Add basic support for RISC-V 64-bit EFI objects

This adds a new PEI target pei-riscv64-little.  Only objdump and objcopy
are supported.

bfd:
	* .gitignore: Add pe-riscv64igen.c.
	* Makefile.am (BFD64_BACKENDS): Add pei-riscv64.lo,
	pe-riscv64igen.lo.
	(BFD64_BACKENDS_CFILES): Add pei-riscv64.c.
	(BUILD_CFILES): Add pe-riscv64igen.c.
	(pe-riscv64igen.c): New rule.
	* Makefile.in: Regenerate.
	* bfd.c (bfd_get_sign_extend_vma): Add pei-riscv64-little.
	* coff-riscv64.c: New file.
	* coffcode.h (coff_set_arch_mach_hook, coff_set_flags)
	(coff_write_object_contents): Add riscv64 (riscv64_pei_vec)
	support.
	* config.bfd (targ_selvecs): Add riscv64_pei_vec to all riscv*
	targets.
	* configure.ac: Handle riscv64_pei_vec.
	* configure: Regenerate.
	* libpei.h (GET_OPTHDR_IMAGE_BASE, PUT_OPTHDR_IMAGE_BASE)
	(GET_OPTHDR_SIZE_OF_STACK_RESERVE)
	(PUT_OPTHDR_SIZE_OF_STACK_RESERVE)
	(GET_OPTHDR_SIZE_OF_STACK_COMMIT, PUT_OPTHDR_SIZE_OF_STACK_COMMIT)
	(GET_OPTHDR_SIZE_OF_HEAP_RESERVE, PUT_OPTHDR_SIZE_OF_HEAP_RESERVE)
	(GET_OPTHDR_SIZE_OF_HEAP_COMMIT, PUT_OPTHDR_SIZE_OF_HEAP_COMMIT)
	(GET_PDATA_ENTRY, _bfd_XX_bfd_copy_private_bfd_data_common)
	(_bfd_XX_bfd_copy_private_section_data)
	(_bfd_XX_get_symbol_info, _bfd_XX_only_swap_filehdr_out)
	(_bfd_XX_print_private_bfd_data_common)
	(_bfd_XXi_final_link_postscript, _bfd_XXi_only_swap_filehdr_out)
	(_bfd_XXi_swap_aouthdr_in, _bfd_XXi_swap_aouthdr_out)
	(_bfd_XXi_swap_aux_in, _bfd_XXi_swap_aux_out)
	(_bfd_XXi_swap_lineno_in, _bfd_XXi_swap_lineno_out)
	(_bfd_XXi_swap_scnhdr_out, _bfd_XXi_swap_sym_in)
	(_bfd_XXi_swap_sym_out, _bfd_XXi_swap_debugdir_in)
	(_bfd_XXi_swap_debugdir_out, _bfd_XXi_write_codeview_record)
	(_bfd_XXi_slurp_codeview_record) [COFF_WITH_peRiscV64]: Define.
	(_bfd_peRiscV64_print_ce_compressed_pdata): Declare.
	* peXXigen.c (_bfd_XXi_swap_aouthdr_in, _bfd_XXi_swap_aouthdr_out)
	(_bfd_XXi_swap_scnhdr_out, pe_print_pdata)
	(_bfd_XX_print_private_bfd_data_common)
	(_bfd_XX_bfd_copy_private_section_data)
	(_bfd_XXi_final_link_postscript): Support COFF_WITH_peRiscV64.
	* pei-riscv64.c: New file.
	* peicode.h (coff_swap_scnhdr_in, pe_ILF_build_a_bfd)
	(pe_ILF_object_p): Support COFF_WITH_peRiscV64.
	(jtab): Add dummy entry that traps.
	* targets.c (_bfd_target_vector): Add riscv64_pei_vec.

binutils:
	* testsuite/binutils-all/riscv/pei-riscv64.d: New.
	* testsuite/binutils-all/riscv/pei-riscv64.s: New.

include:
	* coff/riscv64.h: New file.
	* coff/pe.h (IMAGE_FILE_MACHINE_RISCV32)
	(IMAGE_FILE_MACHINE_RISCV64): Define.

