ipmr/ip6mr: Initialize the last assert time of mfc entries.
[pandora-kernel.git] / scripts / recordmcount.h
index 4be6036..799d734 100644 (file)
@@ -43,6 +43,7 @@
 #undef ELF_R_INFO
 #undef Elf_r_info
 #undef ELF_ST_BIND
+#undef ELF_ST_TYPE
 #undef fn_ELF_R_SYM
 #undef fn_ELF_R_INFO
 #undef uint_t
@@ -76,6 +77,7 @@
 # define ELF_R_INFO            ELF64_R_INFO
 # define Elf_r_info            Elf64_r_info
 # define ELF_ST_BIND           ELF64_ST_BIND
+# define ELF_ST_TYPE           ELF64_ST_TYPE
 # define fn_ELF_R_SYM          fn_ELF64_R_SYM
 # define fn_ELF_R_INFO         fn_ELF64_R_INFO
 # define uint_t                        uint64_t
 # define ELF_R_INFO            ELF32_R_INFO
 # define Elf_r_info            Elf32_r_info
 # define ELF_ST_BIND           ELF32_ST_BIND
+# define ELF_ST_TYPE           ELF32_ST_TYPE
 # define fn_ELF_R_SYM          fn_ELF32_R_SYM
 # define fn_ELF_R_INFO         fn_ELF32_R_INFO
 # define uint_t                        uint32_t
@@ -160,11 +163,11 @@ static int mcount_adjust = 0;
 
 static int MIPS_is_fake_mcount(Elf_Rel const *rp)
 {
-       static Elf_Addr old_r_offset;
+       static Elf_Addr old_r_offset = ~(Elf_Addr)0;
        Elf_Addr current_r_offset = _w(rp->r_offset);
        int is_fake;
 
-       is_fake = old_r_offset &&
+       is_fake = (old_r_offset != ~(Elf_Addr)0) &&
                (current_r_offset - old_r_offset == MIPS_FAKEMCOUNT_OFFSET);
        old_r_offset = current_r_offset;
 
@@ -372,7 +375,7 @@ static void nop_mcount(Elf_Shdr const *const relhdr,
 
                if (mcountsym == Elf_r_sym(relp) && !is_fake_mcount(relp)) {
                        if (make_nop)
-                               ret = make_nop((void *)ehdr, shdr->sh_offset + relp->r_offset);
+                               ret = make_nop((void *)ehdr, _w(shdr->sh_offset) + _w(relp->r_offset));
                        if (warn_on_notrace_sect && !once) {
                                printf("Section %s has mcount callers being ignored\n",
                                       txtname);
@@ -427,6 +430,11 @@ static unsigned find_secsym_ndx(unsigned const txtndx,
                if (txtndx == w2(symp->st_shndx)
                        /* avoid STB_WEAK */
                    && (STB_LOCAL == st_bind || STB_GLOBAL == st_bind)) {
+                       /* function symbols on ARM have quirks, avoid them */
+                       if (w2(ehdr->e_machine) == EM_ARM
+                           && ELF_ST_TYPE(symp->st_info) == STT_FUNC)
+                               continue;
+
                        *recvalp = _w(symp->st_value);
                        return symp - sym0;
                }
@@ -454,7 +462,7 @@ __has_rel_mcount(Elf_Shdr const *const relhdr,  /* is SHT_REL or SHT_RELA */
                succeed_file();
        }
        if (w(txthdr->sh_type) != SHT_PROGBITS ||
-           !(w(txthdr->sh_flags) & SHF_EXECINSTR))
+           !(_w(txthdr->sh_flags) & SHF_EXECINSTR))
                return NULL;
        return txtname;
 }