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| author | Schimpe, Christina <christina.schimpe@intel.com> | 2024-03-05 15:14:53 +0000 |
|---|---|---|
| committer | Schimpe, Christina <christina.schimpe@intel.com> | 2024-03-12 13:54:29 +0000 |
| commit | 7650ea38908e98a5823a334286813eca2ff5719e (patch) | |
| tree | 3a5d9c8ca004b3983f0abaa04b4921916a0c9709 /gdb | |
| parent | 272acb42cfc4e64af4f702f24fbc1de078372c38 (diff) | |
| download | gdb-7650ea38908e98a5823a334286813eca2ff5719e.zip gdb-7650ea38908e98a5823a334286813eca2ff5719e.tar.gz gdb-7650ea38908e98a5823a334286813eca2ff5719e.tar.bz2 | |
gdb: Deprecate MPX commands.
This patch deprecates the MPX commands "show/set mpx bound".
Intel listed Intel(R) Memory Protection Extensions (MPX) as removed
in 2019. Following gcc v9.1, the linux kernel v5.6 and glibc v2.35,
deprecate MPX in GDB.
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/NEWS | 3 | ||||
| -rw-r--r-- | gdb/doc/gdb.texinfo | 3 | ||||
| -rw-r--r-- | gdb/i386-tdep.c | 6 |
3 files changed, 10 insertions, 2 deletions
@@ -3,6 +3,9 @@ *** Changes since GDB 14 +* The MPX commands "show/set mpx bound" have been deprecated, as Intel + listed MPX as removed in 2019. + * Building GDB and GDBserver now requires a C++17 compiler. For example, GCC 9 or later. diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index 34cd567..6099d12 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -26652,6 +26652,9 @@ whose bounds are to be changed, @var{lbound} and @var{ubound} are new values for lower and upper bounds respectively. @end table +Both commands are deprecated and will be removed in future versions of +@value{GDBN}. MPX itself was listed as removed by Intel in 2019. + When you call an inferior function on an Intel MPX enabled program, GDB sets the inferior's bound registers to the init (disabled) state before calling the function. As a consequence, bounds checks for the diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c index b487a3f..0d4e30b 100644 --- a/gdb/i386-tdep.c +++ b/gdb/i386-tdep.c @@ -9132,17 +9132,19 @@ is \"default\"."), /* Add "bound" command for the show mpx commands list. */ - add_cmd ("bound", no_class, i386_mpx_info_bounds, + cmd_list_element *c = add_cmd ("bound", no_class, i386_mpx_info_bounds, "Show the memory bounds for a given array/pointer storage\ in the bound table.", &mpx_show_cmdlist); + deprecate_cmd (c, nullptr); /* Add "bound" command for the set mpx commands list. */ - add_cmd ("bound", no_class, i386_mpx_set_bounds, + c = add_cmd ("bound", no_class, i386_mpx_set_bounds, "Set the memory bounds for a given array/pointer storage\ in the bound table.", &mpx_set_cmdlist); + deprecate_cmd (c, nullptr); gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_SVR4, i386_svr4_init_abi); |