1 files changed, 23 insertions, 21 deletions

diff --git a/bfd/peXXigen.c b/bfd/peXXigen.c
index 641c259..6c8f498 100644
--- a/bfd/peXXigen.c
+++ b/bfd/peXXigen.c
@@ -61,8 +61,8 @@
    wasting too much time.  */
 
 /* This expands into COFF_WITH_pe, COFF_WITH_pep, COFF_WITH_pex64,
-   COFF_WITH_peAArch64 or COFF_WITH_peLoongArch64 depending on whether we're
-   compiling for straight PE or PE+.  */
+   COFF_WITH_peAArch64 or COFF_WITH_peLoongArch64 or COFF_WITH_peRiscV64
+   depending on whether we're compiling for straight PE or PE+.  */
 #define COFF_WITH_XX
 
 #include "sysdep.h"
@@ -88,6 +88,8 @@
 # include "coff/aarch64.h"
 #elif defined COFF_WITH_peLoongArch64
 # include "coff/loongarch64.h"
+#elif defined COFF_WITH_peRiscV64
+# include "coff/riscv64.h"
 #else
 # include "coff/i386.h"
 #endif
@@ -97,7 +99,7 @@
 #include "libpei.h"
 #include "safe-ctype.h"
 
-#if defined COFF_WITH_pep || defined COFF_WITH_pex64 || defined COFF_WITH_peAArch64 || defined COFF_WITH_peLoongArch64
+#if defined COFF_WITH_pep || defined COFF_WITH_pex64 || defined COFF_WITH_peAArch64 || defined COFF_WITH_peLoongArch64 || defined COFF_WITH_peRiscV64
 # undef AOUTSZ
 # define AOUTSZ		PEPAOUTSZ
 # define PEAOUTHDR	PEPAOUTHDR
@@ -464,7 +466,7 @@ _bfd_XXi_swap_aouthdr_in (bfd * abfd,
   aouthdr_int->text_start =
     GET_AOUTHDR_TEXT_START (abfd, aouthdr_ext->text_start);
 
-#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64)
+#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64) && !defined (COFF_WITH_peRiscV64)
   /* PE32+ does not have data_start member!  */
   aouthdr_int->data_start =
     GET_AOUTHDR_DATA_START (abfd, aouthdr_ext->data_start);
@@ -531,7 +533,7 @@ _bfd_XXi_swap_aouthdr_in (bfd * abfd,
   if (aouthdr_int->entry)
     {
       aouthdr_int->entry += a->ImageBase;
-#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64)
+#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64) && !defined (COFF_WITH_peRiscV64)
       aouthdr_int->entry &= 0xffffffff;
 #endif
     }
@@ -539,12 +541,12 @@ _bfd_XXi_swap_aouthdr_in (bfd * abfd,
   if (aouthdr_int->tsize)
     {
       aouthdr_int->text_start += a->ImageBase;
-#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64)
+#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64) && !defined (COFF_WITH_peRiscV64)
       aouthdr_int->text_start &= 0xffffffff;
 #endif
     }
 
