backends: Handle new RISC-V specific definitions

Handle PT_RISCV_ATTRIBUTES, SHT_RISCV_ATTRIBUTES, DT_RISCV_VARIANT_CC.

Signed-off-by: Andreas Schwab <schwab@suse.de>

diff --git a/backends/ChangeLog b/backends/ChangeLog
index 495cdde4f083818d7fb4c9f3e3ec64586d9ef619..5b0daffe4344f1eade30c0125c487d12b0e0f6d6 100644 (file)
--- a/backends/ChangeLog
+++ b/backends/ChangeLog
@@ -1,3 +1,12 @@
+2022-08-09  Andreas Schwab  <schwab@suse.de>
+
+       * riscv_init.c (riscv_init): HOOK segment_type_name,
+       section_type_name, dynamic_tag_name and dynamic_tag_check.
+       * riscv_symbol.c (riscv_segment_type_name): New function.
+       (riscv_section_type_name): Likewise.
+       (riscv_dynamic_tag_name): Likewise.
+       (riscv_dynamic_tag_check): Likewise.
+
 2022-06-01  Ulrich Drepper  <drepper@redhat.com>
 
        * Makefile.am (arm_SRCS): Add arm_machineflagname.c.

diff --git a/backends/riscv_init.c b/backends/riscv_init.c
index 141e0821718834fe004621613f2b6f9f10d918ad..f2d4608224f278c88d9edfa28fa413cab0e5b231 100644 (file)
--- a/backends/riscv_init.c
+++ b/backends/riscv_init.c
@@ -65,6 +65,10 @@ riscv_init (Elf *elf,
   HOOK (eh, check_special_symbol);
   HOOK (eh, machine_flag_check);
   HOOK (eh, set_initial_registers_tid);
+  HOOK (eh, segment_type_name);
+  HOOK (eh, section_type_name);
+  HOOK (eh, dynamic_tag_name);
+  HOOK (eh, dynamic_tag_check);
   if (eh->class == ELFCLASS64)
     eh->core_note = riscv64_core_note;
   else

diff --git a/backends/riscv_symbol.c b/backends/riscv_symbol.c
index c34b770206cef2288f7b12647dff124d81ddfc57..c149b8ba27cf5d7cb7bd695ca8fba8fe75b97d68 100644 (file)
--- a/backends/riscv_symbol.c
+++ b/backends/riscv_symbol.c
@@ -119,3 +119,48 @@ riscv_check_special_symbol (Elf *elf, const GElf_Sym *sym,
 
   return false;
 }
+
+const char *
+riscv_segment_type_name (int segment, char *buf __attribute__ ((unused)),
+                        size_t len __attribute__ ((unused)))
+{
+  switch (segment)
+    {
+    case PT_RISCV_ATTRIBUTES:
+      return "RISCV_ATTRIBUTES";
+    }
+  return NULL;
+}
+
+/* Return symbolic representation of section type.  */
+const char *
+riscv_section_type_name (int type,
+                        char *buf __attribute__ ((unused)),
+                        size_t len __attribute__ ((unused)))
+{
+  switch (type)
+    {
+    case SHT_RISCV_ATTRIBUTES:
+      return "RISCV_ATTRIBUTES";
+    }
+
+  return NULL;
+}
+
+const char *
+riscv_dynamic_tag_name (int64_t tag, char *buf __attribute__ ((unused)),
+                       size_t len __attribute__ ((unused)))
+{
+  switch (tag)
+    {
+    case DT_RISCV_VARIANT_CC:
+      return "RISCV_VARIANT_CC";
+    }
+  return NULL;
+}
+
+bool
+riscv_dynamic_tag_check (int64_t tag)
+{
+  return tag == DT_RISCV_VARIANT_CC;
+}