aboutsummaryrefslogtreecommitdiff
path: root/bfd/elfxx-riscv.c
diff options
context:
space:
mode:
Diffstat (limited to 'bfd/elfxx-riscv.c')
-rw-r--r--bfd/elfxx-riscv.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
index 69f3a43..24eafcd 100644
--- a/bfd/elfxx-riscv.c
+++ b/bfd/elfxx-riscv.c
@@ -1225,7 +1225,7 @@ riscv_parse_std_ext (riscv_parse_subset_t *rps,
while (p != NULL && *p != '\0')
{
- if (*p == 'x' || *p == 's' || *p == 'z')
+ if (*p == 'x' || *p == 's' || *p == 'h' || *p == 'z')
break;
if (*p == '_')
@@ -1281,6 +1281,7 @@ riscv_get_prefix_class (const char *arch)
switch (*arch)
{
case 's': return RV_ISA_CLASS_S;
+ case 'h': return RV_ISA_CLASS_H;
case 'x': return RV_ISA_CLASS_X;
case 'z': return RV_ISA_CLASS_Z;
default: return RV_ISA_CLASS_UNKNOWN;
@@ -1362,6 +1363,7 @@ riscv_parse_prefixed_ext (riscv_parse_subset_t *rps,
/* Check that the prefix extension is known.
For 'x', anything goes but it cannot simply be 'x'.
For 's', it must be known from a list and cannot simply be 's'.
+ For 'h', it must be known from a list and cannot simply be 'h'.
For 'z', it must be known from a list and cannot simply be 'z'. */
/* Check that the extension name is well-formed. */
@@ -1432,7 +1434,7 @@ riscv_parse_prefixed_ext (riscv_parse_subset_t *rps,
static const char * const riscv_std_z_ext_strtab[] =
{
- "zicsr", NULL
+ "zicsr", "zifencei", NULL
};
static const char * const riscv_std_s_ext_strtab[] =
@@ -1440,6 +1442,11 @@ static const char * const riscv_std_s_ext_strtab[] =
NULL
};
+static const char * const riscv_std_h_ext_strtab[] =
+{
+ NULL
+};
+
/* For the extension `ext`, search through the list of known extensions
`known_exts` for a match, and return TRUE if found. */
@@ -1486,12 +1493,22 @@ riscv_ext_s_valid_p (const char *arg)
return riscv_multi_letter_ext_valid_p (arg, riscv_std_s_ext_strtab);
}
+/* Predicator function for 'h' prefixed extensions.
+ Only known h-extensions are permitted. */
+
+static bfd_boolean
+riscv_ext_h_valid_p (const char *arg)
+{
+ return riscv_multi_letter_ext_valid_p (arg, riscv_std_h_ext_strtab);
+}
+
/* Parsing order of the prefixed extensions that is specified by
the ISA spec. */
static const riscv_parse_config_t parse_config[] =
{
{RV_ISA_CLASS_S, "s", riscv_ext_s_valid_p},
+ {RV_ISA_CLASS_H, "h", riscv_ext_h_valid_p},
{RV_ISA_CLASS_Z, "z", riscv_ext_z_valid_p},
{RV_ISA_CLASS_X, "x", riscv_ext_x_valid_p},
{RV_ISA_CLASS_UNKNOWN, NULL, NULL}