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authorVladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>2016-06-20 11:45:18 -0700
committerCary Coutant <ccoutant@gmail.com>2016-06-20 11:45:18 -0700
commitf5b117594fd27b73be9c1b4bb10e171883783450 (patch)
tree89f95d02dfa35d398fe0d3cb77b1a6249cb88600 /elfcpp
parent7dc3990e4002e0062007c1d41b56e04b5b8ec1ec (diff)
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Add support for Mips32r6 and Mips64r6.
elfcpp/ * mips.h (R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3, R_MIPS_PC19_S2, R_MIPS_PCHI16, R_MIPS_PCLO16): New enums for Mips32r6 and Mips64r6 relocations. (r6_isa): New function. gold/ * mips.cc (relocation_needs_la25_stub): Add support for relocs: R_MIPS_PC21_S2 and R_MIPS_PC26_S2. (hi16_reloc): Add support for R_MIPS_PCHI16 relocation. (is_matching_lo16_reloc): Likewise. (lo16_reloc): Add support for R_MIPS_PCLO16 relocation. (Mips_output_data_plt::plt_entry_r6): New static data member for R6 PLT entry. (Target_mips::is_output_r6): New method. (Target_mips::Mips_mach): Add new enum constants. (Mips_relocate_functions::Status): Likewise. (Mips_relocate_functions::pchi16_relocs): New static data member. (Mips_relocate_functions::relpc21): New method. (Mips_relocate_functions::relpc26): Likewise. (Mips_relocate_functions::relpc18): Likewise. (Mips_relocate_functions::relpc19): Likewise. (Mips_relocate_functions::relpchi16): Likewise. (Mips_relocate_functions::do_relpchi16): Likewise. (Mips_relocate_functions::relpclo16): Likewise. (Mips_output_data_plt::do_write): Add support for Mips r6 plt entry. (Target_mips::mips_32bit_flags): Add E_MIPS_ARCH_32R6 support. (Target_mips::elf_mips_mach): Add E_MIPS_ARCH_32R6 and E_MIPS_ARCH_64R6 support. (Target_mips::update_abiflags_isa): Likewise. (mips_get_size_for_reloc): Add support for relocs: R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and R_MIPS_PC19_S2. (Target_mips::Scan::local): Add support for relocs: R_MIPS_PCHI16 and R_MIPS_PCLO16. (Target_mips::Scan::global): Add support for relocs: R_MIPS_PC21_S2 and R_MIPS_PC26_S2. (Target_mips::Relocate::relocate): Call functions for resolving Mips32r6 and Mips64r6 relocations, and print error message for STATUS_PCREL_UNALIGNED. (Target_mips::Scan::get_reference_flags): Add support for relocs: R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and R_MIPS_PC19_S2. (Target_mips::elf_mips_mach_name): Add E_MIPS_ARCH_32R6 and E_MIPS_ARCH_64R6 support.
Diffstat (limited to 'elfcpp')
-rw-r--r--elfcpp/ChangeLog7
-rw-r--r--elfcpp/mips.h14
2 files changed, 21 insertions, 0 deletions
diff --git a/elfcpp/ChangeLog b/elfcpp/ChangeLog
index 93b2189..fa8594e 100644
--- a/elfcpp/ChangeLog
+++ b/elfcpp/ChangeLog
@@ -1,3 +1,10 @@
+2016-06-20 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
+
+ * mips.h (R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3,
+ R_MIPS_PC19_S2, R_MIPS_PCHI16, R_MIPS_PCLO16): New enums for
+ Mips32r6 and Mips64r6 relocations.
+ (r6_isa): New function.
+
2016-06-10 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
* elfcpp.h (SHT_MIPS_ABIFLAGS): New enum constant.
diff --git a/elfcpp/mips.h b/elfcpp/mips.h
index a7a9799..f93a18f 100644
--- a/elfcpp/mips.h
+++ b/elfcpp/mips.h
@@ -98,6 +98,12 @@ enum
R_MIPS_TLS_TPREL_HI16 = 49,
R_MIPS_TLS_TPREL_LO16 = 50,
R_MIPS_GLOB_DAT = 51,
+ R_MIPS_PC21_S2 = 60,
+ R_MIPS_PC26_S2 = 61,
+ R_MIPS_PC18_S3 = 62,
+ R_MIPS_PC19_S2 = 63,
+ R_MIPS_PCHI16 = 64,
+ R_MIPS_PCLO16 = 65,
// These relocs are used for the mips16.
R_MIPS16_26 = 100,
R_MIPS16_GPREL = 101,
@@ -479,6 +485,14 @@ bool
abi_n32(elfcpp::Elf_Word e_flags)
{ return (e_flags & elfcpp::EF_MIPS_ABI2) != 0; }
+// Whether the ISA is R6.
+bool
+r6_isa(elfcpp::Elf_Word e_flags)
+{
+ return ((e_flags & elfcpp::EF_MIPS_ARCH) == elfcpp::E_MIPS_ARCH_32R6)
+ || ((e_flags & elfcpp::EF_MIPS_ARCH) == elfcpp::E_MIPS_ARCH_64R6);
+}
+
// Whether the file has microMIPS code.
bool
is_micromips(elfcpp::Elf_Word e_flags)