[PATCH 4/7] modpost: pass around const struct sectioncheck * instead of enum mismatch

From: Uwe Kleine-KÃnig
Date: Sat Jan 30 2010 - 15:47:28 EST


This prepares having a per-check whitelist of symbol names.

Signed-off-by: Uwe Kleine-KÃnig <u.kleine-koenig@xxxxxxxxxxxxxx>
---
scripts/mod/modpost.c | 16 +++++++++-------
1 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 598d54a..3f0380b 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -933,7 +933,8 @@ const struct sectioncheck sectioncheck[] = {
}
};

-static int section_mismatch(const char *fromsec, const char *tosec)
+static const struct sectioncheck *section_mismatch(
+ const char *fromsec, const char *tosec)
{
int i;
int elems = sizeof(sectioncheck) / sizeof(struct sectioncheck);
@@ -942,10 +943,10 @@ static int section_mismatch(const char *fromsec, const char *tosec)
for (i = 0; i < elems; i++) {
if (match(fromsec, check->fromsec) &&
match(tosec, check->tosec))
- return check->mismatch;
+ return check;
check++;
}
- return NO_MISMATCH;
+ return NULL;
}

/**
@@ -1158,7 +1159,8 @@ static int is_function(Elf_Sym *sym)
* 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, enum mismatch mismatch,
+static void report_sec_mismatch(const char *modname,
+ const struct sectioncheck *mismatch,
const char *fromsec,
unsigned long long fromaddr,
const char *fromsym,
@@ -1189,7 +1191,7 @@ static void report_sec_mismatch(const char *modname, enum mismatch mismatch,
modname, fromsec, fromaddr, from, fromsym, from_p, to, tosec,
tosym, to_p);

- switch (mismatch) {
+ switch (mismatch->mismatch) {
case TEXT_TO_ANY_INIT:
fprintf(stderr,
"The function %s%s() references\n"
@@ -1289,11 +1291,11 @@ static void check_section_mismatch(const char *modname, struct elf_info *elf,
Elf_Rela *r, Elf_Sym *sym, const char *fromsec)
{
const char *tosec;
- enum mismatch mismatch;
+ const struct sectioncheck *mismatch;

tosec = sec_name(elf, sym->st_shndx);
mismatch = section_mismatch(fromsec, tosec);
- if (mismatch != NO_MISMATCH) {
+ if (mismatch) {
Elf_Sym *to;
Elf_Sym *from;
const char *tosym;
--
1.6.6

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