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authorFangrui Song <i@maskray.me>2022-04-08 14:06:36 -0700
committerFangrui Song <i@maskray.me>2022-04-08 14:06:36 -0700
commita3a7f5e1586467b137b8dcdcd2f74f5efa9f3919 (patch)
treed1191266bf9f698ae50ecdb69d3581c482a8b0aa
parent9f184a64f51b00fd5c208c8528f6a553f5b27c1c (diff)
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gas: Port "copy st_size only if unset" to aarch64 and riscv
And disable the new test gas/elf/size.s for alpha which uses its own .set, for hppa*-*-hpux* which does not allow .size before declaration.
-rw-r--r--gas/config/tc-aarch64.c20
-rw-r--r--gas/config/tc-riscv.c21
-rw-r--r--gas/testsuite/gas/elf/size.d2
3 files changed, 22 insertions, 21 deletions
diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index cbebc6b..dee7d19 100644
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -10469,17 +10469,17 @@ aarch64_elf_copy_symbol_attributes (symbolS *dest, symbolS *src)
{
struct elf_obj_sy *srcelf = symbol_get_obj (src);
struct elf_obj_sy *destelf = symbol_get_obj (dest);
- if (srcelf->size)
+ /* If size is unset, copy size from src. Because we don't track whether
+ .size has been used, we can't differentiate .size dest, 0 from the case
+ where dest's size is unset. */
+ if (!destelf->size && S_GET_SIZE (dest) == 0)
{
- if (destelf->size == NULL)
- destelf->size = XNEW (expressionS);
- *destelf->size = *srcelf->size;
- }
- else
- {
- free (destelf->size);
- destelf->size = NULL;
+ if (srcelf->size)
+ {
+ destelf->size = XNEW (expressionS);
+ *destelf->size = *srcelf->size;
+ }
+ S_SET_SIZE (dest, S_GET_SIZE (src));
}
- S_SET_SIZE (dest, S_GET_SIZE (src));
}
#endif
diff --git a/gas/config/tc-riscv.c b/gas/config/tc-riscv.c
index bb5f6e4..fb3fc64 100644
--- a/gas/config/tc-riscv.c
+++ b/gas/config/tc-riscv.c
@@ -4540,19 +4540,18 @@ riscv_elf_copy_symbol_attributes (symbolS *dest, symbolS *src)
{
struct elf_obj_sy *srcelf = symbol_get_obj (src);
struct elf_obj_sy *destelf = symbol_get_obj (dest);
- if (srcelf->size)
+ /* If size is unset, copy size from src. Because we don't track whether
+ .size has been used, we can't differentiate .size dest, 0 from the case
+ where dest's size is unset. */
+ if (!destelf->size && S_GET_SIZE (dest) == 0)
{
- if (destelf->size == NULL)
- destelf->size = XNEW (expressionS);
- *destelf->size = *srcelf->size;
- }
- else
- {
- if (destelf->size != NULL)
- free (destelf->size);
- destelf->size = NULL;
+ if (srcelf->size)
+ {
+ destelf->size = XNEW (expressionS);
+ *destelf->size = *srcelf->size;
+ }
+ S_SET_SIZE (dest, S_GET_SIZE (src));
}
- S_SET_SIZE (dest, S_GET_SIZE (src));
}
/* RISC-V pseudo-ops table. */
diff --git a/gas/testsuite/gas/elf/size.d b/gas/testsuite/gas/elf/size.d
index 51bf4eb..5890386 100644
--- a/gas/testsuite/gas/elf/size.d
+++ b/gas/testsuite/gas/elf/size.d
@@ -1,5 +1,7 @@
#readelf: -sW
#name: ELF symbol size
+#notarget: alpha-*-* hppa*-*-hpux*
+# The Alpha target uses its own .set pseudo-insn.
#...
+[0-9]+: 0+ +1 +NOTYPE +LOCAL +DEFAULT +[0-9]+ +foo1