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Differential D113751

tsan: reduce shadow ranges
ClosedPublic

Authored by dvyukov on Nov 12 2021, 4:00 AM.

Details

Reviewers
vitalybuka
melver
Commits
rG9789e74a90d7: tsan: reduce shadow ranges
Summary

The new tsan runtime has 2x more compact shadow.
Adjust shadow ranges accordingly.

Depends on D112603.

Diff Detail

Event Timeline

dvyukov requested review of this revision.Nov 12 2021, 4:00 AM
dvyukov created this revision.
Herald added a project: Restricted Project. · View Herald TranscriptNov 12 2021, 4:00 AM
Herald added a subscriber: Restricted Project. · View Herald Transcript
dvyukov mentioned this in D112603: tsan: new runtime (v3).Nov 12 2021, 4:14 AM
Harbormaster completed remote builds in B133913: Diff 386791.Nov 12 2021, 4:23 AM
melver accepted this revision.Nov 12 2021, 4:46 AM
This revision is now accepted and ready to land.Nov 12 2021, 4:46 AM
vitalybuka accepted this revision.Nov 12 2021, 10:37 AM
dvyukov updated this revision to Diff 387563.Nov 16 2021, 3:45 AM

rebase

Harbormaster completed remote builds in B134477: Diff 387563.Nov 16 2021, 3:46 AM
dvyukov updated this revision to Diff 387684.Nov 16 2021, 9:25 AM

rebase

Harbormaster completed remote builds in B134559: Diff 387684.Nov 16 2021, 9:26 AM
This revision was landed with ongoing or failed builds.Dec 21 2021, 10:53 AM
Closed by commit rG9789e74a90d7: tsan: reduce shadow ranges (authored by dvyukov). · Explain Why
This revision was automatically updated to reflect the committed changes.
dvyukov added a commit: rG9789e74a90d7: tsan: reduce shadow ranges.

