* [PATCH 2/2] LoongArch: ld: Fix other pop relocs overflow check and add tests
2023-07-27 10:03 [PATCH 1/2] LoongArch: bfd: Correct the name of R_LARCH_SOP_POP_32_U in howto_table Jinyang He
@ 2023-07-27 10:03 ` Jinyang He
0 siblings, 0 replies; 2+ messages in thread
From: Jinyang He @ 2023-07-27 10:03 UTC (permalink / raw)
To: Chenghua Xu, Zhensong Liu, mengqinggang, WANG Xuerui
Cc: Xi Ruoyao, binutils, Xing Li
Add reloc_unsign_bits() to fix others sop_pop relocs overflow check.
Then add over/underflow tests for relocs B*, SOP_POP* and PCREL20_S2.
bfd/ChangeLog:
* bfd/elfxx-loongarch.c: Add reloc_unsign_bits().
ld/ChangeLog:
* testsuite/ld-loongarch-elf/ld-loongarch-elf.exp: Add test.
* testsuite/ld-loongarch-elf/abi1_overflow_check1.dd: New test.
* testsuite/ld-loongarch-elf/abi1_overflow_check1.s: New test.
* testsuite/ld-loongarch-elf/abi1_overflow_check2.s: New test.
* testsuite/ld-loongarch-elf/abi2_overflow_check1.s: New test.
* testsuite/ld-loongarch-elf/abi2_overflow_check2.s: New test.
* testsuite/ld-loongarch-elf/abi2_overflow_check_b16.d: New test.
* testsuite/ld-loongarch-elf/abi2_overflow_check_b21.d: New test.
* testsuite/ld-loongarch-elf/abi2_overflow_check_b26.d: New test.
* testsuite/ld-loongarch-elf/abi2_overflow_check_pcrel20.d: New test.
* testsuite/ld-loongarch-elf/overflow_b16.d: New test.
* testsuite/ld-loongarch-elf/overflow_b21.d: New test.
* testsuite/ld-loongarch-elf/overflow_b26.d: New test.
* testsuite/ld-loongarch-elf/overflow_pcrel20.d: New test.
* testsuite/ld-loongarch-elf/overflow_s_0_10_10_16_s2.d: New test.
* testsuite/ld-loongarch-elf/overflow_s_0_5_10_16_s2.d: New test.
* testsuite/ld-loongarch-elf/overflow_s_10_12.d: New test.
* testsuite/ld-loongarch-elf/overflow_s_10_16.d: New test.
* testsuite/ld-loongarch-elf/overflow_s_10_16_s2.d: New test.
* testsuite/ld-loongarch-elf/overflow_s_10_5.d: New test.
* testsuite/ld-loongarch-elf/overflow_s_5_20.d: New test.
* testsuite/ld-loongarch-elf/overflow_u.d: New test.
* testsuite/ld-loongarch-elf/overflow_u_10_12.d: New test.
* testsuite/ld-loongarch-elf/underflow_b16.d: New test.
* testsuite/ld-loongarch-elf/underflow_b21.d: New test.
* testsuite/ld-loongarch-elf/underflow_b26.d: New test.
* testsuite/ld-loongarch-elf/underflow_pcrel20.d: New test.
* testsuite/ld-loongarch-elf/underflow_s_0_10_10_16_s2.d: New test.
* testsuite/ld-loongarch-elf/underflow_s_0_5_10_16_s2.d: New test.
* testsuite/ld-loongarch-elf/underflow_s_10_12.d: New test.
* testsuite/ld-loongarch-elf/underflow_s_10_16.d: New test.
* testsuite/ld-loongarch-elf/underflow_s_10_16_s2.d: New test.
* testsuite/ld-loongarch-elf/underflow_s_10_5.d: New test.
* testsuite/ld-loongarch-elf/underflow_s_5_20.d: New test.
