diff options
author | Andrew Waterman <andrew@sifive.com> | 2016-12-20 14:25:33 -0800 |
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committer | Alan Modra <amodra@gmail.com> | 2016-12-22 00:19:47 +1030 |
commit | 58a6d3c9d8d4d4be8f1dfc1a49fed264dceddaba (patch) | |
tree | a3770cd80918701a536178b68fa33e91563e9d86 | |
parent | 9ef7906f20e81faa4498761002e6376f4d35c865 (diff) | |
download | binutils-gdb-58a6d3c9d8d4d4be8f1dfc1a49fed264dceddaba.tar.gz |
Avoid creating symbol table entries for registers
Instructions like "jal t0, foo" were erroneously creating symbol table
entries for t0 as well as foo, which causes linking problems. Fix by
reordering instruction alternatives so that t0 is first attempted to
be parsed as a register, rather than as a symbol.
* riscv-opc.c (riscv_opcodes): Reorder jal and call entries.
-rw-r--r-- | opcodes/ChangeLog | 4 | ||||
-rw-r--r-- | opcodes/riscv-opc.c | 4 |
2 files changed, 6 insertions, 2 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index d009f233c36..128bb2320fe 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,7 @@ +2016-12-21 Andrew Waterman <andrew@sifive.com> + + * riscv-opc.c (riscv_opcodes): Reorder jal and call entries. + 2016-12-20 Maciej W. Rozycki <macro@imgtec.com> * mips-dis.c (mips_arch_choices): Use ISA_MIPS64 rather than diff --git a/opcodes/riscv-opc.c b/opcodes/riscv-opc.c index 3c732fdfccc..464078d7118 100644 --- a/opcodes/riscv-opc.c +++ b/opcodes/riscv-opc.c @@ -143,11 +143,11 @@ const struct riscv_opcode riscv_opcodes[] = {"jalr", "I", "d,s,j", MATCH_JALR, MASK_JALR, match_opcode, 0 }, {"j", "C", "Ca", MATCH_C_J, MASK_C_J, match_opcode, INSN_ALIAS }, {"j", "I", "a", MATCH_JAL, MASK_JAL | MASK_RD, match_opcode, INSN_ALIAS }, +{"jal", "I", "d,a", MATCH_JAL, MASK_JAL, match_opcode, 0 }, {"jal", "32C", "Ca", MATCH_C_JAL, MASK_C_JAL, match_opcode, INSN_ALIAS }, {"jal", "I", "a", MATCH_JAL | (X_RA << OP_SH_RD), MASK_JAL | MASK_RD, match_opcode, INSN_ALIAS }, -{"jal", "I", "d,a", MATCH_JAL, MASK_JAL, match_opcode, 0 }, -{"call", "I", "c", (X_T1 << OP_SH_RS1) | (X_RA << OP_SH_RD), (int) M_CALL, match_never, INSN_MACRO }, {"call", "I", "d,c", (X_T1 << OP_SH_RS1), (int) M_CALL, match_never, INSN_MACRO }, +{"call", "I", "c", (X_T1 << OP_SH_RS1) | (X_RA << OP_SH_RD), (int) M_CALL, match_never, INSN_MACRO }, {"tail", "I", "c", (X_T1 << OP_SH_RS1), (int) M_CALL, match_never, INSN_MACRO }, {"jump", "I", "c,s", 0, (int) M_CALL, match_never, INSN_MACRO }, {"nop", "C", "", MATCH_C_ADDI, 0xffff, match_opcode, INSN_ALIAS }, |