Revision Contents

PathSize
compiler-rt/
lib/
tsan/
rtl/
124 lines

Diff 387563

compiler-rt/lib/tsan/rtl/tsan_platform.h

Show All 34 Linesenum {
// because range access functions assume linearity. // because range access functions assume linearity.
kBrokenLinearity = 1 << 2, kBrokenLinearity = 1 << 2,
}; };
/* /*
C/C++ on linux/x86_64 and freebsd/x86_64 C/C++ on linux/x86_64 and freebsd/x86_64
0000 0000 1000 - 0080 0000 0000: main binary and/or MAP_32BIT mappings (512GB) 0000 0000 1000 - 0080 0000 0000: main binary and/or MAP_32BIT mappings (512GB)
0040 0000 0000 - 0100 0000 0000: - 0040 0000 0000 - 0100 0000 0000: -
0100 0000 0000 - 2000 0000 0000: shadow 0100 0000 0000 - 1000 0000 0000: shadow
2000 0000 0000 - 3000 0000 0000: - 1000 0000 0000 - 3000 0000 0000: -
3000 0000 0000 - 4000 0000 0000: metainfo (memory blocks and sync objects) 3000 0000 0000 - 4000 0000 0000: metainfo (memory blocks and sync objects)
4000 0000 0000 - 5500 0000 0000: - 4000 0000 0000 - 5500 0000 0000: -
5500 0000 0000 - 5680 0000 0000: pie binaries without ASLR or on 4.1+ kernels 5500 0000 0000 - 5680 0000 0000: pie binaries without ASLR or on 4.1+ kernels
5680 0000 0000 - 7d00 0000 0000: - 5680 0000 0000 - 7d00 0000 0000: -
7b00 0000 0000 - 7c00 0000 0000: heap 7b00 0000 0000 - 7c00 0000 0000: heap
7c00 0000 0000 - 7e80 0000 0000: - 7c00 0000 0000 - 7e80 0000 0000: -
7e80 0000 0000 - 8000 0000 0000: modules and main thread stack 7e80 0000 0000 - 8000 0000 0000: modules and main thread stack
C/C++ on netbsd/amd64 can reuse the same mapping: C/C++ on netbsd/amd64 can reuse the same mapping:
* The address space starts from 0x1000 (option with 0x0) and ends with * The address space starts from 0x1000 (option with 0x0) and ends with
0x7f7ffffff000. 0x7f7ffffff000.
* LoAppMem-kHeapMemEnd can be reused as it is. * LoAppMem-kHeapMemEnd can be reused as it is.
* No VDSO support. * No VDSO support.
* No MidAppMem region. * No MidAppMem region.
* No additional HeapMem region. * No additional HeapMem region.
* HiAppMem contains the stack, loader, shared libraries and heap. * HiAppMem contains the stack, loader, shared libraries and heap.
* Stack on NetBSD/amd64 has prereserved 128MB. * Stack on NetBSD/amd64 has prereserved 128MB.
* Heap grows downwards (top-down). * Heap grows downwards (top-down).
* ASLR must be disabled per-process or globally. * ASLR must be disabled per-process or globally.
*/ */
struct Mapping48AddressSpace { struct Mapping48AddressSpace {
static const uptr kMetaShadowBeg = 0x300000000000ull; static const uptr kMetaShadowBeg = 0x300000000000ull;
static const uptr kMetaShadowEnd = 0x340000000000ull; static const uptr kMetaShadowEnd = 0x340000000000ull;
static const uptr kShadowBeg = 0x010000000000ull; static const uptr kShadowBeg = 0x010000000000ull;
static const uptr kShadowEnd = 0x200000000000ull; static const uptr kShadowEnd = 0x100000000000ull;
static const uptr kHeapMemBeg = 0x7b0000000000ull; static const uptr kHeapMemBeg = 0x7b0000000000ull;
static const uptr kHeapMemEnd = 0x7c0000000000ull; static const uptr kHeapMemEnd = 0x7c0000000000ull;
static const uptr kLoAppMemBeg = 0x000000001000ull; static const uptr kLoAppMemBeg = 0x000000001000ull;
static const uptr kLoAppMemEnd = 0x008000000000ull; static const uptr kLoAppMemEnd = 0x008000000000ull;
static const uptr kMidAppMemBeg = 0x550000000000ull; static const uptr kMidAppMemBeg = 0x550000000000ull;
static const uptr kMidAppMemEnd = 0x568000000000ull; static const uptr kMidAppMemEnd = 0x568000000000ull;
static const uptr kHiAppMemBeg = 0x7e8000000000ull; static const uptr kHiAppMemBeg = 0x7e8000000000ull;
static const uptr kHiAppMemEnd = 0x800000000000ull; static const uptr kHiAppMemEnd = 0x800000000000ull;
static const uptr kShadowMsk = 0x780000000000ull; static const uptr kShadowMsk = 0x780000000000ull;
static const uptr kShadowXor = 0x040000000000ull; static const uptr kShadowXor = 0x040000000000ull;
static const uptr kShadowAdd = 0x000000000000ull; static const uptr kShadowAdd = 0x000000000000ull;
