diff options
Diffstat (limited to 'toolchain/binutils/patches/2.32/0005-xtensa-gas-put-.literal_position-at-section-start.patch')
| -rw-r--r-- | toolchain/binutils/patches/2.32/0005-xtensa-gas-put-.literal_position-at-section-start.patch | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/toolchain/binutils/patches/2.32/0005-xtensa-gas-put-.literal_position-at-section-start.patch b/toolchain/binutils/patches/2.32/0005-xtensa-gas-put-.literal_position-at-section-start.patch new file mode 100644 index 000000000..b4bbc27b3 --- /dev/null +++ b/toolchain/binutils/patches/2.32/0005-xtensa-gas-put-.literal_position-at-section-start.patch @@ -0,0 +1,96 @@ +From 471702ac4a57878a06e8167f063274cf413e548d Mon Sep 17 00:00:00 2001 +From: Max Filippov <jcmvbkbc@gmail.com> +Date: Mon, 8 Apr 2019 13:47:18 -0700 +Subject: [PATCH] xtensa: gas: put .literal_position at section start + +Provide literal position at the beginning of each section for literal +space reserved by relaxations when text-section-literals or +auto-litpools options are used. Remove code that adds fill frag to the +literal section for every .literal_position directive to avoid creation +of empty literal sections. + +Fix auto-litpools tests that got literal pool address changes. + +gas/ +2019-04-11 Max Filippov <jcmvbkbc@gmail.com> + + * config/tc-xtensa.c (xtensa_is_init_fini): Add declaration. + (xtensa_mark_literal_pool_location): Don't add fill frag to literal + section that records literal pool location. + (md_begin): Call xtensa_mark_literal_pool_location when text + section literals or auto litpools are used. + (xtensa_elf_section_change_hook): Call + xtensa_mark_literal_pool_location when text section literals or + auto litpools are used, there's no literal pool location defined + for the current section and it's not .init or .fini. + +Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> +--- + gas/config/tc-xtensa.c | 22 +++++++++------------- + 1 file changed, 9 insertions(+), 13 deletions(-) + +diff --git a/gas/config/tc-xtensa.c b/gas/config/tc-xtensa.c +index 0cc06361cf6f..6a80e76fed8c 100644 +--- a/gas/config/tc-xtensa.c ++++ b/gas/config/tc-xtensa.c +@@ -497,6 +497,7 @@ static fixS *xg_append_jump (fragS *fragP, symbolS *sym, offsetT offset); + static void xtensa_maybe_create_literal_pool_frag (bfd_boolean, bfd_boolean); + static bfd_boolean auto_litpools = FALSE; + static int auto_litpool_limit = 0; ++static bfd_boolean xtensa_is_init_fini (segT seg); + + /* Alignment Functions. */ + +@@ -4797,7 +4798,6 @@ xtensa_mark_literal_pool_location (void) + { + /* Any labels pointing to the current location need + to be adjusted to after the literal pool. */ +- emit_state s; + fragS *pool_location; + + if (use_literal_section) +@@ -4818,19 +4818,7 @@ xtensa_mark_literal_pool_location (void) + RELAX_LITERAL_POOL_END, NULL, 0, NULL); + xtensa_set_frag_assembly_state (frag_now); + +- /* Now put a frag into the literal pool that points to this location. */ + set_literal_pool_location (now_seg, pool_location); +- xtensa_switch_to_non_abs_literal_fragment (&s); +- frag_align (2, 0, 0); +- record_alignment (now_seg, 2); +- +- /* Close whatever frag is there. */ +- frag_variant (rs_fill, 0, 0, 0, NULL, 0, NULL); +- xtensa_set_frag_assembly_state (frag_now); +- frag_now->tc_frag_data.literal_frag = pool_location; +- frag_variant (rs_fill, 0, 0, 0, NULL, 0, NULL); +- xtensa_restore_emit_state (&s); +- xtensa_set_frag_assembly_state (frag_now); + } + + +@@ -5334,6 +5322,9 @@ md_begin (void) + /* Set up the assembly state. */ + if (!frag_now->tc_frag_data.is_assembly_state_set) + xtensa_set_frag_assembly_state (frag_now); ++ ++ if (!use_literal_section) ++ xtensa_mark_literal_pool_location (); + } + + +@@ -5933,6 +5924,11 @@ xtensa_elf_section_change_hook (void) + /* Set up the assembly state. */ + if (!frag_now->tc_frag_data.is_assembly_state_set) + xtensa_set_frag_assembly_state (frag_now); ++ ++ if (!use_literal_section ++ && seg_info (now_seg)->tc_segment_info_data.literal_pool_loc == NULL ++ && !xtensa_is_init_fini (now_seg)) ++ xtensa_mark_literal_pool_location (); + } + + +-- +2.11.0 + |