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Diffstat (limited to 'bfd/elfxx-riscv.c')
-rw-r--r--bfd/elfxx-riscv.c285
1 files changed, 166 insertions, 119 deletions
diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
index b15fdee..5dd36ab 100644
--- a/bfd/elfxx-riscv.c
+++ b/bfd/elfxx-riscv.c
@@ -1025,9 +1025,8 @@ riscv_elf_add_sub_reloc (bfd *abfd,
`minor_version`: Parsing result of minor version, set to 0 if version is
not present in arch string, but set to `default_minor_version` if
`major_version` using default_major_version.
- `default_major_version`: Default major version.
- `default_minor_version`: Default minor version.
- `std_ext_p`: True if parsing std extension. */
+ `std_ext_p`: True if parsing std extension.
+ `use_default_version`: Set it to True if we need the default version. */
static const char *
riscv_parsing_subset_version (riscv_parse_subset_t *rps,
@@ -1035,17 +1034,16 @@ riscv_parsing_subset_version (riscv_parse_subset_t *rps,
const char *p,
unsigned *major_version,
unsigned *minor_version,
- unsigned default_major_version,
- unsigned default_minor_version,
- bfd_boolean std_ext_p)
+ bfd_boolean std_ext_p,
+ bfd_boolean *use_default_version)
{
bfd_boolean major_p = TRUE;
unsigned version = 0;
- unsigned major = 0;
- unsigned minor = 0;
char np;
- for (;*p; ++p)
+ *major_version = 0;
+ *minor_version = 0;
+ for (; *p; ++p)
{
if (*p == 'p')
{
@@ -1062,13 +1060,14 @@ riscv_parsing_subset_version (riscv_parse_subset_t *rps,
}
else
{
- rps->error_handler ("-march=%s: Expect number after `%dp'.",
- march, version);
+ rps->error_handler
+ (_("-march=%s: Expect number after `%dp'."),
+ march, version);
return NULL;
}
}
- major = version;
+ *major_version = version;
major_p = FALSE;
version = 0;
}
@@ -1079,21 +1078,15 @@ riscv_parsing_subset_version (riscv_parse_subset_t *rps,
}
if (major_p)
- major = version;
+ *major_version = version;
else
- minor = version;
+ *minor_version = version;
- if (major == 0 && minor == 0)
- {
- /* We don't found any version string, use default version. */
- *major_version = default_major_version;
- *minor_version = default_minor_version;
- }
- else
- {
- *major_version = major;
- *minor_version = minor;
- }
+ /* We can not find any version in string, need to parse default version. */
+ if (use_default_version != NULL
+ && *major_version == 0
+ && *minor_version == 0)
+ *use_default_version = TRUE;
return p;
}
@@ -1118,78 +1111,114 @@ riscv_supported_std_ext (void)
static const char *
riscv_parse_std_ext (riscv_parse_subset_t *rps,
- const char *march, const char *p)
+ const char *march,
+ const char *p)
{
const char *all_std_exts = riscv_supported_std_ext ();
const char *std_exts = all_std_exts;
-
unsigned major_version = 0;
unsigned minor_version = 0;
char std_ext = '\0';
+ bfd_boolean use_default_version = FALSE;
/* First letter must start with i, e or g. */
switch (*p)
{
case 'i':
- p++;
- p = riscv_parsing_subset_version (
- rps,
- march,
- p, &major_version, &minor_version,
- /* default_major_version= */ 2,
- /* default_minor_version= */ 0,
- /* std_ext_p= */TRUE);
- riscv_add_subset (rps->subset_list, "i", major_version, minor_version);
+ p = riscv_parsing_subset_version (rps,
+ march,
+ ++p,
+ &major_version,
+ &minor_version,
+ /* std_ext_p= */TRUE,
+ &use_default_version);
+
+ /* Find the default version if needed. */
+ if (use_default_version
+ && rps->get_default_version != NULL)
+ rps->get_default_version ("i",
+ &major_version,
+ &minor_version);
+ riscv_add_subset (rps->subset_list, "i",
+ major_version, minor_version);
break;
case 'e':
- p++;
- p = riscv_parsing_subset_version (
- rps,
- march,
- p, &major_version, &minor_version,
- /* default_major_version= */ 1,
- /* default_minor_version= */ 9,
- /* std_ext_p= */TRUE);
-
- riscv_add_subset (rps->subset_list, "e", major_version, minor_version);
