def find_elf_h_constants(cc):
"""Returns a dictionary of relevant constants from <elf.h>."""
return glibcextract.compute_macro_consts(
source_text='#include <elf.h>',
cc=cc,
macro_re='|'.join(prefix + '.*'
for prefix in expected_constant_prefixes))
def kernel_constants(cc):
"""Return a dictionary with the kernel-defined system call numbers.
This comes from <asm/unistd.h>.
"""
return {extract_system_call_name(name) : int(value)
for name, value in glibcextract.compute_macro_consts(
'#include <asm/unistd.h>\n'
# Regularlize the kernel definitions if necessary.
'#include <fixup-asm-unistd.h>',
cc, macro_re=RE_SYSCALL, exclude_re=RE_PSEUDO_SYSCALL)
.items()}