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[lwp][vdso] Add VDSO functionality under the aarch64 architecture (#9176)

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Add VDSO functionality under the aarch64 architecture
This commit is contained in:
rcitachi
2024-07-15 17:58:29 +08:00
committed by GitHub
parent 96ba787e25
commit 14fb55933b
22 changed files with 891 additions and 2 deletions
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15
components/lwp/lwp_elf.c
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@@ -25,6 +25,10 @@
#include <lwp_user_mm.h>
#endif
#ifdef RT_USING_VDSO
#include <vdso.h>
#endif
#define DBG_TAG "load.elf"
#ifdef ELF_DEBUG_ENABLE
#define DBG_LVL DBG_LOG
@@ -607,6 +611,17 @@ static int elf_aux_fill(elf_load_info_t *load_info)
ELF_AUX_ENT(aux_info, AT_CLKTCK, 0);
ELF_AUX_ENT(aux_info, AT_SECURE, 0);
#ifdef RT_USING_VDSO
if(RT_EOK == arch_setup_additional_pages(load_info->lwp))
{
ELF_AUX_ENT(aux_info, AT_SYSINFO_EHDR, (size_t)load_info->lwp->vdso_vbase);
}
else
{
LOG_W("vdso map error,VDSO currently only supports aarch64 architecture!");
}
#endif
return 0;
}