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-rw-r--r--elf/elf.h30
1 files changed, 19 insertions, 11 deletions
diff --git a/elf/elf.h b/elf/elf.h
index cc33624208..3970505c29 100644
--- a/elf/elf.h
+++ b/elf/elf.h
@@ -1337,17 +1337,17 @@ typedef Elf32_Addr Elf32_Conflict;
/* PowerPC relocations defined by the ABIs */
#define R_PPC_NONE 0
-#define R_PPC_ADDR32 1
-#define R_PPC_ADDR24 2
-#define R_PPC_ADDR16 3
-#define R_PPC_ADDR16_LO 4
-#define R_PPC_ADDR16_HI 5
-#define R_PPC_ADDR16_HA 6
-#define R_PPC_ADDR14 7
+#define R_PPC_ADDR32 1 /* 32bit absolute address */
+#define R_PPC_ADDR24 2 /* 26bit address, 2 bits ignored. */
+#define R_PPC_ADDR16 3 /* 16bit absolute address */
+#define R_PPC_ADDR16_LO 4 /* lower 16bit of absolute address */
+#define R_PPC_ADDR16_HI 5 /* high 16bit of absolute address */
+#define R_PPC_ADDR16_HA 6 /* adjusted high 16bit */
+#define R_PPC_ADDR14 7 /* 16bit address, 2 bits ignored */
#define R_PPC_ADDR14_BRTAKEN 8
#define R_PPC_ADDR14_BRNTAKEN 9
-#define R_PPC_REL24 10
-#define R_PPC_REL14 11
+#define R_PPC_REL24 10 /* PC relative 26 bit */
+#define R_PPC_REL14 11 /* PC relative 16 bit */
#define R_PPC_REL14_BRTAKEN 12
#define R_PPC_REL14_BRNTAKEN 13
#define R_PPC_GOT16 14
@@ -1386,14 +1386,22 @@ typedef Elf32_Addr Elf32_Conflict;
#define R_PPC_EMB_SDAI16 106
#define R_PPC_EMB_SDA2I16 107
#define R_PPC_EMB_SDA2REL 108
-#define R_PPC_EMB_SDA21 109
+#define R_PPC_EMB_SDA21 109 /* 16 bit offset in SDA */
#define R_PPC_EMB_MRKREF 110
#define R_PPC_EMB_RELSEC16 111
#define R_PPC_EMB_RELST_LO 112
#define R_PPC_EMB_RELST_HI 113
#define R_PPC_EMB_RELST_HA 114
#define R_PPC_EMB_BIT_FLD 115
-#define R_PPC_EMB_RELSDA 116
+#define R_PPC_EMB_RELSDA 116 /* 16 bit relative offset in SDA */
+
+/* Diab tool relocations. */
+#define R_PPC_DIAB_SDA21_LO 180 /* like EMB_SDA21, but lower 16 bit */
+#define R_PPC_DIAB_SDA21_HI 181 /* like EMB_SDA21, but high 16 bit */
+#define R_PPC_DIAB_SDA21_HA 182 /* like EMB_SDA21, adjusted high 16 */
+#define R_PPC_DIAB_RELSDA_LO 183 /* like EMB_RELSDA, but lower 16 bit */
+#define R_PPC_DIAB_RELSDA_HI 184 /* like EMB_RELSDA, but high 16 bit */
+#define R_PPC_DIAB_RELSDA_HA 185 /* like EMB_RELSDA, adjusted high 16 */
/* This is a phony reloc to handle any old fashioned TOC16 references
that may still be in object files. */