static const uptr kVdsoBeg = 0xf000000000000000ull; static const uptr kVdsoBeg = 0xf000000000000000ull;
}; };
/* /*
C/C++ on linux/mips64 (40-bit VMA) C/C++ on linux/mips64 (40-bit VMA)
0000 0000 00 - 0100 0000 00: - (4 GB) 0000 0000 00 - 0100 0000 00: - (4 GB)
0100 0000 00 - 0200 0000 00: main binary (4 GB) 0100 0000 00 - 0200 0000 00: main binary (4 GB)
0200 0000 00 - 1200 0000 00: - (120 GB) 0200 0000 00 - 1200 0000 00: - (64 GB)
1200 0000 00 - 4000 0000 00: shadow (128 GB) 1200 0000 00 - 2200 0000 00: shadow (64 GB)
2200 0000 00 - 4000 0000 00: - (120 GB)
4000 0000 00 - 5000 0000 00: metainfo (memory blocks and sync objects) (64 GB) 4000 0000 00 - 5000 0000 00: metainfo (memory blocks and sync objects) (64 GB)
5000 0000 00 - aa00 0000 00: - (360 GB) 5000 0000 00 - aa00 0000 00: - (360 GB)
aa00 0000 00 - ab00 0000 00: main binary (PIE) (4 GB) aa00 0000 00 - ab00 0000 00: main binary (PIE) (4 GB)
ab00 0000 00 - fe00 0000 00: - (332 GB) ab00 0000 00 - fe00 0000 00: - (332 GB)
fe00 0000 00 - ff00 0000 00: heap (4 GB) fe00 0000 00 - ff00 0000 00: heap (4 GB)
ff00 0000 00 - ff80 0000 00: - (2 GB) ff00 0000 00 - ff80 0000 00: - (2 GB)
ff80 0000 00 - ffff ffff ff: modules and main thread stack (<2 GB) ff80 0000 00 - ffff ffff ff: modules and main thread stack (<2 GB)
*/ */
struct MappingMips64_40 { struct MappingMips64_40 {
static const uptr kMetaShadowBeg = 0x4000000000ull; static const uptr kMetaShadowBeg = 0x4000000000ull;
static const uptr kMetaShadowEnd = 0x5000000000ull; static const uptr kMetaShadowEnd = 0x5000000000ull;
static const uptr kShadowBeg = 0x1200000000ull; static const uptr kShadowBeg = 0x1200000000ull;
static const uptr kShadowEnd = 0x4000000000ull; static const uptr kShadowEnd = 0x2200000000ull;
static const uptr kHeapMemBeg = 0xfe00000000ull; static const uptr kHeapMemBeg = 0xfe00000000ull;
static const uptr kHeapMemEnd = 0xff00000000ull; static const uptr kHeapMemEnd = 0xff00000000ull;
static const uptr kLoAppMemBeg = 0x0100000000ull; static const uptr kLoAppMemBeg = 0x0100000000ull;
static const uptr kLoAppMemEnd = 0x0200000000ull; static const uptr kLoAppMemEnd = 0x0200000000ull;
static const uptr kMidAppMemBeg = 0xaa00000000ull; static const uptr kMidAppMemBeg = 0xaa00000000ull;
static const uptr kMidAppMemEnd = 0xab00000000ull; static const uptr kMidAppMemEnd = 0xab00000000ull;
static const uptr kHiAppMemBeg = 0xff80000000ull; static const uptr kHiAppMemBeg = 0xff80000000ull;
static const uptr kHiAppMemEnd = 0xffffffffffull; static const uptr kHiAppMemEnd = 0xffffffffffull;
static const uptr kShadowMsk = 0xf800000000ull; static const uptr kShadowMsk = 0xf800000000ull;
static const uptr kShadowXor = 0x0800000000ull; static const uptr kShadowXor = 0x0800000000ull;
static const uptr kShadowAdd = 0x0000000000ull; static const uptr kShadowAdd = 0x0000000000ull;
static const uptr kVdsoBeg = 0xfffff00000ull; static const uptr kVdsoBeg = 0xfffff00000ull;
}; };
/* /*
C/C++ on Darwin/iOS/ARM64 (36-bit VMA, 64 GB VM) C/C++ on Darwin/iOS/ARM64 (36-bit VMA, 64 GB VM)
0000 0000 00 - 0100 0000 00: - (4 GB) 0000 0000 00 - 0100 0000 00: - (4 GB)
0100 0000 00 - 0200 0000 00: main binary, modules, thread stacks (4 GB) 0100 0000 00 - 0200 0000 00: main binary, modules, thread stacks (4 GB)
0200 0000 00 - 0300 0000 00: heap (4 GB) 0200 0000 00 - 0300 0000 00: heap (4 GB)
0300 0000 00 - 0400 0000 00: - (4 GB) 0300 0000 00 - 0400 0000 00: - (4 GB)
0400 0000 00 - 0c00 0000 00: shadow memory (32 GB) 0400 0000 00 - 0800 0000 00: shadow memory (16 GB)
0c00 0000 00 - 0d00 0000 00: - (4 GB) 0800 0000 00 - 0d00 0000 00: - (20 GB)
0d00 0000 00 - 0e00 0000 00: metainfo (4 GB) 0d00 0000 00 - 0e00 0000 00: metainfo (4 GB)
0e00 0000 00 - 1000 0000 00: - 0e00 0000 00 - 1000 0000 00: -
*/ */
struct MappingAppleAarch64 { struct MappingAppleAarch64 {
static const uptr kLoAppMemBeg = 0x0100000000ull; static const uptr kLoAppMemBeg = 0x0100000000ull;
static const uptr kLoAppMemEnd = 0x0200000000ull; static const uptr kLoAppMemEnd = 0x0200000000ull;
