Commit fc5fa862 authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

modpost: squash report_sec_mismatch() into default_mismatch_handler()



report_sec_mismatch() and default_mismatch_handler() are small enough
to be merged together.

Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
Reviewed-by: default avatarNick Desaulniers <ndesaulniers@google.com>
parent faee9def
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+20 −35
Original line number Diff line number Diff line
@@ -1207,17 +1207,27 @@ static Elf_Sym *find_elf_symbol2(struct elf_info *elf, Elf_Addr addr,
	return near;
}

/*
 * Print a warning about a section mismatch.
 * Try to find symbols near it so user can find it.
 * Check whitelist before warning - it may be a false positive.
 */
static void report_sec_mismatch(const char *modname,
				const struct sectioncheck *mismatch,
				const char *fromsec,
				const char *fromsym,
				const char *tosec, const char *tosym)
static void default_mismatch_handler(const char *modname, struct elf_info *elf,
				     const struct sectioncheck* const mismatch,
				     Elf_Rela *r, Elf_Sym *sym, const char *fromsec)
{
	const char *tosec;
	Elf_Sym *to;
	Elf_Sym *from;
	const char *tosym;
	const char *fromsym;

	from = find_elf_symbol2(elf, r->r_offset, fromsec);
	fromsym = sym_name(elf, from);

	tosec = sec_name(elf, get_secindex(elf, sym));
	to = find_elf_symbol(elf, r->r_addend, sym);
	tosym = sym_name(elf, to);

	/* check whitelist - we may ignore it */
	if (!secref_whitelist(mismatch, fromsec, fromsym, tosec, tosym))
		return;

	sec_mismatch_count++;

	switch (mismatch->mismatch) {
@@ -1242,31 +1252,6 @@ static void report_sec_mismatch(const char *modname,
	}
}

static void default_mismatch_handler(const char *modname, struct elf_info *elf,
				     const struct sectioncheck* const mismatch,
				     Elf_Rela *r, Elf_Sym *sym, const char *fromsec)
{
	const char *tosec;
	Elf_Sym *to;
	Elf_Sym *from;
	const char *tosym;
	const char *fromsym;

	from = find_elf_symbol2(elf, r->r_offset, fromsec);
	fromsym = sym_name(elf, from);

	tosec = sec_name(elf, get_secindex(elf, sym));
	to = find_elf_symbol(elf, r->r_addend, sym);
	tosym = sym_name(elf, to);

	/* check whitelist - we may ignore it */
	if (secref_whitelist(mismatch,
			     fromsec, fromsym, tosec, tosym)) {
		report_sec_mismatch(modname, mismatch,
				    fromsec, fromsym, tosec, tosym);
	}
}

static int is_executable_section(struct elf_info* elf, unsigned int section_index)
{
	if (section_index > elf->num_sections)