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The script syscalls/riscv-canonicalize-syscall-gen.py has been recently
introduced to help support record-full in riscv systems. However, it
was developed before commit 432eca4113d5748ad284a068873455f9962b44fe,
which made the GDB enum more consistent, which forced the python script
to have a corner case for the "gdb_old_mmap" case.
Since the aforementioned commit has already been merged, we need to
update the special case for the mmap syscall. A special case is still
needed because the script would expect that the glibc sources call the
syscall "old_mmap", or that gdb call it "gdb_sys_mmap", neither of which
happens unfortunately.
This commit doesn't change the .c file because it was already fixed by a
different commit, 65ab41b7d5c612b6000b28f4c50bb256b2a9e22b, which was
pushed as obvious to fix the build issues.
Tested-By: Luis Machado <luis.machado@arm.com>
Approved-By: Luis Machado <luis.machado@arm.com>
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Running `pre-commit run --all-files` introduces these fixes.
Change-Id: I2e363fdf988b66d83008265b3ca8d1120f84b95d
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When I (Guinevere) pushed commit
b9c7eed0c2409fc640129a38d80a2bf1212b464a I accidentally used an outdated
version of the patch. This current patch fixes the importation of that
patch based on the actually approved version instead.
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It includes changes to the following files:
- gdb/riscv-linux-tdep.c, gdb/riscv-linux-tdep.h: adds facilities to record
syscalls.
- gdb/riscv-tdep.c, gdb/riscv-tdep.h: adds facilities to record execution of
rv64gc instructions.
- gdb/configure.tgt: adds new files for compilation.
- gdb/testsuite/lib/gdb.exp: enables testing of full record mode for RISC-V
targets.
- gdb/syscalls/riscv-canonicalize-syscall-gen.py: a script to generate
function that canonicalizes RISC-V syscall. This script can simplify support
for syscalls on rv32 and rv64 system (currently support only for rv64). To
use this script you need to pass a path to a file with syscalls description
from riscv-glibc (example is in the help message). The script produces a
mapping from syscall names to gdb_syscall enum.
- gdb/riscv-canonicalize-syscall.c: the file generated by the previous script.
- gdb/doc/gdb.texinfo: notification that record mode is enabled in RISC-V.
- gdb/NEWS: notification of new functionality.
Approved-By: Guinevere Larsen <guinevere@redhat.com>
Approved-By: Andrew Burgess <aburgess@redhat.com>
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