static const uptr kHeapMemBeg = 0x0200000000ull; static const uptr kHeapMemBeg = 0x0200000000ull;
static const uptr kHeapMemEnd = 0x0300000000ull; static const uptr kHeapMemEnd = 0x0300000000ull;
static const uptr kShadowBeg = 0x0400000000ull; static const uptr kShadowBeg = 0x0400000000ull;
static const uptr kShadowEnd = 0x0c00000000ull; static const uptr kShadowEnd = 0x0800000000ull;
static const uptr kMetaShadowBeg = 0x0d00000000ull; static const uptr kMetaShadowBeg = 0x0d00000000ull;
static const uptr kMetaShadowEnd = 0x0e00000000ull; static const uptr kMetaShadowEnd = 0x0e00000000ull;
static const uptr kHiAppMemBeg = 0x0fc0000000ull; static const uptr kHiAppMemBeg = 0x0fc0000000ull;
static const uptr kHiAppMemEnd = 0x0fc0000000ull; static const uptr kHiAppMemEnd = 0x0fc0000000ull;
static const uptr kShadowMsk = 0x0ull; static const uptr kShadowMsk = 0x0ull;
static const uptr kShadowXor = 0x0ull; static const uptr kShadowXor = 0x0ull;
static const uptr kShadowAdd = 0x0200000000ull; static const uptr kShadowAdd = 0x0200000000ull;
static const uptr kVdsoBeg = 0x7000000000000000ull; static const uptr kVdsoBeg = 0x7000000000000000ull;
static const uptr kMidAppMemBeg = 0; static const uptr kMidAppMemBeg = 0;
static const uptr kMidAppMemEnd = 0; static const uptr kMidAppMemEnd = 0;
}; };
/* /*
C/C++ on linux/aarch64 (39-bit VMA) C/C++ on linux/aarch64 (39-bit VMA)
0000 0010 00 - 0100 0000 00: main binary 0000 0010 00 - 0100 0000 00: main binary
0100 0000 00 - 0400 0000 00: - 0100 0000 00 - 0400 0000 00: -
0400 0000 00 - 2000 0000 00: shadow memory 0400 0000 00 - 1000 0000 00: shadow memory
2000 0000 00 - 3100 0000 00: - 2000 0000 00 - 3100 0000 00: -
3100 0000 00 - 3400 0000 00: metainfo 3100 0000 00 - 3400 0000 00: metainfo
3400 0000 00 - 5500 0000 00: - 3400 0000 00 - 5500 0000 00: -
5500 0000 00 - 5600 0000 00: main binary (PIE) 5500 0000 00 - 5600 0000 00: main binary (PIE)
5600 0000 00 - 7c00 0000 00: - 5600 0000 00 - 7c00 0000 00: -
7c00 0000 00 - 7d00 0000 00: heap 7c00 0000 00 - 7d00 0000 00: heap
7d00 0000 00 - 7fff ffff ff: modules and main thread stack 7d00 0000 00 - 7fff ffff ff: modules and main thread stack
*/ */
struct MappingAarch64_39 { struct MappingAarch64_39 {
static const uptr kLoAppMemBeg = 0x0000001000ull; static const uptr kLoAppMemBeg = 0x0000001000ull;
static const uptr kLoAppMemEnd = 0x0100000000ull; static const uptr kLoAppMemEnd = 0x0100000000ull;
static const uptr kShadowBeg = 0x0400000000ull; static const uptr kShadowBeg = 0x0400000000ull;
static const uptr kShadowEnd = 0x2000000000ull; static const uptr kShadowEnd = 0x1000000000ull;
static const uptr kMetaShadowBeg = 0x3100000000ull; static const uptr kMetaShadowBeg = 0x3100000000ull;
static const uptr kMetaShadowEnd = 0x3400000000ull; static const uptr kMetaShadowEnd = 0x3400000000ull;
static const uptr kMidAppMemBeg = 0x5500000000ull; static const uptr kMidAppMemBeg = 0x5500000000ull;
static const uptr kMidAppMemEnd = 0x5600000000ull; static const uptr kMidAppMemEnd = 0x5600000000ull;
static const uptr kHeapMemBeg = 0x7c00000000ull; static const uptr kHeapMemBeg = 0x7c00000000ull;
static const uptr kHeapMemEnd = 0x7d00000000ull; static const uptr kHeapMemEnd = 0x7d00000000ull;
static const uptr kHiAppMemBeg = 0x7e00000000ull; static const uptr kHiAppMemBeg = 0x7e00000000ull;
static const uptr kHiAppMemEnd = 0x7fffffffffull; static const uptr kHiAppMemEnd = 0x7fffffffffull;
static const uptr kShadowMsk = 0x7800000000ull; static const uptr kShadowMsk = 0x7800000000ull;
static const uptr kShadowXor = 0x0200000000ull; static const uptr kShadowXor = 0x0200000000ull;
static const uptr kShadowAdd = 0x0000000000ull; static const uptr kShadowAdd = 0x0000000000ull;
static const uptr kVdsoBeg = 0x7f00000000ull; static const uptr kVdsoBeg = 0x7f00000000ull;
}; };
/* /*
C/C++ on linux/aarch64 (42-bit VMA) C/C++ on linux/aarch64 (42-bit VMA)
00000 0010 00 - 01000 0000 00: main binary 00000 0010 00 - 01000 0000 00: main binary
01000 0000 00 - 08000 0000 00: - 01000 0000 00 - 08000 0000 00: -
