diff options
Diffstat (limited to 'target/linux/generic/backport-5.4/030-modpost-add-a-helper-to-get-data-pointed-by-a-symbol.patch')
| -rw-r--r-- | target/linux/generic/backport-5.4/030-modpost-add-a-helper-to-get-data-pointed-by-a-symbol.patch | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/target/linux/generic/backport-5.4/030-modpost-add-a-helper-to-get-data-pointed-by-a-symbol.patch b/target/linux/generic/backport-5.4/030-modpost-add-a-helper-to-get-data-pointed-by-a-symbol.patch deleted file mode 100644 index cf88c0c69f..0000000000 --- a/target/linux/generic/backport-5.4/030-modpost-add-a-helper-to-get-data-pointed-by-a-symbol.patch +++ /dev/null @@ -1,53 +0,0 @@ -From afa0459daa7b08c7b2c879705b69d39b734a11d0 Mon Sep 17 00:00:00 2001 -From: Masahiro Yamada <yamada.masahiro@socionext.com> -Date: Fri, 15 Nov 2019 02:42:21 +0900 -Subject: [PATCH] modpost: add a helper to get data pointed by a symbol - -When CONFIG_MODULE_REL_CRCS is enabled, the value of __crc_* is not -an absolute value, but the address to the CRC data embedded in the -.rodata section. - -Getting the data pointed by the symbol value is somewhat complex. -Split it out into a new helper, sym_get_data(). - -I will reuse it to refactor namespace_from_kstrtabns() in the next -commit. - -Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> ---- - scripts/mod/modpost.c | 17 +++++++++++++---- - 1 file changed, 13 insertions(+), 4 deletions(-) - ---- a/scripts/mod/modpost.c -+++ b/scripts/mod/modpost.c -@@ -312,6 +312,18 @@ static const char *sec_name(struct elf_i - return sech_name(elf, &elf->sechdrs[secindex]); - } - -+static void *sym_get_data(const struct elf_info *info, const Elf_Sym *sym) -+{ -+ Elf_Shdr *sechdr = &info->sechdrs[sym->st_shndx]; -+ unsigned long offset; -+ -+ offset = sym->st_value; -+ if (info->hdr->e_type != ET_REL) -+ offset -= sechdr->sh_addr; -+ -+ return (void *)info->hdr + sechdr->sh_offset + offset; -+} -+ - #define strstarts(str, prefix) (strncmp(str, prefix, strlen(prefix)) == 0) - - static enum export export_from_secname(struct elf_info *elf, unsigned int sec) -@@ -701,10 +713,7 @@ static void handle_modversions(struct mo - unsigned int *crcp; - - /* symbol points to the CRC in the ELF object */ -- crcp = (void *)info->hdr + sym->st_value + -- info->sechdrs[sym->st_shndx].sh_offset - -- (info->hdr->e_type != ET_REL ? -- info->sechdrs[sym->st_shndx].sh_addr : 0); -+ crcp = sym_get_data(info, sym); - crc = TO_NATIVE(*crcp); - } - sym_update_crc(symname + strlen("__crc_"), mod, crc, |