TechPanelGM/kernel_xiaomi_sm8250
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Revert "ANDROID: modpost: add an exception for CFI stubs"

Browse Source 
This reverts commit e525d2cfbe652f4e287a7f84ce397d4f751d3aed.

Reason for revert: not present in android11-5.4

Change-Id: If175677a9002962baf605e632c74435f659e0420
Signed-off-by: Alexander Winkowski <dereference23@outlook.com>
This commit is contained in:
Alexander Winkowski
2025-03-29 19:07:31 +00:00
committed by basamaryan
parent fa0cd620e3
commit 9124f74b06
1 changed files with 0 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
scripts/mod/modpost.c
View File

@@ -945,7 +945,6 @@ static const char *const head_sections[] = { ".head.text*", NULL };
static const char *const linker_symbols[] = static const char *const linker_symbols[] =
{ "__init_begin", "_sinittext", "_einittext", NULL }; { "__init_begin", "_sinittext", "_einittext", NULL };
static const char *const optim_symbols[] = { "*.constprop.*", NULL }; static const char *const optim_symbols[] = { "*.constprop.*", NULL };
static const char *const cfi_symbols[] = { "*.cfi", NULL };
enum mismatch { enum mismatch {
TEXT_TO_ANY_INIT, TEXT_TO_ANY_INIT,
@@ -1176,16 +1175,6 @@ static const struct sectioncheck *section_mismatch(
* names to work. (One situation where gcc can autogenerate ELF * names to work. (One situation where gcc can autogenerate ELF
* local symbols is when "-fsection-anchors" is used.) * local symbols is when "-fsection-anchors" is used.)
* *
* Pattern 7:
* With CONFIG_CFI_CLANG, clang appends .cfi to all indirectly called
* functions and creates a function stub with the original name. This
* stub is always placed in .text, even if the actual function with the
* .cfi postfix is in .init.text or .exit.text.
* This pattern is identified by
* tosec = init or exit section
* fromsec = text section
* tosym = *.cfi
*
**/ **/
static int secref_whitelist(const struct sectioncheck *mismatch, static int secref_whitelist(const struct sectioncheck *mismatch,
const char *fromsec, const char *fromsym, const char *fromsec, const char *fromsym,
@@ -1228,12 +1217,6 @@ static int secref_whitelist(const struct sectioncheck *mismatch,
if (strstarts(fromsym, ".L")) if (strstarts(fromsym, ".L"))
return 0; return 0;
/* Check for pattern 7 */
if (match(fromsec, text_sections) &&
match(tosec, init_exit_sections) &&
match(tosym, cfi_symbols))
return 0;
return 1; return 1;
} }