08000 0000 00 - 20000 0000 00: shadow memory 08000 0000 00 - 10000 0000 00: shadow memory
20000 0000 00 - 26000 0000 00: - 10000 0000 00 - 26000 0000 00: -
26000 0000 00 - 28000 0000 00: metainfo 26000 0000 00 - 28000 0000 00: metainfo
28000 0000 00 - 2aa00 0000 00: - 28000 0000 00 - 2aa00 0000 00: -
2aa00 0000 00 - 2ab00 0000 00: main binary (PIE) 2aa00 0000 00 - 2ab00 0000 00: main binary (PIE)
2ab00 0000 00 - 3e000 0000 00: - 2ab00 0000 00 - 3e000 0000 00: -
3e000 0000 00 - 3f000 0000 00: heap 3e000 0000 00 - 3f000 0000 00: heap
3f000 0000 00 - 3ffff ffff ff: modules and main thread stack 3f000 0000 00 - 3ffff ffff ff: modules and main thread stack
*/ */
struct MappingAarch64_42 { struct MappingAarch64_42 {
static const uptr kBroken = kBrokenReverseMapping; static const uptr kBroken = kBrokenReverseMapping;
static const uptr kLoAppMemBeg = 0x00000001000ull; static const uptr kLoAppMemBeg = 0x00000001000ull;
static const uptr kLoAppMemEnd = 0x01000000000ull; static const uptr kLoAppMemEnd = 0x01000000000ull;
static const uptr kShadowBeg = 0x08000000000ull; static const uptr kShadowBeg = 0x08000000000ull;
static const uptr kShadowEnd = 0x20000000000ull; static const uptr kShadowEnd = 0x10000000000ull;
static const uptr kMetaShadowBeg = 0x26000000000ull; static const uptr kMetaShadowBeg = 0x26000000000ull;
static const uptr kMetaShadowEnd = 0x28000000000ull; static const uptr kMetaShadowEnd = 0x28000000000ull;
static const uptr kMidAppMemBeg = 0x2aa00000000ull; static const uptr kMidAppMemBeg = 0x2aa00000000ull;
static const uptr kMidAppMemEnd = 0x2ab00000000ull; static const uptr kMidAppMemEnd = 0x2ab00000000ull;
static const uptr kHeapMemBeg = 0x3e000000000ull; static const uptr kHeapMemBeg = 0x3e000000000ull;
static const uptr kHeapMemEnd = 0x3f000000000ull; static const uptr kHeapMemEnd = 0x3f000000000ull;
static const uptr kHiAppMemBeg = 0x3f000000000ull; static const uptr kHiAppMemBeg = 0x3f000000000ull;
static const uptr kHiAppMemEnd = 0x3ffffffffffull; static const uptr kHiAppMemEnd = 0x3ffffffffffull;
static const uptr kShadowMsk = 0x3c000000000ull; static const uptr kShadowMsk = 0x3c000000000ull;
static const uptr kShadowXor = 0x04000000000ull; static const uptr kShadowXor = 0x04000000000ull;
static const uptr kShadowAdd = 0x00000000000ull; static const uptr kShadowAdd = 0x00000000000ull;
static const uptr kVdsoBeg = 0x37f00000000ull; static const uptr kVdsoBeg = 0x37f00000000ull;
}; };
struct MappingAarch64_48 { struct MappingAarch64_48 {
static const uptr kLoAppMemBeg = 0x0000000001000ull; static const uptr kLoAppMemBeg = 0x0000000001000ull;
static const uptr kLoAppMemEnd = 0x0000200000000ull; static const uptr kLoAppMemEnd = 0x0000200000000ull;
static const uptr kShadowBeg = 0x0001000000000ull; static const uptr kShadowBeg = 0x0001000000000ull;
static const uptr kShadowEnd = 0x0004000000000ull; static const uptr kShadowEnd = 0x0002000000000ull;
static const uptr kMetaShadowBeg = 0x0005000000000ull; static const uptr kMetaShadowBeg = 0x0005000000000ull;
static const uptr kMetaShadowEnd = 0x0006000000000ull; static const uptr kMetaShadowEnd = 0x0006000000000ull;
static const uptr kMidAppMemBeg = 0x0aaaa00000000ull; static const uptr kMidAppMemBeg = 0x0aaaa00000000ull;
static const uptr kMidAppMemEnd = 0x0aaaf00000000ull; static const uptr kMidAppMemEnd = 0x0aaaf00000000ull;
static const uptr kHeapMemBeg = 0x0ffff00000000ull; static const uptr kHeapMemBeg = 0x0ffff00000000ull;
static const uptr kHeapMemEnd = 0x0ffff00000000ull; static const uptr kHeapMemEnd = 0x0ffff00000000ull;
static const uptr kHiAppMemBeg = 0x0ffff00000000ull; static const uptr kHiAppMemBeg = 0x0ffff00000000ull;
static const uptr kHiAppMemEnd = 0x1000000000000ull; static const uptr kHiAppMemEnd = 0x1000000000000ull;
Show All 35 Linesstruct MappingPPC64_44 {
static const uptr kMidAppMemBeg = 0; static const uptr kMidAppMemBeg = 0;
static const uptr kMidAppMemEnd = 0; static const uptr kMidAppMemEnd = 0;
}; };
/* /*
C/C++ on linux/powerpc64 (46-bit VMA) C/C++ on linux/powerpc64 (46-bit VMA)