---
bfd/elfxx-loongarch.c | 33 ++++++++++----
.../ld-loongarch-elf/abi1_overflow_check1.dd | 18 ++++++++
.../ld-loongarch-elf/abi1_overflow_check1.s | 39 +++++++++++++++++
.../ld-loongarch-elf/abi1_overflow_check2.s | 43 +++++++++++++++++++
.../ld-loongarch-elf/abi2_overflow_check1.s | 24 +++++++++++
.../ld-loongarch-elf/abi2_overflow_check2.s | 24 +++++++++++
.../abi2_overflow_check_b16.d | 9 ++++
.../abi2_overflow_check_b21.d | 9 ++++
.../abi2_overflow_check_b26.d | 9 ++++
.../abi2_overflow_check_pcrel20.d | 9 ++++
.../ld-loongarch-elf/ld-loongarch-elf.exp | 39 +++++++++++++++++
ld/testsuite/ld-loongarch-elf/overflow_b16.d | 4 ++
ld/testsuite/ld-loongarch-elf/overflow_b21.d | 4 ++
ld/testsuite/ld-loongarch-elf/overflow_b26.d | 4 ++
.../ld-loongarch-elf/overflow_pcrel20.d | 4 ++
.../overflow_s_0_10_10_16_s2.d | 4 ++
.../overflow_s_0_5_10_16_s2.d | 4 ++
.../ld-loongarch-elf/overflow_s_10_12.d | 4 ++
.../ld-loongarch-elf/overflow_s_10_16.d | 4 ++
.../ld-loongarch-elf/overflow_s_10_16_s2.d | 4 ++
.../ld-loongarch-elf/overflow_s_10_5.d | 4 ++
.../ld-loongarch-elf/overflow_s_5_20.d | 4 ++
ld/testsuite/ld-loongarch-elf/overflow_u.d | 4 ++
.../ld-loongarch-elf/overflow_u_10_12.d | 4 ++
ld/testsuite/ld-loongarch-elf/underflow_b16.d | 4 ++
ld/testsuite/ld-loongarch-elf/underflow_b21.d | 4 ++
ld/testsuite/ld-loongarch-elf/underflow_b26.d | 4 ++
.../ld-loongarch-elf/underflow_pcrel20.d | 4 ++
.../underflow_s_0_10_10_16_s2.d | 4 ++
.../underflow_s_0_5_10_16_s2.d | 4 ++
.../ld-loongarch-elf/underflow_s_10_12.d | 4 ++
.../ld-loongarch-elf/underflow_s_10_16.d | 4 ++
.../ld-loongarch-elf/underflow_s_10_16_s2.d | 4 ++
.../ld-loongarch-elf/underflow_s_10_5.d | 4 ++
.../ld-loongarch-elf/underflow_s_5_20.d | 4 ++
35 files changed, 343 insertions(+), 9 deletions(-)
create mode 100644 ld/testsuite/ld-loongarch-elf/abi1_overflow_check1.dd
create mode 100644 ld/testsuite/ld-loongarch-elf/abi1_overflow_check1.s
create mode 100644 ld/testsuite/ld-loongarch-elf/abi1_overflow_check2.s
create mode 100644 ld/testsuite/ld-loongarch-elf/abi2_overflow_check1.s
create mode 100644 ld/testsuite/ld-loongarch-elf/abi2_overflow_check2.s
create mode 100644 ld/testsuite/ld-loongarch-elf/abi2_overflow_check_b16.d
create mode 100644 ld/testsuite/ld-loongarch-elf/abi2_overflow_check_b21.d
create mode 100644 ld/testsuite/ld-loongarch-elf/abi2_overflow_check_b26.d
create mode 100644 ld/testsuite/ld-loongarch-elf/abi2_overflow_check_pcrel20.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_b16.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_b21.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_b26.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_pcrel20.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_0_10_10_16_s2.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_0_5_10_16_s2.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_10_12.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_10_16.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_10_16_s2.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_10_5.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_s_5_20.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_u.d
create mode 100644 ld/testsuite/ld-loongarch-elf/overflow_u_10_12.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_b16.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_b21.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_b26.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_pcrel20.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_0_10_10_16_s2.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_0_5_10_16_s2.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_10_12.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_10_16.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_10_16_s2.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_10_5.d
create mode 100644 ld/testsuite/ld-loongarch-elf/underflow_s_5_20.d
diff --git a/bfd/elfxx-loongarch.c b/bfd/elfxx-loongarch.c
index 924b11cfa..9b4fbfe36 100644
--- a/bfd/elfxx-loongarch.c
+++ b/bfd/elfxx-loongarch.c
@@ -55,6 +55,8 @@ static bool
reloc_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *val);
