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2 Commits

Author SHA1 Message Date
Omar Sandoval
61befc1606 libdrgn: parse AArch64 PAC mask from core dumps 
In order to support removing the pointer authentication code (PAC) from
return addresses on AArch64, we need to know what bits are being used
for the PAC. We can get this from the NT_ARM_PAC_MASK note in userspace
core dumps and from the NUMBER(KERNELPACMASK) field in VMCOREINFO for
Linux kernel core dumps.

Signed-off-by: Omar Sandoval <osandov@osandov.com>
 2022-06-26 09:18:07 -07:00
Omar Sandoval
3cba315293 libdrgn: linux_kernel: use memswitch for drgn_program_parse_vmcoreinfo() 
We currently have 5 names that we match against, and there are more on
the way, so we might as well use a memswitch.

Signed-off-by: Omar Sandoval <osandov@osandov.com>
 2022-06-26 09:18:07 -07:00