0000 0000 1000 - 0100 0000 0000: main binary 0000 0000 1000 - 0100 0000 0000: main binary
0100 0000 0000 - 0200 0000 0000: - 0100 0000 0000 - 0200 0000 0000: -
0100 0000 0000 - 1000 0000 0000: shadow 0100 0000 0000 - 0800 0000 0000: shadow
1000 0000 0000 - 1000 0000 0000: - 0800 0000 0000 - 1000 0000 0000: -
1000 0000 0000 - 2000 0000 0000: metainfo (memory blocks and sync objects) 1000 0000 0000 - 1200 0000 0000: metainfo (memory blocks and sync objects)
2000 0000 0000 - 2000 0000 0000: -
1200 0000 0000 - 3d00 0000 0000: - 1200 0000 0000 - 3d00 0000 0000: -
3d00 0000 0000 - 3e00 0000 0000: heap 3d00 0000 0000 - 3e00 0000 0000: heap
3e00 0000 0000 - 3e80 0000 0000: - 3e00 0000 0000 - 3e80 0000 0000: -
3e80 0000 0000 - 4000 0000 0000: modules and main thread stack 3e80 0000 0000 - 4000 0000 0000: modules and main thread stack
*/ */
struct MappingPPC64_46 { struct MappingPPC64_46 {
static const uptr kMetaShadowBeg = 0x100000000000ull; static const uptr kMetaShadowBeg = 0x100000000000ull;
static const uptr kMetaShadowEnd = 0x200000000000ull; static const uptr kMetaShadowEnd = 0x120000000000ull;
static const uptr kShadowBeg = 0x010000000000ull; static const uptr kShadowBeg = 0x010000000000ull;
static const uptr kShadowEnd = 0x100000000000ull; static const uptr kShadowEnd = 0x080000000000ull;
static const uptr kHeapMemBeg = 0x3d0000000000ull; static const uptr kHeapMemBeg = 0x3d0000000000ull;
static const uptr kHeapMemEnd = 0x3e0000000000ull; static const uptr kHeapMemEnd = 0x3e0000000000ull;
static const uptr kLoAppMemBeg = 0x000000001000ull; static const uptr kLoAppMemBeg = 0x000000001000ull;
static const uptr kLoAppMemEnd = 0x010000000000ull; static const uptr kLoAppMemEnd = 0x010000000000ull;
static const uptr kHiAppMemBeg = 0x3e8000000000ull; static const uptr kHiAppMemBeg = 0x3e8000000000ull;
static const uptr kHiAppMemEnd = 0x400000000000ull; // 46 bits static const uptr kHiAppMemEnd = 0x400000000000ull; // 46 bits
static const uptr kShadowMsk = 0x3c0000000000ull; static const uptr kShadowMsk = 0x3c0000000000ull;
static const uptr kShadowXor = 0x020000000000ull; static const uptr kShadowXor = 0x020000000000ull;
static const uptr kShadowAdd = 0x000000000000ull; static const uptr kShadowAdd = 0x000000000000ull;
static const uptr kVdsoBeg = 0x7800000000000000ull; static const uptr kVdsoBeg = 0x7800000000000000ull;
static const uptr kMidAppMemBeg = 0; static const uptr kMidAppMemBeg = 0;
static const uptr kMidAppMemEnd = 0; static const uptr kMidAppMemEnd = 0;
}; };
/* /*
C/C++ on linux/powerpc64 (47-bit VMA) C/C++ on linux/powerpc64 (47-bit VMA)
0000 0000 1000 - 0100 0000 0000: main binary 0000 0000 1000 - 0100 0000 0000: main binary
0100 0000 0000 - 0200 0000 0000: - 0100 0000 0000 - 0200 0000 0000: -
0100 0000 0000 - 1000 0000 0000: shadow 0100 0000 0000 - 0800 0000 0000: shadow
1000 0000 0000 - 1000 0000 0000: - 0800 0000 0000 - 1000 0000 0000: -
1000 0000 0000 - 2000 0000 0000: metainfo (memory blocks and sync objects) 1000 0000 0000 - 1200 0000 0000: metainfo (memory blocks and sync objects)
2000 0000 0000 - 7d00 0000 0000: - 1200 0000 0000 - 7d00 0000 0000: -
7d00 0000 0000 - 7e00 0000 0000: heap 7d00 0000 0000 - 7e00 0000 0000: heap
7e00 0000 0000 - 7e80 0000 0000: - 7e00 0000 0000 - 7e80 0000 0000: -
7e80 0000 0000 - 8000 0000 0000: modules and main thread stack 7e80 0000 0000 - 8000 0000 0000: modules and main thread stack
*/ */
struct MappingPPC64_47 { struct MappingPPC64_47 {
static const uptr kMetaShadowBeg = 0x100000000000ull; static const uptr kMetaShadowBeg = 0x100000000000ull;
static const uptr kMetaShadowEnd = 0x200000000000ull; static const uptr kMetaShadowEnd = 0x120000000000ull;
static const uptr kShadowBeg = 0x010000000000ull; static const uptr kShadowBeg = 0x010000000000ull;
static const uptr kShadowEnd = 0x100000000000ull; static const uptr kShadowEnd = 0x080000000000ull;
static const uptr kHeapMemBeg = 0x7d0000000000ull; static const uptr kHeapMemBeg = 0x7d0000000000ull;
