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binutils/riscv: Register names in DWARF output

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Adds a register name table for RiscV so that objdump and readelf can
both use better register names.

binutils/ChangeLog:

	* dwarf.c (dwarf_regnames_riscv): New register name table.
	(init_dwarf_regnames_riscv): New function.
	(init_dwarf_regnames): Add call to initialise RiscV register
	names.
	* dwarf.h (init_dwarf_regnames_riscv): Declare.
	* objdump.c (dump_dwarf): Add call to initialise RiscV register
	names.
This commit is contained in:
Andrew Burgess
2018-02-02 15:25:31 +00:00
parent e54d3c943b
commit 5bb0830d10
4 changed files with 40 additions and 0 deletions
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25
binutils/dwarf.c
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@@ -7065,6 +7065,27 @@ init_dwarf_regnames_s390 (void)
dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_s390);
}
static const char *const dwarf_regnames_riscv[] =
{
"zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", /* 0 - 7 */
"s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", /* 8 - 15 */
"a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", /* 16 - 23 */
"s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6", /* 24 - 31 */
"ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7", /* 32 - 39 */
"fs0", "fs1", /* 40 - 41 */
"fa0", "fa1", "fa2", "fa3", "fa4", "fa5", "fa6", "fa7", /* 42 - 49 */
"fs2", "fs3", "fs4", "fs5", "fs6", "fs7", "fs8", "fs9", /* 50 - 57 */
"fs10", "fs11", /* 58 - 59 */
"ft8", "ft9", "ft10", "ft11" /* 60 - 63 */
};
void
init_dwarf_regnames_riscv (void)
{
dwarf_regnames = dwarf_regnames_riscv;
dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_riscv);
}
void
init_dwarf_regnames (unsigned int e_machine)
{
@@ -7092,6 +7113,10 @@ init_dwarf_regnames (unsigned int e_machine)
init_dwarf_regnames_s390 ();
break;
case EM_RISCV:
init_dwarf_regnames_riscv ();
break;
default:
break;
}