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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-08-14 13:22:57 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-10-30 13:41:55 -0700 |
| commit | 00cc2934b2f02c469bd28cae0f1ac09e289a5ae9 (patch) | |
| tree | 4346b885d7ac31e8b90a5eb94a2a03dadd9371f0 /linux-user/loongarch64/signal.c | |
| parent | 468c1bb5cac9fc91fb6e7d94d65a99810f1e029c (diff) | |
| download | focaccia-qemu-00cc2934b2f02c469bd28cae0f1ac09e289a5ae9.tar.gz focaccia-qemu-00cc2934b2f02c469bd28cae0f1ac09e289a5ae9.zip | |
linux-user/loongarch64: Add vdso
Requires a relatively recent binutils version in order to avoid spurious R_LARCH_NONE relocations. The presence of these relocs are diagnosed by our gen-vdso tool. Tested-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'linux-user/loongarch64/signal.c')
| -rw-r--r-- | linux-user/loongarch64/signal.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/linux-user/loongarch64/signal.c b/linux-user/loongarch64/signal.c index 39572c1190..afcee641a6 100644 --- a/linux-user/loongarch64/signal.c +++ b/linux-user/loongarch64/signal.c @@ -10,9 +10,9 @@ #include "user-internals.h" #include "signal-common.h" #include "linux-user/trace.h" - #include "target/loongarch/internals.h" #include "target/loongarch/vec.h" +#include "vdso-asmoffset.h" /* FP context was used */ #define SC_USED_FP (1 << 0) @@ -24,6 +24,11 @@ struct target_sigcontext { uint64_t sc_extcontext[0] QEMU_ALIGNED(16); }; +QEMU_BUILD_BUG_ON(sizeof(struct target_sigcontext) != sizeof_sigcontext); +QEMU_BUILD_BUG_ON(offsetof(struct target_sigcontext, sc_pc) + != offsetof_sigcontext_pc); +QEMU_BUILD_BUG_ON(offsetof(struct target_sigcontext, sc_regs) + != offsetof_sigcontext_gr); #define FPU_CTX_MAGIC 0x46505501 #define FPU_CTX_ALIGN 8 @@ -33,6 +38,9 @@ struct target_fpu_context { uint32_t fcsr; } QEMU_ALIGNED(FPU_CTX_ALIGN); +QEMU_BUILD_BUG_ON(offsetof(struct target_fpu_context, regs) + != offsetof_fpucontext_fr); + #define CONTEXT_INFO_ALIGN 16 struct target_sctx_info { uint32_t magic; @@ -40,6 +48,8 @@ struct target_sctx_info { uint64_t padding; } QEMU_ALIGNED(CONTEXT_INFO_ALIGN); +QEMU_BUILD_BUG_ON(sizeof(struct target_sctx_info) != sizeof_sctx_info); + struct target_ucontext { abi_ulong tuc_flags; abi_ptr tuc_link; @@ -54,6 +64,11 @@ struct target_rt_sigframe { struct target_ucontext rs_uc; }; +QEMU_BUILD_BUG_ON(sizeof(struct target_rt_sigframe) + != sizeof_rt_sigframe); +QEMU_BUILD_BUG_ON(offsetof(struct target_rt_sigframe, rs_uc.tuc_mcontext) + != offsetof_sigcontext); + /* * These two structures are not present in guest memory, are private * to the signal implementation, but are largely copied from the |