From 78058a5e4f09f6ed49039d6014b1266e229e1f49 Mon Sep 17 00:00:00 2001 From: Sandra Loosemore Date: Thu, 30 Jan 2014 17:47:07 -0800 Subject: Nios II CALL26 linker relaxation 2014-01-30 Sandra Loosemore bfd/ * bfd-in2.h: Update from reloc.c. * elf32-nios2.c: Include elf32-nios2.h. (elf_nios2_howto_table_rel): Add entry for R_NIOS2_CALL26_NOAT. (nios2_reloc_map): Likewise. (enum elf32_nios2_stub_type): Declare. (struct elf32_nios2_stub_hash_entry): Declare. (nios2_stub_hash_entry, nios2_stub_hash_lookup): New macros. (struct elf32_nios2_link_hash_entry): Add hsh_cache field. (struct elf32_nios2_link_hash_table): Add new fields bstab, stub_bfd, add_stub_section, layout_sections_again, stub_group, bfd_count, top_index, input_list, all_local_syms. (nios2_call26_stub_entry): New. (nios2_elf32_install_imm16): Move up in file. (nios2_elf32_install_data): Move up in file. (hiadj): Move up in file. (stub_hash_newfunc): New. (link_hash_newfunc): Initialize hsh_cache field. (STUB_SUFFIX): New. (nios2_stub_name): New. (nios2_get_stub_entry): New. (nios2_add_stub): New. (nios2_elf32_setup_section_lists): New. (nios2_elf32_next_input_section): New. (CALL26_SEGMENT): New. (MAX_STUB_SECTION_SIZE): New. (group_sections): New. (nios2_type_of_stub): New. (nios2_build_one_stub): New. (nios2_size_one_stub): New. (get_local_syms): New. (nios2_elf32_size_stubs): New. (nios2_elf32_build_stubs): New. (nios2_elf32_do_call26_relocate): Correct CALL26 overflow test. (nios2_elf32_relocate_section): Handle R_NIOS2_CALL26_NOAT. Add trampolines for R_NIOS2_CALL26 stubs. (nios2_elf32_check_relocs): Handle R_NIOS2_CALL26_NOAT. (nios2_elf32_gc_sweep_hook): Likewise. (nios2_elf32_link_hash_table_create): Initialize the stub hash table. (nios2_elf32_link_hash_table_free): New. (bfd_elf32_bfd_link_hash_table_free): Define. * elf32-nios2.h: New file. * libbfd.h: Update from reloc.c. * reloc.c (BFD_RELOC_NIOS2_CALL26_NOAT): New. gas/ * config/tc-nios2.c (md_apply_fix): Handle BFD_RELOC_NIOS2_CALL26_NOAT. (nios2_assemble_args_m): Likewise. (md_assemble): Likewise. gas/testsuite/ * gas/nios2/call26_noat.d: New. * gas/nios2/call26_noat.s: New. * gas/nios2/call_noat.d: New. * gas/nios2/call_noat.s: New. include/elf/ * nios2.h (elf_nios2_reloc_type): Add R_NIOS2_CALL26_NOAT. ld/ * Makefile.am (enios2elf.c, enios2linux.c): Update dependencies. * Makefile.in: Regenerated. * emulparams/nios2elf.sh (EXTRA_EM_FILE): Set. * emulparams/nios2linux.sh (EXTRA_EM_FILE): Set. * emultempl/nios2elf.em: New file. * gen-doc.texi (NIOSII): Set. * ld.texinfo (NIOSII): Set. ld/testsuite/ * ld-nios2/relax_call26.s: New. * ld-nios2/relax_call26_boundary.ld: New. * ld-nios2/relax_call26_boundary.s: New. * ld-nios2/relax_call26_boundary_c8.d: New. * ld-nios2/relax_call26_boundary_cc.d: New. * ld-nios2/relax_call26_boundary_d0.d: New. * ld-nios2/relax_call26_boundary_d4.d: New. * ld-nios2/relax_call26_boundary_d8.d: New. * ld-nios2/relax_call26_boundary_dc.d: New. * ld-nios2/relax_call26_boundary_f0.d: New. * ld-nios2/relax_call26_boundary_f4.d: New. * ld-nios2/relax_call26_boundary_f8.d: New. * ld-nios2/relax_call26_boundary_fc.d: New. * ld-nios2/relax_call26_cache.d: New. * ld-nios2/relax_call26_cache.ld: New. * ld-nios2/relax_call26_cache.s: New. * ld-nios2/relax_call26_multi.d: New. * ld-nios2/relax_call26_multi.ld: New. * ld-nios2/relax_call26_norelax.d: New. * ld-nios2/relax_call26_shared.d: New. * ld-nios2/relax_call26_shared.ld: New. --- ld/testsuite/ChangeLog | 24 ++++++++++++++++ ld/testsuite/ld-nios2/relax_call26.s | 27 ++++++++++++++++++ ld/testsuite/ld-nios2/relax_call26_boundary.ld | 14 +++++++++ ld/testsuite/ld-nios2/relax_call26_boundary.s | 29 +++++++++++++++++++ ld/testsuite/ld-nios2/relax_call26_boundary_c8.d | 9 ++++++ ld/testsuite/ld-nios2/relax_call26_boundary_cc.d | 9 ++++++ ld/testsuite/ld-nios2/relax_call26_boundary_d0.d | 9 ++++++ ld/testsuite/ld-nios2/relax_call26_boundary_d4.d | 9 ++++++ ld/testsuite/ld-nios2/relax_call26_boundary_d8.d | 9 ++++++ ld/testsuite/ld-nios2/relax_call26_boundary_dc.d | 9 ++++++ ld/testsuite/ld-nios2/relax_call26_boundary_f0.d | 9 ++++++ ld/testsuite/ld-nios2/relax_call26_boundary_f4.d | 9 ++++++ ld/testsuite/ld-nios2/relax_call26_boundary_f8.d | 9 ++++++ ld/testsuite/ld-nios2/relax_call26_boundary_fc.d | 9 ++++++ ld/testsuite/ld-nios2/relax_call26_cache.d | 9 ++++++ ld/testsuite/ld-nios2/relax_call26_cache.ld | 13 +++++++++ ld/testsuite/ld-nios2/relax_call26_cache.s | 28 ++++++++++++++++++ ld/testsuite/ld-nios2/relax_call26_multi.d | 36 ++++++++++++++++++++++++ ld/testsuite/ld-nios2/relax_call26_multi.ld | 14 +++++++++ ld/testsuite/ld-nios2/relax_call26_norelax.d | 5 ++++ ld/testsuite/ld-nios2/relax_call26_shared.d | 31 ++++++++++++++++++++ ld/testsuite/ld-nios2/relax_call26_shared.ld | 13 +++++++++ 22 files changed, 333 insertions(+) create mode 100644 ld/testsuite/ld-nios2/relax_call26.s create mode 100644 ld/testsuite/ld-nios2/relax_call26_boundary.ld create mode 100644 ld/testsuite/ld-nios2/relax_call26_boundary.s create mode 100644 ld/testsuite/ld-nios2/relax_call26_boundary_c8.d create mode 100644 ld/testsuite/ld-nios2/relax_call26_boundary_cc.d create mode 100644 ld/testsuite/ld-nios2/relax_call26_boundary_d0.d create mode 100644 ld/testsuite/ld-nios2/relax_call26_boundary_d4.d create mode 100644 ld/testsuite/ld-nios2/relax_call26_boundary_d8.d create mode 100644 ld/testsuite/ld-nios2/relax_call26_boundary_dc.d create mode 100644 ld/testsuite/ld-nios2/relax_call26_boundary_f0.d create mode 100644 ld/testsuite/ld-nios2/relax_call26_boundary_f4.d create mode 100644 ld/testsuite/ld-nios2/relax_call26_boundary_f8.d create mode 100644 ld/testsuite/ld-nios2/relax_call26_boundary_fc.d create mode 100644 ld/testsuite/ld-nios2/relax_call26_cache.d create mode 100644 ld/testsuite/ld-nios2/relax_call26_cache.ld create mode 100644 ld/testsuite/ld-nios2/relax_call26_cache.s create mode 100644 ld/testsuite/ld-nios2/relax_call26_multi.d create mode 100644 ld/testsuite/ld-nios2/relax_call26_multi.ld create mode 100644 ld/testsuite/ld-nios2/relax_call26_norelax.d create mode 100644 ld/testsuite/ld-nios2/relax_call26_shared.d create mode 100644 ld/testsuite/ld-nios2/relax_call26_shared.ld (limited to 'ld/testsuite') diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog index 3cd1930..a46d25c 100644 --- a/ld/testsuite/ChangeLog +++ b/ld/testsuite/ChangeLog @@ -1,3 +1,27 @@ +2014-01-30 Sandra Loosemore + + * ld-nios2/relax_call26.s: New. + * ld-nios2/relax_call26_boundary.ld: New. + * ld-nios2/relax_call26_boundary.s: New. + * ld-nios2/relax_call26_boundary_c8.d: New. + * ld-nios2/relax_call26_boundary_cc.d: New. + * ld-nios2/relax_call26_boundary_d0.d: New. + * ld-nios2/relax_call26_boundary_d4.d: New. + * ld-nios2/relax_call26_boundary_d8.d: New. + * ld-nios2/relax_call26_boundary_dc.d: New. + * ld-nios2/relax_call26_boundary_f0.d: New. + * ld-nios2/relax_call26_boundary_f4.d: New. + * ld-nios2/relax_call26_boundary_f8.d: New. + * ld-nios2/relax_call26_boundary_fc.d: New. + * ld-nios2/relax_call26_cache.d: New. + * ld-nios2/relax_call26_cache.ld: New. + * ld-nios2/relax_call26_cache.s: New. + * ld-nios2/relax_call26_multi.d: New. + * ld-nios2/relax_call26_multi.ld: New. + * ld-nios2/relax_call26_norelax.d: New. + * ld-nios2/relax_call26_shared.d: New. + * ld-nios2/relax_call26_shared.ld: New. + 2014-01-29 H.J. Lu * ld-elf/rdynamic-1.c: New file. diff --git a/ld/testsuite/ld-nios2/relax_call26.s b/ld/testsuite/ld-nios2/relax_call26.s new file mode 100644 index 0000000..b3b28df --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26.s @@ -0,0 +1,27 @@ +# test for call26 relaxation via linker stubs + +.globl text0 +.section text0, "ax", @progbits + call func0 # in same section + call func1 # in nearby section + call func2a # in distant section + jmpi func2b # also in distant section + +func0: + ret + +.section text1, "ax", @progbits +func1: + nop + nop + call func2a # in distant section + ret + +.section text2, "ax", @progbits +func2a: + nop + nop + nop + ret +func2b: + nop diff --git a/ld/testsuite/ld-nios2/relax_call26_boundary.ld b/ld/testsuite/ld-nios2/relax_call26_boundary.ld new file mode 100644 index 0000000..313ef8c --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_boundary.ld @@ -0,0 +1,14 @@ +/* Simple script for testing call26 relaxation via linker stubs. + This script is used for a bunch of tests that vary the placement of + section text0 near a 256 memory segment boundary, by using + --section-start command-line options. */ + +OUTPUT_FORMAT("elf32-littlenios2", "elf32-littlenios2", "elf32-littlenios2") +OUTPUT_ARCH(nios2) +ENTRY(_start) +SECTIONS +{ + _start = .; + text0 : { *(text0) *(text1) } + text2 0x40000000 : { *(text2) } +} diff --git a/ld/testsuite/ld-nios2/relax_call26_boundary.s b/ld/testsuite/ld-nios2/relax_call26_boundary.s new file mode 100644 index 0000000..ce79ebd --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_boundary.s @@ -0,0 +1,29 @@ +# Test for call26 relaxation via linker stubs. +# This .s file is used with several different linker scripts that vary the +# placement of the sections in the output. +# Section text0 is 32 bytes long and requires at least 2 linker stubs +# (12 bytes each) to reach the call destinations in text2. Another stub +# may be required to reach func0 if the section is laid out so that it crosses +# a 256MB memory segment boundary. + +.globl text0 +.section text0, "ax", @progbits + call func0 # in same section + call func2a # in distant section + nop + nop + nop + nop + jmpi func2b # in distant section + +func0: + ret + +.section text2, "ax", @progbits +func2a: + nop + nop + nop + ret +func2b: + nop diff --git a/ld/testsuite/ld-nios2/relax_call26_boundary_c8.d b/ld/testsuite/ld-nios2/relax_call26_boundary_c8.d new file mode 100644 index 0000000..61fd858 --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_boundary_c8.d @@ -0,0 +1,9 @@ +#name: NIOS2 relax_call26_boundary_c8 +#ld: --relax -Trelax_call26_boundary.ld --section-start=text0=0x0fffffc8 +#source: relax_call26_boundary.s +#objdump: -dr --prefix-addresses +# Test relaxation of call26 relocations via linker stubs. We don't need to +# check the exact layout of stubs for this test, only verify that it +# links without "relocation truncated to fit" errors. + +#pass diff --git a/ld/testsuite/ld-nios2/relax_call26_boundary_cc.d b/ld/testsuite/ld-nios2/relax_call26_boundary_cc.d new file mode 100644 index 0000000..c3a571a --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_boundary_cc.d @@ -0,0 +1,9 @@ +#name: NIOS2 relax_call26_boundary_cc +#ld: --relax -Trelax_call26_boundary.ld --section-start=text0=0x0fffffcc +#source: relax_call26_boundary.s +#objdump: -dr --prefix-addresses +# Test relaxation of call26 relocations via linker stubs. We don't need to +# check the exact layout of stubs for this test, only verify that it +# links without "relocation truncated to fit" errors. + +#pass diff --git a/ld/testsuite/ld-nios2/relax_call26_boundary_d0.d b/ld/testsuite/ld-nios2/relax_call26_boundary_d0.d