static bool
reloc_sign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val);
+static bool
+reloc_unsign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val);
static bfd_reloc_status_type
loongarch_elf_add_sub_reloc (bfd *, arelent *, asymbol *, void *,
@@ -383,7 +385,7 @@ static loongarch_reloc_howto_type loongarch_howto_table[] =
0x7c00, /* dst_mask */
false, /* pcrel_offset */
BFD_RELOC_LARCH_SOP_POP_32_S_10_5, /* bfd_reloc_code_real_type */
- reloc_bits, /* adjust_reloc_bits */
+ reloc_sign_bits, /* adjust_reloc_bits */
NULL), /* larch_reloc_type_name */
LOONGARCH_HOWTO (R_LARCH_SOP_POP_32_U_10_12, /* type (39). */
@@ -400,7 +402,7 @@ static loongarch_reloc_howto_type loongarch_howto_table[] =
0x3ffc00, /* dst_mask */
false, /* pcrel_offset */
BFD_RELOC_LARCH_SOP_POP_32_U_10_12, /* bfd_reloc_code_real_type */
- reloc_bits, /* adjust_reloc_bits */
+ reloc_unsign_bits, /* adjust_reloc_bits */
NULL), /* larch_reloc_type_name */
LOONGARCH_HOWTO (R_LARCH_SOP_POP_32_S_10_12, /* type (40). */
@@ -417,7 +419,7 @@ static loongarch_reloc_howto_type loongarch_howto_table[] =
0x3ffc00, /* dst_mask */
false, /* pcrel_offset */
BFD_RELOC_LARCH_SOP_POP_32_S_10_12, /* bfd_reloc_code_real_type */
- reloc_bits, /* adjust_reloc_bits */
+ reloc_sign_bits, /* adjust_reloc_bits */
NULL), /* larch_reloc_type_name */
LOONGARCH_HOWTO (R_LARCH_SOP_POP_32_S_10_16, /* type (41). */
@@ -434,7 +436,7 @@ static loongarch_reloc_howto_type loongarch_howto_table[] =
0x3fffc00, /* dst_mask */
false, /* pcrel_offset */
BFD_RELOC_LARCH_SOP_POP_32_S_10_16, /* bfd_reloc_code_real_type */
- reloc_bits, /* adjust_reloc_bits */
+ reloc_sign_bits, /* adjust_reloc_bits */
NULL), /* larch_reloc_type_name */
LOONGARCH_HOWTO (R_LARCH_SOP_POP_32_S_10_16_S2, /* type (42). */
@@ -468,7 +470,7 @@ static loongarch_reloc_howto_type loongarch_howto_table[] =
0x1ffffe0, /* dst_mask */
false, /* pcrel_offset */
BFD_RELOC_LARCH_SOP_POP_32_S_5_20, /* bfd_reloc_code_real_type */
- reloc_bits, /* adjust_reloc_bits */
+ reloc_sign_bits, /* adjust_reloc_bits */
NULL), /* larch_reloc_type_name */
LOONGARCH_HOWTO (R_LARCH_SOP_POP_32_S_0_5_10_16_S2,
@@ -522,7 +524,7 @@ static loongarch_reloc_howto_type loongarch_howto_table[] =
0x00000000ffffffff, /* dst_mask */
false, /* pcrel_offset */
BFD_RELOC_LARCH_SOP_POP_32_U, /* bfd_reloc_code_real_type */
- reloc_bits, /* adjust_reloc_bits */
+ reloc_unsign_bits, /* adjust_reloc_bits */
NULL), /* larch_reloc_type_name */
/* 8-bit in-place addition, for local label subtraction. */
@@ -1671,9 +1673,10 @@ reloc_bits (bfd *abfd ATTRIBUTE_UNUSED,
}
static bool
-reloc_sign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val)
+reloc_bits_sanity (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val, bool sign)
{
- if (howto->complain_on_overflow != complain_overflow_signed)
+ if ((sign && howto->complain_on_overflow != complain_overflow_signed)
+ || (!sign && howto->complain_on_overflow != complain_overflow_unsigned))
return false;
bfd_signed_vma val = (bfd_signed_vma)(*fix_val);
@@ -1689,7 +1692,7 @@ reloc_sign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val)
}
bfd_signed_vma mask = ((bfd_signed_vma)0x1 << (howto->bitsize
- + howto->rightshift - 1)) - 1;
+ + howto->rightshift - sign)) - 1;
/* Positive number: high part is all 0;
Negative number: if high part is not all 0, high part must be all 1.
@@ -1728,6 +1731,18 @@ reloc_sign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val)
return true;
}
+static bool
+reloc_sign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val)
+{
+ return reloc_bits_sanity (abfd, howto, fix_val, true);
+}
+
+static bool
+reloc_unsign_bits (bfd *abfd, reloc_howto_type *howto, bfd_vma *fix_val)
+{
+ return reloc_bits_sanity (abfd, howto, fix_val, false);
+}
+
bool
loongarch_adjust_reloc_bitsfield (bfd *abfd, reloc_howto_type *howto,
bfd_vma *fix_val)
diff --git a/ld/testsuite/ld-loongarch-elf/abi1_overflow_check1.dd b/ld/testsuite/ld-loongarch-elf/abi1_overflow_check1.dd
new file mode 100644
index 000000000..c85271408
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/abi1_overflow_check1.dd
@@ -0,0 +1,18 @@
+#...
