From: Ard Biesheuvel <[email protected]>

MIPS supports PC32 relocations like most other architectures, which will
be used by kallsyms to make its symbol references visible to the linker.

Given that these are place-relative, they can be ignored by the 'relocs'
tool, just like other PC type relocations.

Cc: Thomas Bogendoerfer <[email protected]>
Signed-off-by: Ard Biesheuvel <[email protected]>
---
 arch/mips/boot/tools/relocs.c | 2 ++
 arch/mips/include/asm/elf.h   | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/arch/mips/boot/tools/relocs.c b/arch/mips/boot/tools/relocs.c
index 9863e1d5c62e..30809f47415a 100644
--- a/arch/mips/boot/tools/relocs.c
+++ b/arch/mips/boot/tools/relocs.c
@@ -79,6 +79,7 @@ static const char *rel_type(unsigned type)
                REL_TYPE(R_MIPS_HIGHEST),
                REL_TYPE(R_MIPS_PC21_S2),
                REL_TYPE(R_MIPS_PC26_S2),
+               REL_TYPE(R_MIPS_PC32),
 #undef REL_TYPE
        };
        const char *name = "unknown type rel type name";
@@ -522,6 +523,7 @@ static int do_reloc(struct section *sec, Elf_Rel *rel, 
Elf_Sym *sym,
        case R_MIPS_PC16:
        case R_MIPS_PC21_S2:
        case R_MIPS_PC26_S2:
+       case R_MIPS_PC32:
                /*
                 * NONE can be ignored and PC relative relocations don't
                 * need to be adjusted.
diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h
index dc8d2863752c..aaef0eaa68d5 100644
--- a/arch/mips/include/asm/elf.h
+++ b/arch/mips/include/asm/elf.h
@@ -123,6 +123,8 @@
 #define R_MIPS_LOVENDOR                100
 #define R_MIPS_HIVENDOR                127
 
+#define R_MIPS_PC32            248
+
 #define SHN_MIPS_ACCOMON       0xff00          /* Allocated common symbols */
 #define SHN_MIPS_TEXT          0xff01          /* Allocated test symbols.  */
 #define SHN_MIPS_DATA          0xff02          /* Allocated data symbols.  */
-- 
2.52.0.457.g6b5491de43-goog


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