v2 0/6] gdb: introduce file_reader_t to read procfs files

Those patches were extracted from a previous patch series [1].
Patches 1 and 2 are prerequisites to the next patches.
Patch 3 introduces class file_reader_t, and patches 4, 5, and 5 migrates existing code to use this new class.

Already reviewed but pending on a maintainer's approval: 1, 3, 4, 5
Pending on review and approval: 2
Already reviewed and approved: 6

v1: https://inbox.sourceware.org/gdb-patches/[email protected]/
Changes v1 -> v2:
- in patch 3/6,
  - amended the commit message as requested by Christina to mention the behavioral change.
  - fix mistake in condition of adi_is_addr_mapped ()
  - made move constructor, and move assignment operator of file_reader_t use =default.
  - disabled copy constructor and copy assignment operator of file_reader_t.

Changes diff against [1]:
- remove reimplementation of std::replace, and use std::replace for gdb::ranges::replace.
- addressed comments from Christina Schimpe and Chirstina Joos regarding the interface of class file_reader_t.
- fix the implementation of extract_string_view_from_buffer after Luis found bugs in the previous implementation.

This patch series depends on [2].

[1]: https://inbox.sourceware.org/gdb-patches/[email protected]/
[2]: https://inbox.sourceware.org/gdb-patches/[email protected]/

Regards,
Matthieu


Matthieu Longo (6):
  target_fileio_read_stralloc: add an optional length parameter
  gdb support: add gdb::ranges::replace algorithm
  gdb: introduce helper class file_reader_t
  gdb/linux-tdep: migrate linux_info_proc to file_reader_t
  gdb/linux-tdep: migrate linux_find_memory_regions_full to file_reader_t
  gdb/linux-tdep: remove legacy parse_smaps_data overload

 gdb/amd64-linux-tdep.c  |  12 +-
 gdb/linux-tdep.c        | 295 +++++++++++++++++++++-------------------
 gdb/sparc64-tdep.c      |  15 +-
 gdb/target.c            |  11 +-
 gdb/target.h            |  98 +++++++++++--
 gdbsupport/array-view.h |  16 +++
 6 files changed, 278 insertions(+), 169 deletions(-)

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2.55.0