+.*00003c00.*
+.*00004000.*
+.*001ffc00.*
+.*00200000.*
+.*01fffc00.*
+.*02000000.*
+.*01fffc00.*
+.*02000000.*
+.*03fffc0f.*
+.*00000010.*
+.*03fffdff.*
+.*00000200.*
+.*00ffffe0.*
+.*01000000.*
+.*003ffc00.*
+.*ffffffff.*
+#pass
diff --git a/ld/testsuite/ld-loongarch-elf/abi1_overflow_check1.s b/ld/testsuite/ld-loongarch-elf/abi1_overflow_check1.s
new file mode 100644
index 000000000..02507f19c
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/abi1_overflow_check1.s
@@ -0,0 +1,39 @@
+.macro sign_check reloc_name reloc_bits
+ .reloc off, R_LARCH_SOP_PUSH_ABSOLUTE, (1 << (\reloc_bits - 1)) - 1
+ .reloc off, \reloc_name
+ .word 0
+ .set off, off + 4
+ .reloc off, R_LARCH_SOP_PUSH_ABSOLUTE, -(1 << (\reloc_bits - 1))
+ .reloc off, \reloc_name
+ .word 0
+ .set off, off + 4
+.endm
+
+.macro sign_check_s2 reloc_name reloc_bits
+ .reloc off, R_LARCH_SOP_PUSH_ABSOLUTE, ((1 << (\reloc_bits - 1)) - 1) << 2
+ .reloc off, \reloc_name
+ .word 0
+ .set off, off + 4
+ .reloc off, R_LARCH_SOP_PUSH_ABSOLUTE, (-(1 << (\reloc_bits - 1))) << 2
+ .reloc off, \reloc_name
+ .word 0
+ .set off, off + 4
+.endm
+
+.macro unsign_check reloc_name reloc_bits
+ .reloc off, R_LARCH_SOP_PUSH_ABSOLUTE, (1 << \reloc_bits) - 1
+ .reloc off, \reloc_name
+ .word 0
+ .set off, off + 4
+.endm
+
+.set off, 0
+sign_check R_LARCH_SOP_POP_32_S_10_5 5
+sign_check R_LARCH_SOP_POP_32_S_10_12 12
+sign_check R_LARCH_SOP_POP_32_S_10_16 16
+sign_check_s2 R_LARCH_SOP_POP_32_S_10_16_S2 16
+sign_check_s2 R_LARCH_SOP_POP_32_S_0_5_10_16_S2 21
+sign_check_s2 R_LARCH_SOP_POP_32_S_0_10_10_16_S2 26
+sign_check R_LARCH_SOP_POP_32_S_5_20 20
+unsign_check R_LARCH_SOP_POP_32_U_10_12 12
+unsign_check R_LARCH_SOP_POP_32_U 32
diff --git a/ld/testsuite/ld-loongarch-elf/abi1_overflow_check2.s b/ld/testsuite/ld-loongarch-elf/abi1_overflow_check2.s
new file mode 100644
index 000000000..34f2d5920
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/abi1_overflow_check2.s
@@ -0,0 +1,43 @@
+.macro sign_check reloc_sym reloc_name reloc_bits
+ .ifdef \reloc_sym
+ .ifdef overflow
+ .reloc 0, R_LARCH_SOP_PUSH_ABSOLUTE, 1 << (\reloc_bits - 1)
+ .reloc 0, \reloc_name
+ .else
+ .reloc 0, R_LARCH_SOP_PUSH_ABSOLUTE, -(1 << (\reloc_bits - 1)) - 1
+ .reloc 0, \reloc_name
+ .endif
+ .word 0
+ .endif
+.endm
+
+.macro sign_check_s2 reloc_sym reloc_name reloc_bits
+ .ifdef \reloc_sym
+ .ifdef overflow
+ .reloc 0, R_LARCH_SOP_PUSH_ABSOLUTE, (1 << (\reloc_bits - 1)) << 2
+ .reloc 0, \reloc_name
+ .else
+ .reloc 0, R_LARCH_SOP_PUSH_ABSOLUTE, (-(1 << (\reloc_bits - 1)) - 1) << 2
+ .reloc 0, \reloc_name
+ .endif
+ .word 0
+ .endif
+.endm
+
+.macro unsign_check reloc_sym reloc_name reloc_bits
+ .ifdef \reloc_sym
+ .reloc 0, R_LARCH_SOP_PUSH_ABSOLUTE, 1 << \reloc_bits
+ .reloc 0, \reloc_name
+ .word 0
+ .endif
+.endm
+
+sign_check s_10_5 R_LARCH_SOP_POP_32_S_10_5 5
+sign_check s_10_12 R_LARCH_SOP_POP_32_S_10_12 12
+sign_check s_10_16 R_LARCH_SOP_POP_32_S_10_16 16
+sign_check_s2 s_10_16_s2 R_LARCH_SOP_POP_32_S_10_16_S2 16
+sign_check_s2 s_0_5_10_16_s2 R_LARCH_SOP_POP_32_S_0_5_10_16_S2 21
+sign_check_s2 s_0_10_10_16_s2 R_LARCH_SOP_POP_32_S_0_10_10_16_S2 26
+sign_check s_5_20 R_LARCH_SOP_POP_32_S_5_20 20
+unsign_check u_10_12 R_LARCH_SOP_POP_32_U_10_12 12