- riscv_add_subset (rps->subset_list, "i", 2, 0);
+ p = riscv_parsing_subset_version (rps,
+ march,
+ ++p,
+ &major_version,
+ &minor_version,
+ /* std_ext_p= */TRUE,
+ &use_default_version);
+
+ /* Find the default version if needed. */
+ if (use_default_version
+ && rps->get_default_version != NULL)
+ rps->get_default_version ("e",
+ &major_version,
+ &minor_version);
+ riscv_add_subset (rps->subset_list, "e",
+ major_version, minor_version);
+
+ /* i-ext must be enabled. */
+ if (rps->get_default_version != NULL)
+ rps->get_default_version ("i",
+ &major_version,
+ &minor_version);
+ riscv_add_subset (rps->subset_list, "i",
+ major_version, minor_version);
if (*rps->xlen > 32)
{
- rps->error_handler ("-march=%s: rv%de is not a valid base ISA",
- march, *rps->xlen);
+ rps->error_handler
+ (_("-march=%s: rv%de is not a valid base ISA"),
+ march, *rps->xlen);
return NULL;
}
-
break;
case 'g':
- p++;
- p = riscv_parsing_subset_version (
- rps,
- march,
- p, &major_version, &minor_version,
- /* default_major_version= */ 2,
- /* default_minor_version= */ 0,
- /* std_ext_p= */TRUE);
- riscv_add_subset (rps->subset_list, "i", major_version, minor_version);
+ /* The g-ext shouldn't has the version, so we just
+ skip the setting if user set a version to it. */
+ p = riscv_parsing_subset_version (rps,
+ march,
+ ++p,
+ &major_version,
+ &minor_version,
+ TRUE,
+ &use_default_version);
+
+ /* i-ext must be enabled. */
+ if (rps->get_default_version != NULL)
+ rps->get_default_version ("i",
+ &major_version,
+ &minor_version);
+ riscv_add_subset (rps->subset_list, "i",
+ major_version, minor_version);
for ( ; *std_exts != 'q'; std_exts++)
{
const char subset[] = {*std_exts, '\0'};
- riscv_add_subset (
- rps->subset_list, subset, major_version, minor_version);
+
+ if (rps->get_default_version != NULL)
+ rps->get_default_version (subset,
+ &major_version,
+ &minor_version);
+ riscv_add_subset (rps->subset_list, subset,
+ major_version, minor_version);
}
break;
default:
- rps->error_handler (
- "-march=%s: first ISA subset must be `e', `i' or `g'", march);
+ rps->error_handler
+ (_("-march=%s: first ISA subset must be `e', `i' or `g'"), march);
return NULL;
}
- while (*p)
+ /* The riscv_parsing_subset_version may set `p` to NULL, so I think we should
+ skip parsing the string if `p` is NULL or value of `p` is `\0`. */
+ while (p != NULL && *p != '\0')
{
char subset[2] = {0, 0};
@@ -1210,29 +1239,35 @@ riscv_parse_std_ext (riscv_parse_subset_t *rps,
if (std_ext != *std_exts)
{
if (strchr (all_std_exts, std_ext) == NULL)
- rps->error_handler (
- "-march=%s: unsupported ISA subset `%c'", march, *p);
+ rps->error_handler
+ (_("-march=%s: unsupported ISA subset `%c'"), march, *p);
else
- rps->error_handler (
- "-march=%s: ISA string is not in canonical order. `%c'",
- march, *p);
+ rps->error_handler
+ (_("-march=%s: ISA string is not in canonical order. `%c'"),
+ march, *p);
return NULL;
}
std_exts++;
- p++;
- p = riscv_parsing_subset_version (
- rps,
- march,
- p, &major_version, &minor_version,
- /* default_major_version= */ 2,
- /* default_minor_version= */ 0,
- /* std_ext_p= */TRUE);
-
+ use_default_version = FALSE;
subset[0] = std_ext;
-
- riscv_add_subset (rps->subset_list, subset, major_version, minor_version);
+ p = riscv_parsing_subset_version (rps,
+ march,
+ ++p,
+ &major_version,
+ &minor_version,
+ TRUE,
+ &use_default_version);
+
+ /* Find the default version if needed. */
+ if (use_default_version
+ && rps->get_default_version != NULL)
+ rps->get_default_version (subset,
+ &major_version,
+ &minor_version);
+ riscv_add_subset (rps->subset_list, subset,
+ major_version, minor_version);
}
return p;
}
@@ -1272,9 +1307,10 @@ typedef struct riscv_parse_config
} riscv_parse_config_t;
/* Parse a generic prefixed extension.
