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[ELF] Set p_memsz to p_filesz when aligning the last segment to page boundary 

Having p_filesz different from p_memsz is confusing some tools.

Differential Revision: https://reviews.llvm.org/D37369

llvm-svn: 312384
This commit is contained in:
Petr Hosek 2017-09-01 21:48:20 +00:00
parent 75075efe5e
commit 7ab9f7be0c
8 changed files with 11 additions and 10 deletions
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3
lld/ELF/Writer.cpp
View File

@ -1931,7 +1931,8 @@ template <class ELFT> void Writer<ELFT>::writeTrapInstr() {
LastRX = nullptr;
}
if (LastRX)
LastRX->p_filesz = alignTo(LastRX->p_filesz, Target->PageSize);
LastRX->p_memsz = LastRX->p_filesz =
alignTo(LastRX->p_filesz, Target->PageSize);
}
// Write section contents to a mmap'ed file.

2
lld/test/ELF/avoid-empty-program-headers.s
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@ -43,7 +43,7 @@ _start:
// CHECK-NEXT: VirtualAddress: 0x201000
// CHECK-NEXT: PhysicalAddress: 0x201000
// CHECK-NEXT: FileSize: 4096
// CHECK-NEXT: MemSize: 1
// CHECK-NEXT: MemSize: 4096
// CHECK-NEXT: Flags [ (0x5)
// CHECK-NEXT: PF_R (0x4)
// CHECK-NEXT: PF_X (0x1)

2
lld/test/ELF/basic-aarch64.s
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@ -186,7 +186,7 @@ _start:
# CHECK-NEXT: VirtualAddress: 0x20000
# CHECK-NEXT: PhysicalAddress: 0x20000
# CHECK-NEXT: FileSize: 4096
# CHECK-NEXT: MemSize: 12
# CHECK-NEXT: MemSize: 4096
# CHECK-NEXT: Flags [ (0x5)
# CHECK-NEXT: PF_R (0x4)
# CHECK-NEXT: PF_X (0x1)

2
lld/test/ELF/basic-sparcv9.s
View File

@ -177,7 +177,7 @@ _start:
# CHECK-NEXT: VirtualAddress: 0x200000
# CHECK-NEXT: PhysicalAddress: 0x200000
# CHECK-NEXT: FileSize: 8192
# CHECK-NEXT: MemSize: 12
# CHECK-NEXT: MemSize: 8192
# CHECK-NEXT: Flags [ (0x5)
# CHECK-NEXT: PF_R (0x4)
# CHECK-NEXT: PF_X (0x1)

2
lld/test/ELF/basic.s
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@ -179,7 +179,7 @@ _start:
# CHECK-NEXT: VirtualAddress: 0x201000
# CHECK-NEXT: PhysicalAddress: 0x201000
# CHECK-NEXT: FileSize: 4096
# CHECK-NEXT: MemSize: 16
# CHECK-NEXT: MemSize: 4096
# CHECK-NEXT: Flags [ (0x5)
# CHECK-NEXT: PF_R (0x4)
# CHECK-NEXT: PF_X (0x1)

2
lld/test/ELF/basic32.s
View File

@ -156,7 +156,7 @@ _start:
# CHECK-NEXT: VirtualAddress: 0x11000
# CHECK-NEXT: PhysicalAddress: 0x11000
# CHECK-NEXT: FileSize: 4096
# CHECK-NEXT: MemSize: 12
# CHECK-NEXT: MemSize: 4096
# CHECK-NEXT: Flags [ (0x5)
# CHECK-NEXT: PF_R (0x4)
# CHECK-NEXT: PF_X (0x1)

6
lld/test/ELF/build-id.s
View File

@ -48,15 +48,15 @@ _start:
# DEFAULT: Contents of section .note.test:
# DEFAULT: Contents of section .note.gnu.build-id:
# DEFAULT-NEXT: 04000000 08000000 03000000 474e5500 ............GNU.
# DEFAULT-NEXT: b0148597 ba5eb7e9
# DEFAULT-NEXT: bc208f98 7f8e4770
# MD5: Contents of section .note.gnu.build-id:
# MD5-NEXT: 04000000 10000000 03000000 474e5500 ............GNU.
# MD5-NEXT: dce3bcaf 5219454c e89a1fc7 86ab17bd
# MD5-NEXT: 8e13f077 f9c94068 9d63c715 6c952cd3
# SHA1: Contents of section .note.gnu.build-id:
# SHA1-NEXT: 04000000 14000000 03000000 474e5500 ............GNU.
# SHA1-NEXT: 2f716666 fe3668fe 370a02a1 579c3eb2
# SHA1-NEXT: 754ac1ea 0a2e5144 0f4642b9 3f096bbb
# UUID: Contents of section .note.gnu.build-id:
# UUID-NEXT: 04000000 10000000 03000000 474e5500 ............GNU.

2
lld/test/ELF/image-base.s
View File

@ -45,7 +45,7 @@ _start:
# CHECK-NEXT: VirtualAddress: 0x1001000
# CHECK-NEXT: PhysicalAddress: 0x1001000
# CHECK-NEXT: FileSize: 4096
# CHECK-NEXT: MemSize: 1
# CHECK-NEXT: MemSize: 4096
# CHECK-NEXT: Flags [ (0x5)
# CHECK-NEXT: PF_R (0x4)
# CHECK-NEXT: PF_X (0x1)