new file mode 100644 index 0000000..67f28ce --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_boundary_d0.d @@ -0,0 +1,9 @@ +#name: NIOS2 relax_call26_boundary_d0 +#ld: --relax -Trelax_call26_boundary.ld --section-start=text0=0x0fffffd0 +#source: relax_call26_boundary.s +#objdump: -dr --prefix-addresses +# Test relaxation of call26 relocations via linker stubs. We don't need to +# check the exact layout of stubs for this test, only verify that it +# links without "relocation truncated to fit" errors. + +#pass diff --git a/ld/testsuite/ld-nios2/relax_call26_boundary_d4.d b/ld/testsuite/ld-nios2/relax_call26_boundary_d4.d new file mode 100644 index 0000000..9ffdf0e --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_boundary_d4.d @@ -0,0 +1,9 @@ +#name: NIOS2 relax_call26_boundary_d4 +#ld: --relax -Trelax_call26_boundary.ld --section-start=text0=0x0fffffd4 +#source: relax_call26_boundary.s +#objdump: -dr --prefix-addresses +# Test relaxation of call26 relocations via linker stubs. We don't need to +# check the exact layout of stubs for this test, only verify that it +# links without "relocation truncated to fit" errors. + +#pass diff --git a/ld/testsuite/ld-nios2/relax_call26_boundary_d8.d b/ld/testsuite/ld-nios2/relax_call26_boundary_d8.d new file mode 100644 index 0000000..168d532 --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_boundary_d8.d @@ -0,0 +1,9 @@ +#name: NIOS2 relax_call26_boundary_d8 +#ld: --relax -Trelax_call26_boundary.ld --section-start=text0=0x0fffffd8 +#source: relax_call26_boundary.s +#objdump: -dr --prefix-addresses +# Test relaxation of call26 relocations via linker stubs. We don't need to +# check the exact layout of stubs for this test, only verify that it +# links without "relocation truncated to fit" errors. + +#pass diff --git a/ld/testsuite/ld-nios2/relax_call26_boundary_dc.d b/ld/testsuite/ld-nios2/relax_call26_boundary_dc.d new file mode 100644 index 0000000..539051e --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_boundary_dc.d @@ -0,0 +1,9 @@ +#name: NIOS2 relax_call26_boundary_dc +#ld: --relax -Trelax_call26_boundary.ld --section-start=text0=0x0fffffdc +#source: relax_call26_boundary.s +#objdump: -dr --prefix-addresses +# Test relaxation of call26 relocations via linker stubs. We don't need to +# check the exact layout of stubs for this test, only verify that it +# links without "relocation truncated to fit" errors. + +#pass diff --git a/ld/testsuite/ld-nios2/relax_call26_boundary_f0.d b/ld/testsuite/ld-nios2/relax_call26_boundary_f0.d new file mode 100644 index 0000000..fe83151 --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_boundary_f0.d @@ -0,0 +1,9 @@ +#name: NIOS2 relax_call26_boundary_f0 +#ld: --relax -Trelax_call26_boundary.ld --section-start=text0=0x0ffffff0 +#source: relax_call26_boundary.s +#objdump: -dr --prefix-addresses +# Test relaxation of call26 relocations via linker stubs. We don't need to +# check the exact layout of stubs for this test, only verify that it +# links without "relocation truncated to fit" errors. + +#pass diff --git a/ld/testsuite/ld-nios2/relax_call26_boundary_f4.d b/ld/testsuite/ld-nios2/relax_call26_boundary_f4.d new file mode 100644 index 0000000..4006ff2 --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_boundary_f4.d @@ -0,0 +1,9 @@ +#name: NIOS2 relax_call26_boundary_f4 +#ld: --relax -Trelax_call26_boundary.ld --section-start=text0=0x0ffffff4 +#source: relax_call26_boundary.s +#objdump: -dr --prefix-addresses +# Test relaxation of call26 relocations via linker stubs. We don't need to +# check the exact layout of stubs for this test, only verify that it +# links without "relocation