- march: The full architecture string as passed in by "-march=...".
- p: Point from which to start parsing the -march string.
- config: What class of extensions to parse, predicate funcs,
+ `rps`: Hooks and status for parsing subset.
+ `march`: The full architecture string as passed in by "-march=...".
+ `p`: Point from which to start parsing the -march string.
+ `config`: What class of extensions to parse, predicate funcs,
and strings to use in error reporting. */
static const char *
@@ -1287,6 +1323,7 @@ riscv_parse_prefixed_ext (riscv_parse_subset_t *rps,
unsigned minor_version = 0;
const char *last_name;
riscv_isa_ext_class_t class;
+ bfd_boolean use_default_version;
while (*p)
{
@@ -1309,15 +1346,11 @@ riscv_parse_prefixed_ext (riscv_parse_subset_t *rps,
while (*++q != '\0' && *q != '_' && !ISDIGIT (*q))
;
+ use_default_version = FALSE;
end_of_version =
- riscv_parsing_subset_version (
- rps,
- march,
- q, &major_version, &minor_version,
- /* default_major_version= */ 2,
- /* default_minor_version= */ 0,
- /* std_ext_p= */FALSE);
-
+ riscv_parsing_subset_version (rps, march, q, &major_version,
+ &minor_version, FALSE,
+ &use_default_version);
*q = '\0';
/* Check that the name is valid.
@@ -1329,7 +1362,7 @@ riscv_parse_prefixed_ext (riscv_parse_subset_t *rps,
if (!config->ext_valid_p (subset))
{
rps->error_handler
- ("-march=%s: Invalid or unknown %s ISA extension: '%s'",
+ (_("-march=%s: Invalid or unknown %s ISA extension: '%s'"),
march, config->prefix, subset);
free (subset);
return NULL;
@@ -1337,11 +1370,11 @@ riscv_parse_prefixed_ext (riscv_parse_subset_t *rps,
/* Check that the last item is not the same as this. */
last_name = rps->subset_list->tail->name;
-
if (!strcasecmp (last_name, subset))
{
- rps->error_handler ("-march=%s: Duplicate %s ISA extension: \'%s\'",
- march, config->prefix, subset);
+ rps->error_handler
+ (_("-march=%s: Duplicate %s ISA extension: \'%s\'"),
+ march, config->prefix, subset);
free (subset);
return NULL;
}
@@ -1350,20 +1383,29 @@ riscv_parse_prefixed_ext (riscv_parse_subset_t *rps,
if (!strncasecmp (last_name, config->prefix, 1)
&& strcasecmp (last_name, subset) > 0)
{
- rps->error_handler ("-march=%s: %s ISA extension not in alphabetical "
- "order: \'%s\' must come before \'%s\'.",
- march, config->prefix, subset, last_name);
+ rps->error_handler
+ (_("\
+-march=%s: %s ISA extension not in alphabetical order: \'%s\' must come before \'%s\'."),
+ march, config->prefix, subset, last_name);
free (subset);
return NULL;
}
- riscv_add_subset (rps->subset_list, subset, major_version, minor_version);
+ /* Find the default version if needed. */
+ if (use_default_version
+ && rps->get_default_version != NULL)
+ rps->get_default_version (subset,
+ &major_version,
+ &minor_version);
+ riscv_add_subset (rps->subset_list, subset,
+ major_version, minor_version);
+
free (subset);
p += end_of_version - subset;
if (*p != '\0' && *p != '_')
{
- rps->error_handler ("-march=%s: %s must separate with _",
+ rps->error_handler (_("-march=%s: %s must separate with _"),
march, config->prefix);
return NULL;
}