+unsign_check u R_LARCH_SOP_POP_32_U 32
diff --git a/ld/testsuite/ld-loongarch-elf/abi2_overflow_check1.s b/ld/testsuite/ld-loongarch-elf/abi2_overflow_check1.s
new file mode 100644
index 000000000..f1bc3868f
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/abi2_overflow_check1.s
@@ -0,0 +1,24 @@
+ .text
+.ifdef b16
+ beq $a0, $a1, low
+ beq $a0, $a1, high
+.endif
+.ifdef b21
+ beqz $a0, low
+ beqz $a0, high
+.endif
+.ifdef b26
+ b low
+ b high
+.endif
+.ifdef pcrel20
+ .reloc 0, R_LARCH_PCREL20_S2, low
+ pcaddi $a0, 0
+ .reloc 4, R_LARCH_PCREL20_S2, high
+ pcaddi $a0, 0
+.endif
+
+ .section ".low"
+low: nop
+ .section ".high"
+high: nop
diff --git a/ld/testsuite/ld-loongarch-elf/abi2_overflow_check2.s b/ld/testsuite/ld-loongarch-elf/abi2_overflow_check2.s
new file mode 100644
index 000000000..1c25bd8c5
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/abi2_overflow_check2.s
@@ -0,0 +1,24 @@
+ .text
+
+.set idx, 0
+.ifdef underflow
+ nop
+ .set idx, 4
+.endif
+
+.ifdef b16
+ beq $a0, $a1, local_sym
+.endif
+.ifdef b21
+ beqz $a0, local_sym
+.endif
+.ifdef b26
+ b local_sym
+.endif
+.ifdef pcrel20
+ .reloc idx, R_LARCH_PCREL20_S2, local_sym
+ pcaddi $a0, 0
+.endif
+
+ .section ".local_sym"
+local_sym: nop
diff --git a/ld/testsuite/ld-loongarch-elf/abi2_overflow_check_b16.d b/ld/testsuite/ld-loongarch-elf/abi2_overflow_check_b16.d
new file mode 100644
index 000000000..cd73a5136
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/abi2_overflow_check_b16.d
@@ -0,0 +1,9 @@
+#source: abi2_overflow_check1.s
+#as: --defsym b16=1
+#ld: -e 0 -Ttext 0x20000000 --section-start=.low=0x1ffe0000 --section-start=.high=0x20020000
+#objdump: -s
+
+#...
+Contents of section .text:
+ 20000000 8500005a 85fcff59.*
+#pass
diff --git a/ld/testsuite/ld-loongarch-elf/abi2_overflow_check_b21.d b/ld/testsuite/ld-loongarch-elf/abi2_overflow_check_b21.d
new file mode 100644
index 000000000..143824388
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/abi2_overflow_check_b21.d
@@ -0,0 +1,9 @@
+#source: abi2_overflow_check1.s
+#as: --defsym b21=1
+#ld: -e 0 -Ttext 0x20000000 --section-start=.low=0x1fc00000 --section-start=.high=0x20400000
+#objdump: -s
+
+#...
+Contents of section .text:
+ 20000000 90000040 8ffcff43.*
+#pass
diff --git a/ld/testsuite/ld-loongarch-elf/abi2_overflow_check_b26.d b/ld/testsuite/ld-loongarch-elf/abi2_overflow_check_b26.d
new file mode 100644
index 000000000..c8e996995
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/abi2_overflow_check_b26.d
@@ -0,0 +1,9 @@
+#source: abi2_overflow_check1.s
+#as: --defsym b26=1
+#ld: -e 0 -Ttext 0x20000000 --section-start=.low=0x18000000 --section-start=.high=0x28000000
+#objdump: -s
+
+#...
+Contents of section .text:
+ 20000000 00020050 fffdff53.*
+#pass
diff --git a/ld/testsuite/ld-loongarch-elf/abi2_overflow_check_pcrel20.d b/ld/testsuite/ld-loongarch-elf/abi2_overflow_check_pcrel20.d
new file mode 100644
index 000000000..3948f4216
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/abi2_overflow_check_pcrel20.d
@@ -0,0 +1,9 @@
+#source: abi2_overflow_check1.s
+#as: --defsym pcrel20=1
+#ld: -e 0 -Ttext 0x20000000 --section-start=.low=0x1fe00000 --section-start=.high=0x20200000
+#objdump: -s
+
+#...
