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authorAlan Modra <amodra@gmail.com>2019-06-03 11:48:43 +0930
committerAlan Modra <amodra@gmail.com>2019-07-13 09:57:50 +0930
commite4dff7651becba48d805e39655138f7f6ca30485 (patch)
tree24f049111d289a14a6001c7b325c4f421445b7a7 /elfcpp
parent220f99066d6ce2a6caf17692fcc57d714d8f6910 (diff)
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[GOLD] PowerPC relocations for prefix insns
Also use pc-relative instructions for notoc stubs. elfcpp/ * powerpc.h (R_PPC64_PCREL_OPT, R_PPC64_D34, R_PPC64_D34_LO), (R_PPC64_D34_HI30, R_PPC64_D34_HA30, R_PPC64_PCREL34), (R_PPC64_GOT_PCREL34, R_PPC64_PLT_PCREL34, R_PPC64_PLT_PCREL34_NOTOC), (R_PPC64_ADDR16_HIGHER34, R_PPC64_ADDR16_HIGHERA34), (R_PPC64_ADDR16_HIGHEST34, R_PPC64_ADDR16_HIGHESTA34), (R_PPC64_REL16_HIGHER34, R_PPC64_REL16_HIGHERA34), (R_PPC64_REL16_HIGHEST34, R_PPC64_REL16_HIGHESTA34), (R_PPC64_D28, R_PPC64_PCREL28): Define. gold/ * powerpc.cc (Target_powerpc): Add powerxx_stubs_ and accessor functions. (Target_powerpc::maybe_skip_tls_get_addr_call): Handle PLT_PCREL34 and PLT_PCREL34_NOTOC relocs. (Powerpc_relocate_functions): Add addr34, addr34_hi, addr34_ha, addr28, addr16_higher34, addr16_highera34, addr16_highest34, addr16_highest34a functions. (li_11_0, ori_11_11_0, sldi_11_11_34): Define. (paddi_12_pc, pld_12_pc, pnop): Define. (d34, ha34): New inline functions. (Stub_table::add_plt_call_entry): Handle powerxx_stubs. (Stub_table::add_eh_frame): Likewise. (build_powerxx_offset): New function. (Stub_table::plt_call_size): Handle powerxx_stubs. (Stub_table::branch_stub_size): Likewise. (Stub_table::do_write): Likewise. (Target_powerpc::Scan::get_reference_flags): Handle new relocs. (Target_powerpc::Scan::reloc_needs_plt_for_ifunc: Likewise. (Target_powerpc::Scan::local, global, relocate): Likewise.
Diffstat (limited to 'elfcpp')
-rw-r--r--elfcpp/ChangeLog11
-rw-r--r--elfcpp/powerpc.h20
2 files changed, 31 insertions, 0 deletions
diff --git a/elfcpp/ChangeLog b/elfcpp/ChangeLog
index b240938..724c95a 100644
--- a/elfcpp/ChangeLog
+++ b/elfcpp/ChangeLog
@@ -1,5 +1,16 @@
2019-07-13 Alan Modra <amodra@gmail.com>
+ * powerpc.h (R_PPC64_PCREL_OPT, R_PPC64_D34, R_PPC64_D34_LO),
+ (R_PPC64_D34_HI30, R_PPC64_D34_HA30, R_PPC64_PCREL34),
+ (R_PPC64_GOT_PCREL34, R_PPC64_PLT_PCREL34, R_PPC64_PLT_PCREL34_NOTOC),
+ (R_PPC64_ADDR16_HIGHER34, R_PPC64_ADDR16_HIGHERA34),
+ (R_PPC64_ADDR16_HIGHEST34, R_PPC64_ADDR16_HIGHESTA34),
+ (R_PPC64_REL16_HIGHER34, R_PPC64_REL16_HIGHERA34),
+ (R_PPC64_REL16_HIGHEST34, R_PPC64_REL16_HIGHESTA34),
+ (R_PPC64_D28, R_PPC64_PCREL28): Define.
+
+2019-07-13 Alan Modra <amodra@gmail.com>
+
* powerpc.h (R_PPC64_PLTSEQ_NOTOC, R_PPC64_PLTCALL_NOTOC): Define.
2019-06-28 Alan Modra <amodra@gmail.com>
diff --git a/elfcpp/powerpc.h b/elfcpp/powerpc.h
index 5e5e39a..d06eba4 100644
--- a/elfcpp/powerpc.h
+++ b/elfcpp/powerpc.h
@@ -183,6 +183,26 @@ enum
R_POWERPC_PLTCALL = 120,
R_PPC64_PLTSEQ_NOTOC = 121,
R_PPC64_PLTCALL_NOTOC = 122,
+ R_PPC64_PCREL_OPT = 123,
+
+ R_PPC64_D34 = 128,
+ R_PPC64_D34_LO = 129,
+ R_PPC64_D34_HI30 = 130,
+ R_PPC64_D34_HA30 = 131,
+ R_PPC64_PCREL34 = 132,
+ R_PPC64_GOT_PCREL34 = 133,
+ R_PPC64_PLT_PCREL34 = 134,
+ R_PPC64_PLT_PCREL34_NOTOC = 135,
+ R_PPC64_ADDR16_HIGHER34 = 136,
+ R_PPC64_ADDR16_HIGHERA34 = 137,
+ R_PPC64_ADDR16_HIGHEST34 = 138,
+ R_PPC64_ADDR16_HIGHESTA34 = 139,
+ R_PPC64_REL16_HIGHER34 = 140,
+ R_PPC64_REL16_HIGHERA34 = 141,
+ R_PPC64_REL16_HIGHEST34 = 142,
+ R_PPC64_REL16_HIGHESTA34 = 143,
+ R_PPC64_D28 = 144,
+ R_PPC64_PCREL28 = 145,
R_PPC_VLE_REL8 = 216,
R_PPC_VLE_REL15 = 217,