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[binutils-gdb] binutils/riscv: Register names in DWARF output
- From: Andrew Burgess <aburgess at sourceware dot org>
- To: bfd-cvs at sourceware dot org
- Date: 2 Feb 2018 18:52:01 -0000
- Subject: [binutils-gdb] binutils/riscv: Register names in DWARF output
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=5bb0830d10b19230f9615694fa3c1230b32794b9
commit 5bb0830d10b19230f9615694fa3c1230b32794b9
Author: Andrew Burgess <andrew.burgess@embecosm.com>
Date: Fri Feb 2 15:25:31 2018 +0000
binutils/riscv: Register names in DWARF output
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.
Diff:
---
binutils/ChangeLog | 10 ++++++++++
binutils/dwarf.c | 25 +++++++++++++++++++++++++
binutils/dwarf.h | 1 +
binutils/objdump.c | 4 ++++
4 files changed, 40 insertions(+)
diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 5f47273..80b4acc 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,13 @@
+2018-02-02 Andrew Burgess <andrew.burgess@embecosm.com>
+
+ * 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.
+
2018-02-01 Alan Modra <amodra@gmail.com>
PR 22769
diff --git a/binutils/dwarf.c b/binutils/dwarf.c
index 6dee8aa..71fdf39 100644
--- a/binutils/dwarf.c
+++ b/binutils/dwarf.c
@@ -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;
}
diff --git a/binutils/dwarf.h b/binutils/dwarf.h
index 7f7c79d..34c2f5f 100644
--- a/binutils/dwarf.h
+++ b/binutils/dwarf.h
@@ -221,6 +221,7 @@ extern void init_dwarf_regnames_iamcu (void);
extern void init_dwarf_regnames_x86_64 (void);
extern void init_dwarf_regnames_aarch64 (void);
extern void init_dwarf_regnames_s390 (void);
+extern void init_dwarf_regnames_riscv (void);
extern bfd_boolean load_debug_section (enum dwarf_section_display_enum, void *);
extern void free_debug_section (enum dwarf_section_display_enum);
diff --git a/binutils/objdump.c b/binutils/objdump.c
index d8dca90..37a9f0d 100644
--- a/binutils/objdump.c
+++ b/binutils/objdump.c
@@ -2732,6 +2732,10 @@ dump_dwarf (bfd *abfd)
init_dwarf_regnames_s390 ();
break;
+ case bfd_arch_riscv:
+ init_dwarf_regnames_riscv ();
+ break;
+
default:
break;
}