-#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64)
+#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64) && !defined (COFF_WITH_peRiscV64)
   /* PE32+ does not have data_start member!  */
   if (aouthdr_int->dsize)
     {
@@ -604,7 +606,7 @@ _bfd_XXi_swap_aouthdr_out (bfd * abfd, void * in, void * out)
   if (aouthdr_in->tsize)
     {
       aouthdr_in->text_start -= ib;
-#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64)
+#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64) && !defined (COFF_WITH_peRiscV64)
       aouthdr_in->text_start &= 0xffffffff;
 #endif
     }
@@ -612,7 +614,7 @@ _bfd_XXi_swap_aouthdr_out (bfd * abfd, void * in, void * out)
   if (aouthdr_in->dsize)
     {
       aouthdr_in->data_start -= ib;
-#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64)
+#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64) && !defined (COFF_WITH_peRiscV64)
       aouthdr_in->data_start &= 0xffffffff;
 #endif
     }
@@ -620,7 +622,7 @@ _bfd_XXi_swap_aouthdr_out (bfd * abfd, void * in, void * out)
   if (aouthdr_in->entry)
     {
       aouthdr_in->entry -= ib;
-#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64)
+#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64) && !defined (COFF_WITH_peRiscV64)
       aouthdr_in->entry &= 0xffffffff;
 #endif
     }
@@ -734,7 +736,7 @@ _bfd_XXi_swap_aouthdr_out (bfd * abfd, void * in, void * out)
   PUT_AOUTHDR_TEXT_START (abfd, aouthdr_in->text_start,
 			  aouthdr_out->standard.text_start);
 
-#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64)
+#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64) && !defined (COFF_WITH_peRiscV64)
   /* PE32+ does not have data_start member!  */
   PUT_AOUTHDR_DATA_START (abfd, aouthdr_in->data_start,
 			  aouthdr_out->standard.data_start);
@@ -922,7 +924,7 @@ _bfd_XXi_swap_scnhdr_out (bfd * abfd, void * in, void * out)
     _bfd_error_handler (_("%pB:%.8s: section below image base"),
                         abfd, scnhdr_int->s_name);
   /* Do not compare lower 32-bits for 64-bit vma.  */
-#if !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64)
+#if !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64) && !defined (COFF_WITH_peRiscV64)
   else if(ss != (ss & 0xffffffff))
     _bfd_error_handler (_("%pB:%.8s: RVA truncated"), abfd, scnhdr_int->s_name);
   PUT_SCNHDR_VADDR (abfd, ss & 0xffffffff, scnhdr_ext->s_vaddr);
@@ -1823,7 +1825,7 @@ pe_print_edata (bfd * abfd, void * vfile)
 static bool
 pe_print_pdata (bfd * abfd, void * vfile)
 {
-#if defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64)
+#if defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64) && !defined (COFF_WITH_peRiscV64)
 # define PDATA_ROW_SIZE	(3 * 8)
 #else
 # define PDATA_ROW_SIZE	(5 * 4)
@@ -1851,7 +1853,7 @@ pe_print_pdata (bfd * abfd, void * vfile)
 
   fprintf (file,
 	   _("\nThe Function Table (interpreted .pdata section contents)\n"));
-#if defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64)
+#if defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64) && !defined (COFF_WITH_peRiscV64)
   fprintf (file,
 	   _(" vma:\t\t\tBegin Address    End Address      Unwind Info\n"));
 #else
@@ -1888,7 +1890,7 @@ pe_print_pdata (bfd * abfd, void * vfile)
       bfd_vma eh_handler;
       bfd_vma eh_data;
       bfd_vma prolog_end_addr;
-#if !defined(COFF_WITH_pep) || defined(COFF_WITH_pex64) || defined(COFF_WITH_peAArch64) || defined(COFF_WITH_peLoongArch64)
+#if !defined(COFF_WITH_pep) || defined(COFF_WITH_pex64) || defined(COFF_WITH_peAArch64) || defined(COFF_WITH_peLoongArch64) || defined (COFF_WITH_peRiscV64)
       int em_data;
 #endif
 
@@ -1906,7 +1908,7 @@ pe_print_pdata (bfd * abfd, void * vfile)
 	/* We are probably into the padding of the section now.  */
 	break;
 
