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linux-user/ppc: Add vdso

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Add support in gen-vdso-elfn.c.inc for the DT_PPC64_OPT
dynamic tag: this is an integer, so does not need relocation.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-08-14 17:58:55 -07:00
parent 00cc2934b2
commit e34136d930
12 changed files with 467 additions and 8 deletions
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20
linux-user/ppc/vdso-asmoffset.h Normal file
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@ -0,0 +1,20 @@
/*
* Size of dummy stack frame allocated when calling signal handler.
* See arch/powerpc/include/asm/ptrace.h.
*/
#ifdef TARGET_ABI32
# define SIGNAL_FRAMESIZE 64
#else
# define SIGNAL_FRAMESIZE 128
#endif
#ifdef TARGET_ABI32
# define offsetof_sigframe_mcontext 0x20
# define offsetof_rt_sigframe_mcontext 0x140
# define offsetof_mcontext_fregs 0xc0
# define offsetof_mcontext_vregs 0x1d0
#else
# define offsetof_rt_sigframe_mcontext 0xe8
# define offsetof_mcontext_fregs 0x180
# define offsetof_mcontext_vregs_ptr 0x288
#endif