diff mbox series

[v2,02/12] LoongArch: Change DWARF2_CIE_DATA_ALIGNMENT to -4 for loongarch32

Message ID 20251202111745.1558349-3-mengqinggang@loongson.cn
State New
Headers
Series Add support for LoongArch32 |

Commit Message

mengqinggang Dec. 2, 2025, 11:17 a.m. UTC 
  From: Jiajie Chen <c@jia.je>

---
 gas/config/tc-loongarch.c | 5 +++++
 gas/config/tc-loongarch.h | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/gas/config/tc-loongarch.c b/gas/config/tc-loongarch.c
index b006c6e6451..dc03956d792 100644
--- a/gas/config/tc-loongarch.c
+++ b/gas/config/tc-loongarch.c
@@ -118,6 +118,9 @@  static const char default_arch[] = DEFAULT_ARCH;
 
 static bool call36 = 0;
 
+/* The dwarf2 data alignment, adjusted for 32 or 64 bit.  */
+int loongarch_cie_data_alignment;
+
 /* The lowest 4-bit is the bytes of instructions.  */
 #define RELAX_BRANCH_16 0xc0000014
 #define RELAX_BRANCH_21 0xc0000024
@@ -515,6 +518,8 @@  md_begin ()
   /* FIXME: expressionS use 'offsetT' as constant,
    * we want this is 64-bit type.  */
   assert (8 <= sizeof (offsetT));
+
+  loongarch_cie_data_alignment = LARCH_opts.ase_lp64 ? (-8) : (-4);
 }
 
 /* Called just before the assembler exits.  */
diff --git a/gas/config/tc-loongarch.h b/gas/config/tc-loongarch.h
index 38ecd036d34..a2444aae0d1 100644
--- a/gas/config/tc-loongarch.h
+++ b/gas/config/tc-loongarch.h
@@ -108,7 +108,8 @@  extern bool loongarch_force_relocation_sub_same(struct fix *, asection *);
    FDE Code Alignment Factor (DWARF2_LINE_MIN_INSN_LENGTH) should be 1
    because DW_CFA_advance_loc need to be relocated in bytes
    when linker relaxation.  */
-#define DWARF2_CIE_DATA_ALIGNMENT     (-8)
+extern int loongarch_cie_data_alignment;
+#define DWARF2_CIE_DATA_ALIGNMENT loongarch_cie_data_alignment
 #define DWARF2_DEFAULT_RETURN_COLUMN  1	    /* FDE Return Address Register.  */
 
 #define tc_cfi_frame_initial_instructions	\