+Contents of section .text:
+ 20000000 04000019 e4ffff18.*
+#pass
diff --git a/ld/testsuite/ld-loongarch-elf/ld-loongarch-elf.exp b/ld/testsuite/ld-loongarch-elf/ld-loongarch-elf.exp
index b95cc53e5..a6812ea2a 100644
--- a/ld/testsuite/ld-loongarch-elf/ld-loongarch-elf.exp
+++ b/ld/testsuite/ld-loongarch-elf/ld-loongarch-elf.exp
@@ -32,6 +32,22 @@ if [istarget "loongarch64-*-*"] {
run_dump_test "syscall"
run_dump_test "disas-jirl"
run_dump_test "local-ifunc-reloc"
+ run_dump_test "overflow_s_10_5"
+ run_dump_test "overflow_s_10_12"
+ run_dump_test "overflow_s_10_16"
+ run_dump_test "overflow_s_10_16_s2"
+ run_dump_test "overflow_s_0_5_10_16_s2"
+ run_dump_test "overflow_s_0_10_10_16_s2"
+ run_dump_test "overflow_s_5_20"
+ run_dump_test "overflow_u_10_12"
+ run_dump_test "overflow_u"
+ run_dump_test "underflow_s_10_5"
+ run_dump_test "underflow_s_10_12"
+ run_dump_test "underflow_s_10_16"
+ run_dump_test "underflow_s_10_16_s2"
+ run_dump_test "underflow_s_0_5_10_16_s2"
+ run_dump_test "underflow_s_0_10_10_16_s2"
+ run_dump_test "underflow_s_5_20"
}
if [istarget "loongarch32-*-*"] {
@@ -54,5 +70,28 @@ if [istarget "loongarch64-*-*"] {
] \
"64_pcrel" \
] \
+ [list \
+ "abi1_overflow_check1" \
+ "-e 0x0" "" \
+ "" \
+ {abi1_overflow_check1.s} \
+ [list \
+ [list objdump -D abi1_overflow_check1.dd] \
+ ] \
+ "abi1_overflow_check1" \
+ ] \
]
}
+
+run_dump_test "abi2_overflow_check_b16"
+run_dump_test "abi2_overflow_check_b21"
+run_dump_test "abi2_overflow_check_b26"
+run_dump_test "abi2_overflow_check_pcrel20"
+run_dump_test "overflow_b16"
+run_dump_test "overflow_b21"
+run_dump_test "overflow_b26"
+run_dump_test "overflow_pcrel20"
+run_dump_test "underflow_b16"
+run_dump_test "underflow_b21"
+run_dump_test "underflow_b26"
+run_dump_test "underflow_pcrel20"
diff --git a/ld/testsuite/ld-loongarch-elf/overflow_b16.d b/ld/testsuite/ld-loongarch-elf/overflow_b16.d
new file mode 100644
index 000000000..a015f57d8
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/overflow_b16.d
@@ -0,0 +1,4 @@
+#source: abi2_overflow_check2.s
+#as: --defsym overflow=1 --defsym b16=1
+#ld: -e 0 --section-start=.local_sym=0x20020000
+#error: .*relocation truncated to fit: R_LARCH_B16 against `local_sym'
diff --git a/ld/testsuite/ld-loongarch-elf/overflow_b21.d b/ld/testsuite/ld-loongarch-elf/overflow_b21.d
new file mode 100644
index 000000000..ad0d20de1
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/overflow_b21.d
@@ -0,0 +1,4 @@
+#source: abi2_overflow_check2.s
+#as: --defsym overflow=1 --defsym b21=1
+#ld: -e 0 --section-start=.local_sym=0x20400000
+#error: .*relocation truncated to fit: R_LARCH_B21 against `local_sym'
diff --git a/ld/testsuite/ld-loongarch-elf/overflow_b26.d b/ld/testsuite/ld-loongarch-elf/overflow_b26.d
new file mode 100644
index 000000000..510283756
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/overflow_b26.d
@@ -0,0 +1,4 @@
+#source: abi2_overflow_check2.s
+#as: --defsym overflow=1 --defsym b26=1
+#ld: -e 0 --section-start=.local_sym=0x28000000
+#error: .*relocation truncated to fit: R_LARCH_B26 against `local_sym'
diff --git a/ld/testsuite/ld-loongarch-elf/overflow_pcrel20.d b/ld/testsuite/ld-loongarch-elf/overflow_pcrel20.d
new file mode 100644
index 000000000..354fc2903
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/overflow_pcrel20.d
@@ -0,0 +1,4 @@
+#source: abi2_overflow_check2.s
+#as: --defsym overflow=1 --defsym pcrel20=1
+#ld: -e 0 --section-start=.local_sym=0x20200000
+#error: .*relocation truncated to fit: R_LARCH_PCREL20_S2 against `local_sym'
diff --git a/ld/testsuite/ld-loongarch-elf/overflow_s_0_10_10_16_s2.d b/ld/testsuite/ld-loongarch-elf/overflow_s_0_10_10_16_s2.d
new file mode 100644
index 000000000..38a7d0173
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/overflow_s_0_10_10_16_s2.d
@@ -0,0 +1,4 @@
+#source: abi1_overflow_check2.s
+#as: --defsym overflow=1 --defsym s_0_10_10_16_s2=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_0_10_10_16_S2 against `<nameless>'
\ No newline at end of file
diff --git a/ld/testsuite/ld-loongarch-elf/overflow_s_0_5_10_16_s2.d b/ld/testsuite/ld-loongarch-elf/overflow_s_0_5_10_16_s2.d
new file mode 100644
