-/*
- * Identify sections from which references to either a
- * .init or a .exit section is OK.
- *
- * [OPD] Keith Ownes <kaos@sgi.com> commented:
- * For our future {in}sanity, add a comment that this is the ppc .opd
- * section, not the ia64 .opd section.
- * ia64 .opd should not point to discarded sections.
- * [.rodata] like for .init.text we ignore .rodata references -same reason
- */
-static int initexit_section_ref_ok(const char *name)
-{
- const char **s;
- /* Absolute section names */
- const char *namelist1[] = {
- "__bug_table", /* used by powerpc for BUG() */
- "__ex_table",
- ".altinstructions",
- ".cranges", /* used by sh64 */
- ".fixup",
- ".machvec", /* ia64 + powerpc uses these */
- ".machine.desc",
- ".opd", /* See comment [OPD] */
- "__dbe_table",
- ".parainstructions",
- ".pdr",
- ".plt", /* seen on ARCH=um build on x86_64. Harmless */
- ".smp_locks",
- ".stab",
- ".m68k_fixup",
- ".xt.prop", /* xtensa informational section */
- ".xt.lit", /* xtensa informational section */
- NULL
- };
- /* Start of section names */
- const char *namelist2[] = {
- ".debug",
- ".eh_frame",
- ".note", /* ignore ELF notes - may contain anything */
- ".got", /* powerpc - global offset table */
- ".toc", /* powerpc - table of contents */
- NULL
- };
- /* part of section name */
- const char *namelist3 [] = {
- ".unwind", /* Sample: IA_64.unwind.exit.text */
- NULL
- };
-
- for (s = namelist1; *s; s++)
- if (strcmp(*s, name) == 0)
- return 1;
- for (s = namelist2; *s; s++)
- if (strncmp(*s, name, strlen(*s)) == 0)
- return 1;
- for (s = namelist3; *s; s++)
- if (strstr(name, *s) != NULL)
- return 1;
- return 0;
-}
-
-
-/*
- * Identify sections from which references to a .init section is OK.
- *
- * Unfortunately references to read only data that referenced .init
- * sections had to be excluded. Almost all of these are false
- * positives, they are created by gcc. The downside of excluding rodata
- * is that there really are some user references from rodata to
- * init code, e.g. drivers/video/vgacon.c:
- *
- * const struct consw vga_con = {
- * con_startup: vgacon_startup,
- *
- * where vgacon_startup is __init. If you want to wade through the false
- * positives, take out the check for rodata.
- */
-static int init_section_ref_ok(const char *name)
-{
- const char **s;
- /* Absolute section names */
- const char *namelist1[] = {
- "__dbe_table", /* MIPS generate these */
- "__ftr_fixup", /* powerpc cpu feature fixup */
- "__fw_ftr_fixup", /* powerpc firmware feature fixup */
- "__param",
- ".data.rel.ro", /* used by parisc64 */
- ".init",
- ".text.lock",
- NULL
- };
- /* Start of section names */
- const char *namelist2[] = {
- ".init.",
- ".pci_fixup",
- ".rodata",
- NULL
- };
-
- if (initexit_section_ref_ok(name))
- return 1;
-
- for (s = namelist1; *s; s++)
- if (strcmp(*s, name) == 0)
- return 1;
- for (s = namelist2; *s; s++)
- if (strncmp(*s, name, strlen(*s)) == 0)
- return 1;
-
- /* If section name ends with ".init" we allow references
- * as is the case with .initcallN.init, .early_param.init, .taglist.init etc
- */
- if (strrcmp(name, ".init") == 0)
- return 1;
- return 0;
-}
-
-/*
- * Identify sections from which references to a .exit section is OK.
- */
-static int exit_section_ref_ok(const char *name)
-{
- const char **s;
- /* Absolute section names */
- const char *namelist1[] = {
- ".exit.data",
- ".exit.text",
- ".exitcall.exit",
- ".rodata",
- NULL
- };
-
- if (initexit_section_ref_ok(name))
- return 1;
-
- for (s = namelist1; *s; s++)
- if (strcmp(*s, name) == 0)
- return 1;
- return 0;
-}
-