* [binutils-gdb] RISC-V: Add support for numbered ISA mapping strings
@ 2023-10-13 1:56 Nelson Chu
0 siblings, 0 replies; only message in thread
From: Nelson Chu @ 2023-10-13 1:56 UTC (permalink / raw)
To: bfd-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=9326300e4d3dbe943380b30766ed474d98df07ba
commit 9326300e4d3dbe943380b30766ed474d98df07ba
Author: Joseph Faulls <Joseph.Faulls@imgtec.com>
Date: Wed Sep 27 12:42:55 2023 +0000
RISC-V: Add support for numbered ISA mapping strings
The elf psabi allows for mapping symbols to be of the form $x<ISA>.<any>
opcodes/
* riscv-dis.c (riscv_get_map_state): allow mapping symbol to
be suffixed by a unique identifier .<any>
Diff:
---
opcodes/riscv-dis.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/opcodes/riscv-dis.c b/opcodes/riscv-dis.c
index c0fd0625a2d..216916e9426 100644
--- a/opcodes/riscv-dis.c
+++ b/opcodes/riscv-dis.c
@@ -869,7 +869,21 @@ riscv_get_map_state (int n,
{
*state = MAP_INSN;
riscv_release_subset_list (&riscv_subsets);
- riscv_parse_subset (&riscv_rps_dis, name + 2);
+
+ /* ISA mapping string may be numbered, suffixed with '.n'. Do not
+ consider this as part of the ISA string. */
+ char *suffix = strchr (name, '.');
+ if (suffix)
+ {
+ int suffix_index = (int)(suffix - name);
+ char *name_substr = xmalloc (suffix_index + 1);
+ strncpy (name_substr, name, suffix_index);
+ name_substr[suffix_index] = '\0';
+ riscv_parse_subset (&riscv_rps_dis, name_substr + 2);
+ free (name_substr);
+ }
+ else
+ riscv_parse_subset (&riscv_rps_dis, name + 2);
}
else
return false;
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