index 000000000..cf6cbcce0
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/overflow_s_0_5_10_16_s2.d
@@ -0,0 +1,4 @@
+#source: abi1_overflow_check2.s
+#as: --defsym overflow=1 --defsym s_0_5_10_16_s2=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_0_5_10_16_S2 against `<nameless>'
\ No newline at end of file
diff --git a/ld/testsuite/ld-loongarch-elf/overflow_s_10_12.d b/ld/testsuite/ld-loongarch-elf/overflow_s_10_12.d
new file mode 100644
index 000000000..30541c999
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/overflow_s_10_12.d
@@ -0,0 +1,4 @@
+#source: abi1_overflow_check2.s
+#as: --defsym overflow=1 --defsym s_10_12=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_12 against `<nameless>'
\ No newline at end of file
diff --git a/ld/testsuite/ld-loongarch-elf/overflow_s_10_16.d b/ld/testsuite/ld-loongarch-elf/overflow_s_10_16.d
new file mode 100644
index 000000000..304ab9697
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/overflow_s_10_16.d
@@ -0,0 +1,4 @@
+#source: abi1_overflow_check2.s
+#as: --defsym overflow=1 --defsym s_10_16=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_16 against `<nameless>'
\ No newline at end of file
diff --git a/ld/testsuite/ld-loongarch-elf/overflow_s_10_16_s2.d b/ld/testsuite/ld-loongarch-elf/overflow_s_10_16_s2.d
new file mode 100644
index 000000000..00037013f
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/overflow_s_10_16_s2.d
@@ -0,0 +1,4 @@
+#source: abi1_overflow_check2.s
+#as: --defsym overflow=1 --defsym s_10_16_s2=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_16_S2 against `<nameless>'
\ No newline at end of file
diff --git a/ld/testsuite/ld-loongarch-elf/overflow_s_10_5.d b/ld/testsuite/ld-loongarch-elf/overflow_s_10_5.d
new file mode 100644
index 000000000..183a43451
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/overflow_s_10_5.d
@@ -0,0 +1,4 @@
+#source: abi1_overflow_check2.s
+#as: --defsym overflow=1 --defsym s_10_5=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_5 against `<nameless>'
\ No newline at end of file
diff --git a/ld/testsuite/ld-loongarch-elf/overflow_s_5_20.d b/ld/testsuite/ld-loongarch-elf/overflow_s_5_20.d
new file mode 100644
index 000000000..d35448945
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/overflow_s_5_20.d
@@ -0,0 +1,4 @@
+#source: abi1_overflow_check2.s
+#as: --defsym overflow=1 --defsym s_5_20=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_5_20 against `<nameless>'
\ No newline at end of file
diff --git a/ld/testsuite/ld-loongarch-elf/overflow_u.d b/ld/testsuite/ld-loongarch-elf/overflow_u.d
new file mode 100644
index 000000000..ea332a6a5
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/overflow_u.d
@@ -0,0 +1,4 @@
+#source: abi1_overflow_check2.s
+#as: --defsym overflow=1 --defsym u=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_U against `<nameless>'
\ No newline at end of file
diff --git a/ld/testsuite/ld-loongarch-elf/overflow_u_10_12.d b/ld/testsuite/ld-loongarch-elf/overflow_u_10_12.d
new file mode 100644
index 000000000..80ac8f1fa
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/overflow_u_10_12.d
@@ -0,0 +1,4 @@
+#source: abi1_overflow_check2.s
+#as: --defsym overflow=1 --defsym u_10_12=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_U_10_12 against `<nameless>'
\ No newline at end of file
diff --git a/ld/testsuite/ld-loongarch-elf/underflow_b16.d b/ld/testsuite/ld-loongarch-elf/underflow_b16.d
new file mode 100644
index 000000000..dcb50b9d4
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/underflow_b16.d
@@ -0,0 +1,4 @@
+#source: abi2_overflow_check2.s
+#as: --defsym underflow=1 --defsym b16=1
+#ld: -e 0 --section-start=.local_sym=0x1ffe0000
+#error: .*relocation truncated to fit: R_LARCH_B16 against `local_sym'
diff --git a/ld/testsuite/ld-loongarch-elf/underflow_b21.d b/ld/testsuite/ld-loongarch-elf/underflow_b21.d
new file mode 100644
index 000000000..55047e12a
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/underflow_b21.d
@@ -0,0 +1,4 @@
+#source: abi2_overflow_check2.s
+#as: --defsym underflow=1 --defsym b21=1
+#ld: -e 0 --section-start=.local_sym=0x1fc00000
