This adds gdb::make_function_view, which lets you create a function
view from a callable without specifying the function_view's template
parameter. For example, this:
auto lambda = [&] (int) { ... };
auto fv = gdb::make_function_view (lambda);
It is particularly useful if you have a template function with an
optional function_view parameter, whose type depends on the function's
template parameters. Like:
4686f81...
by
Jiangshuai Li <email address hidden>
gdb/csky modify registers list for general_reggroup
There are two modification points here:
1. For the debugging of csky architecture, after executing "info register",
we hope to print out GPRs, PC and the registers related to exceptions.
2. With tdesc-xml, users can view the register groups described in XML.
PowerPC: Create new MMA instruction masks and use them
The MMA instructions use XX3_MASK|3<<21 as an instruction mask, but that
misses the RC bit/bit 31, so if we disassemble a .long that represents an
MMA instruction except that it also has bit 31 set, we will erroneously
disassemble it to that MMA instruction. We create new masks defines that
contain bit 31 so that doesn't happen anymore.
i386: Don't allow GOTOFF relocation against IFUNC symbol for PIC
We can't use the PLT entry as the function address for PIC since the PIC
register may not be set up properly for indirect call.
bfd/
PR ld/27998
* elf32-i386.c (elf_i386_relocate_section): Don't allow GOTOFF
relocation against IFUNC symbol for PIC.
ld/
PR ld/27998
* testsuite/ld-i386/pr27998a.d: Replace -shared with -e bar.
* testsuite/ld-i386/pr27998b.d: Expect a linker error.
* testsuite/ld-ifunc/ifunc-2-i386-now.d: Updated.
* testsuite/ld-ifunc/ifunc-2-local-i386-now.d: Likewise.
* testsuite/ld-ifunc/ifunc-2-i386.s: Replace @GOTOFF with @GOT.
* testsuite/ld-ifunc/ifunc-2-local-i386.s: Likewise.
c44885d...
by
Andrew Burgess <email address hidden>
gdb: ensure the cast in gdbarch_tdep is valid
This commit makes use of gdb::checked_static_cast when casting the
generic gdbarch_tdep pointer to a specific sub-class type. This means
that, when compiled in developer mode, GDB will validate that the cast
is correct.
In order to use gdb::checked_static_cast the types involved must have
RTTI, which is why the gdbarch_tdep base class now has a virtual
destructor.
Assuming there are no bugs in GDB where we cast a gdbarch_tdep pointer
to the wrong type, then there should be no changes after this commit.
If any bugs do exist, then GDB will now assert (in a developer build).
11da1b1...
by
Andrew Burgess <email address hidden>
gdbsupport: add checked_static_cast
This commit was inspired by these mailing list posts:
The idea is to add a new function gdb::checked_static_cast, which can,
in some cases, be used as a drop-in replacement for static_cast. And
so, if I previously wrote this:
The requirement is that BaseClass and DerivedClass must be
polymorphic.
The benefit of making this change is that, when GDB is built in
developer mode, a run-time check will be made to ensure that `base`
really is of type DerivedClass before the cast is performed. If
`base` is not of type DerivedClass then GDB will assert.
In a non-developer build gdb::checked_static_cast is equivalent to a
static_cast, and there should be no performance difference.
This commit adds the support function, but does not make use of this
function, a use will be added in the next commit.
Co-Authored-By: Pedro Alves <email address hidden>
Co-Authored-By: Tom Tromey <email address hidden>