truncated to fit" errors. + +#pass diff --git a/ld/testsuite/ld-nios2/relax_call26_boundary_f8.d b/ld/testsuite/ld-nios2/relax_call26_boundary_f8.d new file mode 100644 index 0000000..10eb654 --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_boundary_f8.d @@ -0,0 +1,9 @@ +#name: NIOS2 relax_call26_boundary_f8 +#ld: --relax -Trelax_call26_boundary.ld --section-start=text0=0x0ffffff8 +#source: relax_call26_boundary.s +#objdump: -dr --prefix-addresses +# Test relaxation of call26 relocations via linker stubs. We don't need to +# check the exact layout of stubs for this test, only verify that it +# links without "relocation truncated to fit" errors. + +#pass diff --git a/ld/testsuite/ld-nios2/relax_call26_boundary_fc.d b/ld/testsuite/ld-nios2/relax_call26_boundary_fc.d new file mode 100644 index 0000000..cf93b5a --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_boundary_fc.d @@ -0,0 +1,9 @@ +#name: NIOS2 relax_call26_boundary_fc +#ld: --relax -Trelax_call26_boundary.ld --section-start=text0=0x0ffffffc +#source: relax_call26_boundary.s +#objdump: -dr --prefix-addresses +# Test relaxation of call26 relocations via linker stubs. We don't need to +# check the exact layout of stubs for this test, only verify that it +# links without "relocation truncated to fit" errors. + +#pass diff --git a/ld/testsuite/ld-nios2/relax_call26_cache.d b/ld/testsuite/ld-nios2/relax_call26_cache.d new file mode 100644 index 0000000..43121c0 --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_cache.d @@ -0,0 +1,9 @@ +#name: NIOS2 relax_call26_cache +#ld: --relax -Trelax_call26_cache.ld +#source: relax_call26_cache.s +#objdump: -dr --prefix-addresses +# Test relaxation of call26 relocations via linker stubs. We don't need to +# check the exact layout of stubs for this test, only verify that it +# links without "relocation truncated to fit" errors. + +#pass diff --git a/ld/testsuite/ld-nios2/relax_call26_cache.ld b/ld/testsuite/ld-nios2/relax_call26_cache.ld new file mode 100644 index 0000000..d3c4307 --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_cache.ld @@ -0,0 +1,13 @@ +/* Simple script for testing call26 relaxation via linker stubs. + In this case, input sections text0 and text1 are placed in the + same output section in the same 256MB segment, so they can share stubs. */ + +OUTPUT_FORMAT("elf32-littlenios2", "elf32-littlenios2", "elf32-littlenios2") +OUTPUT_ARCH(nios2) +ENTRY(_start) +SECTIONS +{ + _start = .; + text0 0x0fffffe0 : { *(text0) *(text1) } + text2 0x40000000 : { *(text2) } +} diff --git a/ld/testsuite/ld-nios2/relax_call26_cache.s b/ld/testsuite/ld-nios2/relax_call26_cache.s new file mode 100644 index 0000000..3712853 --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_cache.s @@ -0,0 +1,28 @@ +# test for call26 relaxation via linker stubs +# +# The purpose of this test is to ensure that, when section text0 straddles +# a 256MB memory segment boundary with calls to the same function on either +# side, the stub caching doesn't get confused and incorrectly use a stub +# on the wrong side. + +.globl text0 +.section text0, "ax", @progbits + call func2a # in distant section + call func2a # in distant section + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + call func2a # in distant section + call func2a # in distant section + +.section text2, "ax", @progbits +.globl func2a +func2a: + ret diff --git a/ld/testsuite/ld-nios2/relax_call26_multi.d b/ld/testsuite/ld-nios2/relax_call26_multi.d new file mode 100644 index 0000000..28279ef --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_multi.d @@ -0,0 +1,36 @@ +#name: NIOS2 relax_call26_multi +#ld: --relax -Trelax_call26_multi.ld +#source: relax_call26.s +#objdump: -dr --prefix-addresses +# Test relaxation of call26 relocations via linker stubs + +.