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| author | Palmer Dabbelt <palmer@dabbelt.com> | 2018-01-29 10:25:58 -0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@dabbelt.com> | 2018-01-29 10:25:58 -0800 |
| commit | 337126607ffdaf15cbc9ccf3a96e52d71333f191 (patch) | |
| tree | 2f679f705c498b558979fab9bc64446fa09e99cd /sysdeps/riscv/nptl/tcb-offsets.sym | |
| parent | c776fa113da1f0d0cf83418e8937c0a8a4d83d3e (diff) | |
| download | glibc-337126607ffdaf15cbc9ccf3a96e52d71333f191.tar.gz glibc-337126607ffdaf15cbc9ccf3a96e52d71333f191.tar.xz glibc-337126607ffdaf15cbc9ccf3a96e52d71333f191.zip | |
RISC-V: Thread-Local Storage Support
This patch implements TLS support for RISC-V. We support all four
standard TLS addressing modes (LE, IE, LD, and GD) when running on
Linux via NPTL. There is a draft psABI document that defines our TLS
ABI here
https://github.com/riscv/riscv-elf-psabi-doc/blob/master/riscv-elf.md#thread-local-storage
2018-01-29 Palmer Dabbelt <palmer@sifive.com>
* sysdeps/riscv/dl-tls.h: New file.
* sysdeps/riscv/libc-tls.c: Likewise.
* sysdeps/riscv/nptl/tcb-offsets.sym: Likewise.
* sysdeps/riscv/nptl/tls.h: Likewise.
* sysdeps/riscv/stackinfo.h: Likewise.
Diffstat (limited to 'sysdeps/riscv/nptl/tcb-offsets.sym')
| -rw-r--r-- | sysdeps/riscv/nptl/tcb-offsets.sym | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/riscv/nptl/tcb-offsets.sym b/sysdeps/riscv/nptl/tcb-offsets.sym new file mode 100644 index 0000000000..ab4981f2e2 --- /dev/null +++ b/sysdeps/riscv/nptl/tcb-offsets.sym @@ -0,0 +1,6 @@ +#include <sysdep.h> +#include <tls.h> + +#define thread_offsetof(mem) (long)(offsetof (struct pthread, mem) - TLS_TCB_OFFSET - TLS_PRE_TCB_SIZE) + +MULTIPLE_THREADS_OFFSET thread_offsetof (header.multiple_threads) |