static const uptr kHeapMemEnd = 0x7e0000000000ull; static const uptr kHeapMemEnd = 0x7e0000000000ull;
static const uptr kLoAppMemBeg = 0x000000001000ull; static const uptr kLoAppMemBeg = 0x000000001000ull;
static const uptr kLoAppMemEnd = 0x010000000000ull; static const uptr kLoAppMemEnd = 0x010000000000ull;
static const uptr kHiAppMemBeg = 0x7e8000000000ull; static const uptr kHiAppMemBeg = 0x7e8000000000ull;
static const uptr kHiAppMemEnd = 0x800000000000ull; // 47 bits static const uptr kHiAppMemEnd = 0x800000000000ull; // 47 bits
static const uptr kShadowMsk = 0x7c0000000000ull; static const uptr kShadowMsk = 0x7c0000000000ull;
static const uptr kShadowXor = 0x020000000000ull; static const uptr kShadowXor = 0x020000000000ull;
static const uptr kShadowAdd = 0x000000000000ull; static const uptr kShadowAdd = 0x000000000000ull;
static const uptr kVdsoBeg = 0x7800000000000000ull; static const uptr kVdsoBeg = 0x7800000000000000ull;
static const uptr kMidAppMemBeg = 0; static const uptr kMidAppMemBeg = 0;
static const uptr kMidAppMemEnd = 0; static const uptr kMidAppMemEnd = 0;
}; };
/* /*
C/C++ on linux/s390x C/C++ on linux/s390x
While the kernel provides a 64-bit address space, we have to restrict ourselves While the kernel provides a 64-bit address space, we have to restrict ourselves
to 48 bits due to how e.g. SyncVar::GetId() works. to 48 bits due to how e.g. SyncVar::GetId() works.
0000 0000 1000 - 0e00 0000 0000: binary, modules, stacks - 14 TiB 0000 0000 1000 - 0e00 0000 0000: binary, modules, stacks - 14 TiB
0e00 0000 0000 - 2000 0000 0000: - 0e00 0000 0000 - 2000 0000 0000: -
2000 0000 0000 - 8000 0000 0000: shadow - 64TiB (4 * app) 2000 0000 0000 - 4000 0000 0000: shadow - 32TiB (2 * app)
8000 0000 0000 - 9000 0000 0000: - 4000 0000 0000 - 9000 0000 0000: -
9000 0000 0000 - 9800 0000 0000: metainfo - 8TiB (0.5 * app) 9000 0000 0000 - 9800 0000 0000: metainfo - 8TiB (0.5 * app)
9800 0000 0000 - be00 0000 0000: - 9800 0000 0000 - be00 0000 0000: -
be00 0000 0000 - c000 0000 0000: heap - 2TiB (max supported by the allocator) be00 0000 0000 - c000 0000 0000: heap - 2TiB (max supported by the allocator)
*/ */
struct MappingS390x { struct MappingS390x {
static const uptr kMetaShadowBeg = 0x900000000000ull; static const uptr kMetaShadowBeg = 0x900000000000ull;
static const uptr kMetaShadowEnd = 0x980000000000ull; static const uptr kMetaShadowEnd = 0x980000000000ull;
static const uptr kShadowBeg = 0x200000000000ull; static const uptr kShadowBeg = 0x200000000000ull;
static const uptr kShadowEnd = 0x800000000000ull; static const uptr kShadowEnd = 0x400000000000ull;
static const uptr kHeapMemBeg = 0xbe0000000000ull; static const uptr kHeapMemBeg = 0xbe0000000000ull;
static const uptr kHeapMemEnd = 0xc00000000000ull; static const uptr kHeapMemEnd = 0xc00000000000ull;
static const uptr kLoAppMemBeg = 0x000000001000ull; static const uptr kLoAppMemBeg = 0x000000001000ull;
static const uptr kLoAppMemEnd = 0x0e0000000000ull; static const uptr kLoAppMemEnd = 0x0e0000000000ull;
static const uptr kHiAppMemBeg = 0xc00000004000ull; static const uptr kHiAppMemBeg = 0xc00000004000ull;
static const uptr kHiAppMemEnd = 0xc00000004000ull; static const uptr kHiAppMemEnd = 0xc00000004000ull;
static const uptr kShadowMsk = 0xb00000000000ull; static const uptr kShadowMsk = 0xb00000000000ull;
static const uptr kShadowXor = 0x100000000000ull; static const uptr kShadowXor = 0x100000000000ull;
static const uptr kShadowAdd = 0x000000000000ull; static const uptr kShadowAdd = 0x000000000000ull;
static const uptr kVdsoBeg = 0xfffffffff000ull; static const uptr kVdsoBeg = 0xfffffffff000ull;
static const uptr kMidAppMemBeg = 0; static const uptr kMidAppMemBeg = 0;
static const uptr kMidAppMemEnd = 0; static const uptr kMidAppMemEnd = 0;
}; };
/* Go on linux, darwin and freebsd on x86_64 /* Go on linux, darwin and freebsd on x86_64
0000 0000 1000 - 0000 1000 0000: executable 0000 0000 1000 - 0000 1000 0000: executable
0000 1000 0000 - 00c0 0000 0000: - 0000 1000 0000 - 00c0 0000 0000: -
