Saleem Abdulrasool fde9c59aeb riscv: explicitly use symbol offsets for VDSO ... The current implementation of the `__rt_sigaction` reference computed an absolute offset relative to the mapped base of the VDSO. While this can be handled in the medlow model, the medany model cannot handle this as it is meant to be position independent. The current implementation relied on the BFD linker relaxing the PC-relative relocation into an absolute relocation as it was a near-zero address allowing it to be referenced relative to `zero`. We now extract the offsets and create a generated header allowing the build with LLVM and lld to succeed as we no longer depend on the linker rewriting address references near zero. This change was largely modelled after the ARM64 target which does something similar. Signed-off-by: Saleem Abdulrasool <abdulras@google.com> Tested-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>		2021-08-24 21:45:47 -07:00
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asm	riscv: explicitly use symbol offsets for VDSO	2021-08-24 21:45:47 -07:00
uapi/asm	riscv: Add cache information in AUX vector	2020-09-15 18:46:08 -07:00