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[Qemu-riscv] [RFC v3 04/24] linux-user: riscv: Fix compile failure on ri
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From: |
Alistair Francis |
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Subject: |
[Qemu-riscv] [RFC v3 04/24] linux-user: riscv: Fix compile failure on riscv32 hosts |
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Date: |
Sat, 8 Dec 2018 00:46:48 +0000 |
When cross compilling for riscv32 hosts using GCC 8.2 this error is seen:
error: '__NR__llseek' undeclared (first use in this function); did you mean
'_llseek'?
To avoid the error let's ensure that __NR__llseek is defined.
Signed-off-by: Alistair Francis <address@hidden>
---
linux-user/riscv/target_syscall.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/linux-user/riscv/target_syscall.h
b/linux-user/riscv/target_syscall.h
index ee81d8bc88..af73f71839 100644
--- a/linux-user/riscv/target_syscall.h
+++ b/linux-user/riscv/target_syscall.h
@@ -47,6 +47,11 @@ struct target_pt_regs {
#endif
#define UNAME_MINIMUM_RELEASE "4.15.0"
+/* This is sometimes needed to compile riscv32 Linux user mode */
+#if !defined(__NR__llseek) && !defined(__NR_lseek)
+#define __NR__llseek __NR3264_lseek
+#endif
+
#define TARGET_MINSIGSTKSZ 2048
#define TARGET_MLOCKALL_MCL_CURRENT 1
#define TARGET_MLOCKALL_MCL_FUTURE 2
--
2.19.1
- [Qemu-riscv] [RFC v3 00/24] Add RISC-V TCG backend support, Alistair Francis, 2018/12/07
- [Qemu-riscv] [RFC v3 01/24] elf.h: Add the RISCV ELF magic numbers, Alistair Francis, 2018/12/07
- [Qemu-riscv] [RFC v3 02/24] linux-user: Add host dependency for RISC-V 32-bit, Alistair Francis, 2018/12/07
- [Qemu-riscv] [RFC v3 03/24] linux-user: Add host dependency for RISC-V 64-bit, Alistair Francis, 2018/12/07
- [Qemu-riscv] [RFC v3 04/24] linux-user: riscv: Fix compile failure on riscv32 hosts,
Alistair Francis <=
- [Qemu-riscv] [RFC v3 05/24] exec: Add RISC-V GCC poison macro, Alistair Francis, 2018/12/07
- [Qemu-riscv] [RFC v3 06/24] riscv: Add the tcg-target header file, Alistair Francis, 2018/12/07
- [Qemu-riscv] [RFC v3 07/24] riscv: Add the tcg target registers, Alistair Francis, 2018/12/07
- [Qemu-riscv] [RFC v3 08/24] riscv: tcg-target: Add support for the constraints, Alistair Francis, 2018/12/07
- [Qemu-riscv] [RFC v3 09/24] riscv: tcg-target: Add the immediate encoders, Alistair Francis, 2018/12/07
- [Qemu-riscv] [RFC v3 10/24] riscv: tcg-target: Add the instruction emitters, Alistair Francis, 2018/12/07
- [Qemu-riscv] [RFC v3 11/24] riscv: tcg-target: Add the relocation functions, Alistair Francis, 2018/12/07