+#error: .*relocation truncated to fit: R_LARCH_B21 against `local_sym'
diff --git a/ld/testsuite/ld-loongarch-elf/underflow_b26.d b/ld/testsuite/ld-loongarch-elf/underflow_b26.d
new file mode 100644
index 000000000..675c47f0e
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/underflow_b26.d
@@ -0,0 +1,4 @@
+#source: abi2_overflow_check2.s
+#as: --defsym underflow=1 --defsym b26=1
+#ld: -e 0 --section-start=.local_sym=0x28000000
+#error: .*relocation truncated to fit: R_LARCH_B26 against `local_sym'
diff --git a/ld/testsuite/ld-loongarch-elf/underflow_pcrel20.d b/ld/testsuite/ld-loongarch-elf/underflow_pcrel20.d
new file mode 100644
index 000000000..186034e4f
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/underflow_pcrel20.d
@@ -0,0 +1,4 @@
+#source: abi2_overflow_check2.s
+#as: --defsym underflow=1 --defsym pcrel20=1
+#ld: -e 0 --section-start=.local_sym=0x1fe00000
+#error: .*relocation truncated to fit: R_LARCH_PCREL20_S2 against `local_sym'
diff --git a/ld/testsuite/ld-loongarch-elf/underflow_s_0_10_10_16_s2.d b/ld/testsuite/ld-loongarch-elf/underflow_s_0_10_10_16_s2.d
new file mode 100644
index 000000000..cd7abb1a1
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/underflow_s_0_10_10_16_s2.d
@@ -0,0 +1,4 @@
+#source: abi1_overflow_check2.s
+#as: --defsym underflow=1 --defsym s_0_10_10_16_s2=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_0_10_10_16_S2 against `<nameless>'
\ No newline at end of file
diff --git a/ld/testsuite/ld-loongarch-elf/underflow_s_0_5_10_16_s2.d b/ld/testsuite/ld-loongarch-elf/underflow_s_0_5_10_16_s2.d
new file mode 100644
index 000000000..21474c9d1
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/underflow_s_0_5_10_16_s2.d
@@ -0,0 +1,4 @@
+#source: abi1_overflow_check2.s
+#as: --defsym underflow=1 --defsym s_0_5_10_16_s2=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_0_5_10_16_S2 against `<nameless>'
\ No newline at end of file
diff --git a/ld/testsuite/ld-loongarch-elf/underflow_s_10_12.d b/ld/testsuite/ld-loongarch-elf/underflow_s_10_12.d
new file mode 100644
index 000000000..7cbd45216
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/underflow_s_10_12.d
@@ -0,0 +1,4 @@
+#source: abi1_overflow_check2.s
+#as: --defsym underflow=1 --defsym s_10_12=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_12 against `<nameless>'
\ No newline at end of file
diff --git a/ld/testsuite/ld-loongarch-elf/underflow_s_10_16.d b/ld/testsuite/ld-loongarch-elf/underflow_s_10_16.d
new file mode 100644
index 000000000..e3dde7e25
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/underflow_s_10_16.d
@@ -0,0 +1,4 @@
+#source: abi1_overflow_check2.s
+#as: --defsym underflow=1 --defsym s_10_16=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_16 against `<nameless>'
\ No newline at end of file
diff --git a/ld/testsuite/ld-loongarch-elf/underflow_s_10_16_s2.d b/ld/testsuite/ld-loongarch-elf/underflow_s_10_16_s2.d
new file mode 100644
index 000000000..b05b56df4
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/underflow_s_10_16_s2.d
@@ -0,0 +1,4 @@
+#source: abi1_overflow_check2.s
+#as: --defsym underflow=1 --defsym s_10_16_s2=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_16_S2 against `<nameless>'
\ No newline at end of file
diff --git a/ld/testsuite/ld-loongarch-elf/underflow_s_10_5.d b/ld/testsuite/ld-loongarch-elf/underflow_s_10_5.d
new file mode 100644
index 000000000..5e0352e4f
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/underflow_s_10_5.d
@@ -0,0 +1,4 @@
+#source: abi1_overflow_check2.s
+#as: --defsym underflow=1 --defsym s_10_5=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_10_5 against `<nameless>'
\ No newline at end of file
diff --git a/ld/testsuite/ld-loongarch-elf/underflow_s_5_20.d b/ld/testsuite/ld-loongarch-elf/underflow_s_5_20.d
new file mode 100644
index 000000000..d88818a52
--- /dev/null
+++ b/ld/testsuite/ld-loongarch-elf/underflow_s_5_20.d
@@ -0,0 +1,4 @@
+#source: abi1_overflow_check2.s
+#as: --defsym underflow=1 --defsym s_5_20=1
+#ld: -e 0
+#error: .*relocation truncated to fit: R_LARCH_SOP_POP_32_S_5_20 against `<nameless>'
\ No newline at end of file
--
2.33.0
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