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bsd-user/target_os_elf: If ELF_HWCAP2 is defined, publish it

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Some architectures publish AT_HWCAP2 as well as AT_HWCAP. Those
architectures will define ELF_HWCAP2 in their target_arch_elf.h files
for the value for this process. If it is defined, then publish it.

Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
This commit is contained in:
Warner Losh 2021-09-18 09:38:11 -06:00
parent 11170cbdcc
commit f6f0706cc2
1 changed files with 4 additions and 0 deletions
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bsd-user/freebsd/target_os_elf.h
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@ -112,6 +112,10 @@ static abi_ulong target_create_elf_tables(abi_ulong p, int argc, int envc,
NEW_AUX_ENT(AT_ENTRY, load_bias + exec->e_entry);
features = ELF_HWCAP;
NEW_AUX_ENT(FREEBSD_AT_HWCAP, features);
#ifdef ELF_HWCAP2
features = ELF_HWCAP2;
NEW_AUX_ENT(FREEBSD_AT_HWCAP2, features);
#endif
NEW_AUX_ENT(AT_UID, (abi_ulong)getuid());
NEW_AUX_ENT(AT_EUID, (abi_ulong)geteuid());
NEW_AUX_ENT(AT_GID, (abi_ulong)getgid());