git: 79f5d19890c3 - main - kldxref: add R_PPC_ADDR32 handler

The branch main has been updated by alfredo:

URL: https://cgit.FreeBSD.org/src/commit/?id=79f5d19890c3a703b3808af2dffe9d181a2e1696

commit 79f5d19890c3a703b3808af2dffe9d181a2e1696
Author:     Alfredo Dal'Ava Junior <alfredo@FreeBSD.org>
AuthorDate: 2022-02-10 15:12:04 +0000
Commit:     Alfredo Dal'Ava Junior <alfredo@FreeBSD.org>
CommitDate: 2022-02-10 15:15:47 +0000

    kldxref: add R_PPC_ADDR32 handler
    
    Implements R_PPC_ADDR32 handler for kldxref, addressing
    "kldxref: unhandled relocation type 1" when running
    "kldxref /boot/kernel" on powerpc 32 bits.
    
    Reviewed by:    luporl
    MFC after:      2 days
    Sponsored by:   Instituto de Pesquisas Eldorado (eldorado.org.br)
    Differential Revision:  https://reviews.freebsd.org/D33745
---
 usr.sbin/kldxref/ef_powerpc.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/usr.sbin/kldxref/ef_powerpc.c b/usr.sbin/kldxref/ef_powerpc.c
index c50f518f892e..45eca477abcd 100644
--- a/usr.sbin/kldxref/ef_powerpc.c
+++ b/usr.sbin/kldxref/ef_powerpc.c
@@ -55,6 +55,7 @@ ef_reloc(struct elf_file *ef, const void *reldata, int reltype, Elf_Off relbase,
     Elf_Off dataoff, size_t len, void *dest)
 {
 	Elf_Addr *where, addend;
+	Elf32_Addr *where32;
 	Elf_Size rtype, symidx;
 	const Elf_Rela *rela;
 
@@ -63,6 +64,7 @@ ef_reloc(struct elf_file *ef, const void *reldata, int reltype, Elf_Off relbase,
 
 	rela = (const Elf_Rela *)reldata;
 	where = (Elf_Addr *) ((Elf_Off)dest - dataoff + rela->r_offset);
+	where32 = (Elf32_Addr *) ((Elf_Off)dest - dataoff + rela->r_offset);
 	addend = rela->r_addend;
 	rtype = ELF_R_TYPE(rela->r_info);
 	symidx = ELF_R_SYM(rela->r_info);
@@ -74,9 +76,14 @@ ef_reloc(struct elf_file *ef, const void *reldata, int reltype, Elf_Off relbase,
 	case R_PPC_RELATIVE: /* word32|doubleword64 B + A */
 		*where = relbase + addend;
 		break;
-	case R_PPC64_ADDR64:	/* S + A */
+	case R_PPC_ADDR32:	/* word32 S + A */
+		*where32 = EF_SYMADDR(ef, symidx) + addend;
+		break;
+#ifdef __powerpc64__
+	case R_PPC64_ADDR64:	/* doubleword64 S + A */
 		*where = EF_SYMADDR(ef, symidx) + addend;
 		break;
+#endif
 	default:
 		warnx("unhandled relocation type %" PRI_ELF_SIZE, rtype);
 	}