staticconstchar* auxv_name(int at) { switch (at) { case AT_NULL: return"AT_NULL"; case AT_IGNORE: return"AT_IGNORE"; case AT_EXECFD: return"AT_EXECFD"; case AT_PHDR: return"AT_PHDR"; case AT_PHENT: return"AT_PHENT"; case AT_PHNUM: return"AT_PHNUM"; case AT_PAGESZ: return"AT_PAGESZ"; case AT_BASE: return"AT_BASE"; case AT_FLAGS: return"AT_FLAGS"; case AT_ENTRY: return"AT_ENTRY"; case AT_NOTELF: return"AT_NOTELF"; case AT_UID: return"AT_UID"; case AT_EUID: return"AT_EUID"; case AT_GID: return"AT_GID"; case AT_EGID: return"AT_EGID"; case AT_PLATFORM: return"AT_PLATFORM"; case AT_HWCAP: return"AT_HWCAP"; case AT_CLKTCK: return"AT_CLKTCK"; case AT_SECURE: return"AT_SECURE"; case AT_BASE_PLATFORM: return"AT_BASE_PLATFORM"; case AT_RANDOM: return"AT_RANDOM"; case AT_HWCAP2: return"AT_HWCAP2"; case AT_RSEQ_FEATURE_SIZE: return"AT_RSEQ_FEATURE_SIZE"; case AT_RSEQ_ALIGN: return"AT_RSEQ_ALIGN"; case AT_HWCAP3: return"AT_HWCAP3"; case AT_HWCAP4: return"AT_HWCAP4"; case AT_EXECFN: return"AT_EXECFN"; case AT_SYSINFO_EHDR: return"AT_SYSINFO_EHDR"; case AT_MINSIGSTKSZ: return"AT_MINSIGSTKSZ"; #ifdefined(AT_VECTOR_SIZE_ARCH) // AT_VECTOR_SIZE_ARCH isn't a value: it's the number of architecture-specific // values that exist for the current architecture, so not relevant here. #endif #ifdefined(AT_SYSINFO) case AT_SYSINFO: return"AT_SYSINFO"; #endif #ifdefined(AT_L1I_CACHESIZE) case AT_L1I_CACHESIZE: return"AT_L1I_CACHESIZE"; #endif #ifdefined(AT_L1I_CACHEGEOMETRY) case AT_L1I_CACHEGEOMETRY: return"AT_L1I_CACHEGEOMETRY"; #endif #ifdefined(AT_L1D_CACHESIZE) case AT_L1D_CACHESIZE: return"AT_L1D_CACHESIZE"; #endif #ifdefined(AT_L1D_CACHEGEOMETRY) case AT_L1D_CACHEGEOMETRY: return"AT_L1D_CACHEGEOMETRY"; #endif #ifdefined(AT_L2_CACHESIZE) case AT_L2_CACHESIZE: return"AT_L2_CACHESIZE"; #endif #ifdefined(AT_L2_CACHEGEOMETRY) case AT_L2_CACHEGEOMETRY: return"AT_L2_CACHEGEOMETRY"; #endif #ifdefined(AT_L3_CACHESIZE) case AT_L3_CACHESIZE: return"AT_L3_CACHESIZE"; #endif #ifdefined(AT_L3_CACHEGEOMETRY) case AT_L3_CACHEGEOMETRY: return"AT_L3_CACHEGEOMETRY"; #endif
} staticchar name[32];
snprintf(name, sizeof(name), "AT_??? (%d)", at); return name;
}
void ld_show_auxv(ElfW(auxv_t)* auxv) { for (ElfW(auxv_t)* v = auxv; v->a_type != AT_NULL; ++v) { constchar* name = auxv_name(v->a_type); long value = v->a_un.a_val; switch (v->a_type) { case AT_SYSINFO_EHDR: case AT_PHDR: case AT_BASE: case AT_ENTRY: case AT_RANDOM:
async_safe_format_fd(STDOUT_FILENO, "%-20s %#lx\n", name, value); break; case AT_FLAGS: case AT_HWCAP: case AT_HWCAP2: case AT_HWCAP3: case AT_HWCAP4:
async_safe_format_fd(STDOUT_FILENO, "%-20s %#lb\n", name, value); break; case AT_EXECFN: case AT_PLATFORM:
async_safe_format_fd(STDOUT_FILENO, "%-20s \"%s\"\n", name, reinterpret_cast<char*>(value)); break; default:
async_safe_format_fd(STDOUT_FILENO, "%-20s %ld\n", name, value); break;
}
}
}
Messung V0.5 in Prozent
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(vorverarbeitet am 2026-06-28)
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