-#if !defined(COFF_WITH_pep) || defined(COFF_WITH_pex64) || defined(COFF_WITH_peAArch64) || defined(COFF_WITH_peLoongArch64)
+#if !defined(COFF_WITH_pep) || defined(COFF_WITH_pex64) || defined(COFF_WITH_peAArch64) || defined(COFF_WITH_peLoongArch64) || defined (COFF_WITH_peRiscV64)
       em_data = ((eh_handler & 0x1) << 2) | (prolog_end_addr & 0x3);
 #endif
       eh_handler &= ~(bfd_vma) 0x3;
@@ -1917,7 +1919,7 @@ pe_print_pdata (bfd * abfd, void * vfile)
       bfd_fprintf_vma (abfd, file, begin_addr); fputc (' ', file);
       bfd_fprintf_vma (abfd, file, end_addr); fputc (' ', file);
       bfd_fprintf_vma (abfd, file, eh_handler);
-#if !defined(COFF_WITH_pep) || defined(COFF_WITH_pex64) || defined(COFF_WITH_peAArch64) || defined(COFF_WITH_peLoongArch64)
+#if !defined(COFF_WITH_pep) || defined(COFF_WITH_pex64) || defined(COFF_WITH_peAArch64) || defined(COFF_WITH_peLoongArch64) || defined (COFF_WITH_peRiscV64)
       fputc (' ', file);
       bfd_fprintf_vma (abfd, file, eh_data); fputc (' ', file);
       bfd_fprintf_vma (abfd, file, prolog_end_addr);
@@ -2816,7 +2818,7 @@ _bfd_XX_print_private_bfd_data_common (bfd * abfd, void * vfile)
   bfd_fprintf_vma (abfd, file, i->AddressOfEntryPoint);
   fprintf (file, "\nBaseOfCode\t\t");
   bfd_fprintf_vma (abfd, file, i->BaseOfCode);
-#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64)
+#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64) && !defined (COFF_WITH_peRiscV64)
   /* PE32+ does not have BaseOfData member!  */
   fprintf (file, "\nBaseOfData\t\t");
   bfd_fprintf_vma (abfd, file, i->BaseOfData);
@@ -3132,7 +3134,7 @@ _bfd_XX_get_symbol_info (bfd * abfd, asymbol *symbol, symbol_info *ret)
   coff_get_symbol_info (abfd, symbol, ret);
 }
 
-#if !defined(COFF_WITH_pep) && (defined(COFF_WITH_pex64) || defined(COFF_WITH_peAArch64) || defined(COFF_WITH_peLoongArch64))
+#if !defined(COFF_WITH_pep) && (defined(COFF_WITH_pex64) || defined(COFF_WITH_peAArch64) || defined(COFF_WITH_peLoongArch64) || defined (COFF_WITH_peRiscV64))
 static int
 sort_x64_pdata (const void *l, const void *r)
 {
@@ -4548,7 +4550,7 @@ _bfd_XXi_final_link_postscript (bfd * abfd, struct coff_final_link_info *pfinfo)
 	the TLS data directory consists of 4 pointers, followed
 	by two 4-byte integer. This implies that the total size
 	is different for 32-bit and 64-bit executables.  */
-#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64)
+#if !defined(COFF_WITH_pep) && !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64) && !defined (COFF_WITH_peRiscV64)
       pe_data (abfd)->pe_opthdr.DataDirectory[PE_TLS_TABLE].Size = 0x18;
 #else
       pe_data (abfd)->pe_opthdr.DataDirectory[PE_TLS_TABLE].Size = 0x28;
@@ -4557,7 +4559,7 @@ _bfd_XXi_final_link_postscript (bfd * abfd, struct coff_final_link_info *pfinfo)
 
 /* If there is a .pdata section and we have linked pdata finally, we
      need to sort the entries ascending.  */
-#if !defined(COFF_WITH_pep) && (defined(COFF_WITH_pex64) || defined(COFF_WITH_peAArch64) || defined(COFF_WITH_peLoongArch64))
+#if !defined(COFF_WITH_pep) && (defined(COFF_WITH_pex64) || defined(COFF_WITH_peAArch64) || defined(COFF_WITH_peLoongArch64) || defined (COFF_WITH_peRiscV64))
   {
     asection *sec = bfd_get_section_by_name (abfd, ".pdata");