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[Bug ld/24426] Binutils 2.28.1 segfault when presented (any) linker scri
From: |
wilson at gcc dot gnu.org |
Subject: |
[Bug ld/24426] Binutils 2.28.1 segfault when presented (any) linker script on riscv64 |
Date: |
Wed, 10 Apr 2019 01:28:53 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=24426
--- Comment #9 from Jim Wilson <wilson at gcc dot gnu.org> ---
RISC-V is an ISA. The amount of memory that can be accessed depends on the ISA
implementation that you are using. This varies from one implementation to
another. But most 64-bit processors do not have 64 address pins coming out of
the chip, and may not be able to store full 64-bit address in page tables and
tlbs and whatnot, and hence can't address the entire 64-bit address space.
The SiFive U540 docs for instance state that the u54 core has support for a
38-bit physical address space, which is 256GiB if I did the math right. It
also supports a 39-bit virtual address space, but your kernel is running in
physical memory so that doesn't help.
Yes, the segfault is a real problem, but I can't reproduce it, and hence can't
fix it.
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- [Bug ld/24426] New: Binutils 2.28.1 segfault when presented (any) linker script on riscv64, kallisti5 at unixzen dot com, 2019/04/08
- [Bug ld/24426] Binutils 2.28.1 segfault when presented (any) linker script on riscv64, kallisti5 at unixzen dot com, 2019/04/08
- [Bug ld/24426] Binutils 2.28.1 segfault when presented (any) linker script on riscv64, wilson at gcc dot gnu.org, 2019/04/08
- [Bug ld/24426] Binutils 2.28.1 segfault when presented (any) linker script on riscv64, wilson at gcc dot gnu.org, 2019/04/09
- [Bug ld/24426] Binutils 2.28.1 segfault when presented (any) linker script on riscv64, kallisti5 at unixzen dot com, 2019/04/09
- [Bug ld/24426] Binutils 2.28.1 segfault when presented (any) linker script on riscv64, kallisti5 at unixzen dot com, 2019/04/09
- [Bug ld/24426] Binutils 2.28.1 segfault when presented (any) linker script on riscv64, kallisti5 at unixzen dot com, 2019/04/09
- [Bug ld/24426] Binutils 2.28.1 segfault when presented (any) linker script on riscv64, wilson at gcc dot gnu.org, 2019/04/09
- [Bug ld/24426] Binutils 2.28.1 segfault when presented (any) linker script on riscv64, kallisti5 at unixzen dot com, 2019/04/09
- [Bug ld/24426] Binutils 2.28.1 segfault when presented (any) linker script on riscv64,
wilson at gcc dot gnu.org <=
- [Bug ld/24426] Binutils 2.28.1 segfault when presented (any) linker script on riscv64, kallisti5 at unixzen dot com, 2019/04/10