@@ -1384,7 +1426,7 @@ riscv_parse_prefixed_ext (riscv_parse_subset_t *rps,
static const char * const riscv_std_z_ext_strtab[] =
{
- NULL
+ "zicsr", NULL
};
/* Same as `riscv_std_z_ext_strtab', but for S-class extensions. */
@@ -1478,8 +1520,9 @@ riscv_parse_subset (riscv_parse_subset_t *rps,
}
else
{
- rps->error_handler ("-march=%s: ISA string must begin with rv32 or rv64",
- arch);
+ rps->error_handler
+ (_("-march=%s: ISA string must begin with rv32 or rv64"),
+ arch);
return FALSE;
}
@@ -1490,7 +1533,6 @@ riscv_parse_subset (riscv_parse_subset_t *rps,
return FALSE;
/* Parse the different classes of extensions in the specified order. */
-
for (i = 0; i < ARRAY_SIZE (parse_config); ++i) {
p = riscv_parse_prefixed_ext (rps, arch, p, &parse_config[i]);
@@ -1500,7 +1542,7 @@ riscv_parse_subset (riscv_parse_subset_t *rps,
if (*p != '\0')
{
- rps->error_handler ("-march=%s: unexpected ISA string at end: %s",
+ rps->error_handler (_("-march=%s: unexpected ISA string at end: %s"),
arch, p);
return FALSE;
}
@@ -1508,31 +1550,35 @@ riscv_parse_subset (riscv_parse_subset_t *rps,
if (riscv_lookup_subset (rps->subset_list, "e")
&& riscv_lookup_subset (rps->subset_list, "f"))
{
- rps->error_handler ("-march=%s: rv32e does not support the `f' extension",
- arch);
+ rps->error_handler
+ (_("-march=%s: rv32e does not support the `f' extension"),
+ arch);
return FALSE;
}
if (riscv_lookup_subset (rps->subset_list, "d")
&& !riscv_lookup_subset (rps->subset_list, "f"))
{
- rps->error_handler ("-march=%s: `d' extension requires `f' extension",
- arch);
+ rps->error_handler
+ (_("-march=%s: `d' extension requires `f' extension"),
+ arch);
return FALSE;
}
if (riscv_lookup_subset (rps->subset_list, "q")
&& !riscv_lookup_subset (rps->subset_list, "d"))
{
- rps->error_handler ("-march=%s: `q' extension requires `d' extension",
- arch);
+ rps->error_handler
+ (_("-march=%s: `q' extension requires `d' extension"),
+ arch);
return FALSE;
}
if (riscv_lookup_subset (rps->subset_list, "q") && *rps->xlen < 64)
{
- rps->error_handler ("-march=%s: rv32 does not support the `q' extension",
- arch);
+ rps->error_handler
+ (_("-march=%s: rv32 does not support the `q' extension"),
+ arch);
return FALSE;
}
return TRUE;
@@ -1543,7 +1589,8 @@ riscv_parse_subset (riscv_parse_subset_t *rps,
void
riscv_add_subset (riscv_subset_list_t *subset_list,
const char *subset,
- int major, int minor)
+ int major,
+ int minor)
{
riscv_subset_t *s = xmalloc (sizeof *s);
@@ -1567,10 +1614,10 @@ riscv_subset_t *
riscv_lookup_subset (const riscv_subset_list_t *subset_list,
const char *subset)
{
- return riscv_lookup_subset_version (
- subset_list, subset,
- RISCV_DONT_CARE_VERSION,
- RISCV_DONT_CARE_VERSION);
+ return riscv_lookup_subset_version
+ (subset_list, subset,
+ RISCV_DONT_CARE_VERSION,
+ RISCV_DONT_CARE_VERSION);
}
/* Find subset in list with version checking, return NULL if not found. */
@@ -1617,7 +1664,7 @@ riscv_release_subset_list (riscv_subset_list_t *subset_list)
/* Return the number of digits for the input. */
-static size_t
+size_t
riscv_estimate_digit (unsigned num)
{
size_t digit = 0;
generated by cgit v1.1 at 2025-01-29 23:49:17 +0000