*: +file format elf32-littlenios2 + +Disassembly of section text0: +00000000 <_start> call 00000010 +00000004 <[^>]*> call 0000002c +00000008 <[^>]*> call 00000020 <[^>]*> +0000000c <[^>]*> jmpi 00000014 <[^>]*> +00000010 ret +00000014 <[^>]*> movhi at,16384 +00000018 <[^>]*> addi at,at,16 +0000001c <[^>]*> jmp at +00000020 <[^>]*> movhi at,16384 +00000024 <[^>]*> addi at,at,0 +00000028 <[^>]*> jmp at + +Disassembly of section text1: +0000002c nop +00000030 <[^>]*> nop +00000034 <[^>]*> call 0000003c <[^>]*> +00000038 <[^>]*> ret +0000003c <[^>]*> movhi at,16384 +00000040 <[^>]*> addi at,at,0 +00000044 <[^>]*> jmp at + +Disassembly of section text2: +40000000 nop +40000004 <[^>]*> nop +40000008 <[^>]*> nop +4000000c <[^>]*> ret +40000010 nop diff --git a/ld/testsuite/ld-nios2/relax_call26_multi.ld b/ld/testsuite/ld-nios2/relax_call26_multi.ld new file mode 100644 index 0000000..750f747 --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_multi.ld @@ -0,0 +1,14 @@ +/* Simple script for testing call26 relaxation via linker stubs. + In this case, input sections text0 and text1 cannot share stubs + because they are in different output sections. */ + +OUTPUT_FORMAT("elf32-littlenios2", "elf32-littlenios2", "elf32-littlenios2") +OUTPUT_ARCH(nios2) +ENTRY(_start) +SECTIONS +{ + _start = .; + text0 0 : { *(text0) } + text1 : { *(text1) } + text2 0x40000000 : { *(text2) } +} diff --git a/ld/testsuite/ld-nios2/relax_call26_norelax.d b/ld/testsuite/ld-nios2/relax_call26_norelax.d new file mode 100644 index 0000000..7c7371c --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_norelax.d @@ -0,0 +1,5 @@ +#name: NIOS2 relax_call26_norelax +#ld: --no-relax -Trelax_call26_multi.ld +#source: relax_call26.s +#error: .*relocation truncated to fit: R_NIOS2_CALL26.* +# Test relaxation of call26 relocations via linker stubs diff --git a/ld/testsuite/ld-nios2/relax_call26_shared.d b/ld/testsuite/ld-nios2/relax_call26_shared.d new file mode 100644 index 0000000..75ccbca --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_shared.d @@ -0,0 +1,31 @@ +#name: NIOS2 relax_call26_shared +#ld: --relax -Trelax_call26_shared.ld +#source: relax_call26.s +#objdump: -dr --prefix-addresses +# Test relaxation of call26 relocations via linker stubs + +.*: +file format elf32-littlenios2 + +Disassembly of section text0: +00000000 <_start> call 00000010 +00000004 <[^>]*> call 00000014 +00000008 <[^>]*> call 00000030 <[^>]*> +0000000c <[^>]*> jmpi 00000024 <[^>]*> +00000010 ret +00000014 nop +00000018 <[^>]*> nop +0000001c <[^>]*> call 00000030 <[^>]*> +00000020 <[^>]*> ret +00000024 <[^>]*> movhi at,16384 +00000028 <[^>]*> addi at,at,16 +0000002c <[^>]*> jmp at +00000030 <[^>]*> movhi at,16384 +00000034 <[^>]*> addi at,at,0 +00000038 <[^>]*> jmp at + +Disassembly of section text2: +40000000 nop +40000004 <[^>]*> nop +40000008 <[^>]*> nop +4000000c <[^>]*> ret +40000010 nop diff --git a/ld/testsuite/ld-nios2/relax_call26_shared.ld b/ld/testsuite/ld-nios2/relax_call26_shared.ld new file mode 100644 index 0000000..6e6fd44 --- /dev/null +++ b/ld/testsuite/ld-nios2/relax_call26_shared.ld @@ -0,0 +1,13 @@ +/* Simple script for testing call26 relaxation via linker stubs. + In this case, input sections text0 and text1 are placed in the + same output section in the same 256MB segment, so they can share stubs. */ + +OUTPUT_FORMAT("elf32-littlenios2", "elf32-littlenios2", "elf32-littlenios2") +OUTPUT_ARCH(nios2) +ENTRY(_start) +SECTIONS +{ + _start = .; + text0 0 : { *(text0) *(text1) } + text2 0x40000000 : { *(text2) } +} -- cgit v1.1