00c0 0000 0000 - 00e0 0000 0000: heap 00c0 0000 0000 - 00e0 0000 0000: heap
00e0 0000 0000 - 2000 0000 0000: - 00e0 0000 0000 - 2000 0000 0000: -
2000 0000 0000 - 2380 0000 0000: shadow 2000 0000 0000 - 21c0 0000 0000: shadow
2380 0000 0000 - 3000 0000 0000: - 21c0 0000 0000 - 3000 0000 0000: -
3000 0000 0000 - 4000 0000 0000: metainfo (memory blocks and sync objects) 3000 0000 0000 - 4000 0000 0000: metainfo (memory blocks and sync objects)
4000 0000 0000 - 8000 0000 0000: - 4000 0000 0000 - 8000 0000 0000: -
*/ */
struct MappingGo48 { struct MappingGo48 {
static const uptr kMetaShadowBeg = 0x300000000000ull; static const uptr kMetaShadowBeg = 0x300000000000ull;
static const uptr kMetaShadowEnd = 0x400000000000ull; static const uptr kMetaShadowEnd = 0x400000000000ull;
static const uptr kShadowBeg = 0x200000000000ull; static const uptr kShadowBeg = 0x200000000000ull;
static const uptr kShadowEnd = 0x238000000000ull; static const uptr kShadowEnd = 0x21c000000000ull;
static const uptr kLoAppMemBeg = 0x000000001000ull; static const uptr kLoAppMemBeg = 0x000000001000ull;
static const uptr kLoAppMemEnd = 0x00e000000000ull; static const uptr kLoAppMemEnd = 0x00e000000000ull;
static const uptr kMidAppMemBeg = 0; static const uptr kMidAppMemBeg = 0;
static const uptr kMidAppMemEnd = 0; static const uptr kMidAppMemEnd = 0;
static const uptr kHiAppMemBeg = 0; static const uptr kHiAppMemBeg = 0;
static const uptr kHiAppMemEnd = 0; static const uptr kHiAppMemEnd = 0;
static const uptr kHeapMemBeg = 0; static const uptr kHeapMemBeg = 0;
static const uptr kHeapMemEnd = 0; static const uptr kHeapMemEnd = 0;
static const uptr kVdsoBeg = 0; static const uptr kVdsoBeg = 0;
static const uptr kShadowMsk = 0; static const uptr kShadowMsk = 0;
static const uptr kShadowXor = 0; static const uptr kShadowXor = 0;
static const uptr kShadowAdd = 0x200000000000ull; static const uptr kShadowAdd = 0x200000000000ull;
}; };
/* Go on windows /* Go on windows
0000 0000 1000 - 0000 1000 0000: executable 0000 0000 1000 - 0000 1000 0000: executable
0000 1000 0000 - 00f8 0000 0000: - 0000 1000 0000 - 00f8 0000 0000: -
00c0 0000 0000 - 00e0 0000 0000: heap 00c0 0000 0000 - 00e0 0000 0000: heap
00e0 0000 0000 - 0100 0000 0000: - 00e0 0000 0000 - 0100 0000 0000: -
0100 0000 0000 - 0500 0000 0000: shadow 0100 0000 0000 - 0300 0000 0000: shadow
0500 0000 0000 - 0700 0000 0000: - 0300 0000 0000 - 0700 0000 0000: -
0700 0000 0000 - 0770 0000 0000: metainfo (memory blocks and sync objects) 0700 0000 0000 - 0770 0000 0000: metainfo (memory blocks and sync objects)
07d0 0000 0000 - 8000 0000 0000: - 07d0 0000 0000 - 8000 0000 0000: -
*/ */
struct MappingGoWindows { struct MappingGoWindows {
static const uptr kMetaShadowBeg = 0x070000000000ull; static const uptr kMetaShadowBeg = 0x070000000000ull;
static const uptr kMetaShadowEnd = 0x077000000000ull; static const uptr kMetaShadowEnd = 0x077000000000ull;
static const uptr kShadowBeg = 0x010000000000ull; static const uptr kShadowBeg = 0x010000000000ull;
static const uptr kShadowEnd = 0x050000000000ull; static const uptr kShadowEnd = 0x030000000000ull;
static const uptr kLoAppMemBeg = 0x000000001000ull; static const uptr kLoAppMemBeg = 0x000000001000ull;
static const uptr kLoAppMemEnd = 0x00e000000000ull; static const uptr kLoAppMemEnd = 0x00e000000000ull;
static const uptr kMidAppMemBeg = 0; static const uptr kMidAppMemBeg = 0;
static const uptr kMidAppMemEnd = 0; static const uptr kMidAppMemEnd = 0;
static const uptr kHiAppMemBeg = 0; static const uptr kHiAppMemBeg = 0;
static const uptr kHiAppMemEnd = 0; static const uptr kHiAppMemEnd = 0;
static const uptr kHeapMemBeg = 0; static const uptr kHeapMemBeg = 0;
static const uptr kHeapMemEnd = 0; static const uptr kHeapMemEnd = 0;
static const uptr kVdsoBeg = 0; static const uptr kVdsoBeg = 0;
static const uptr kShadowMsk = 0; static const uptr kShadowMsk = 0;
static const uptr kShadowXor = 0; static const uptr kShadowXor = 0;
static const uptr kShadowAdd = 0x010000000000ull; static const uptr kShadowAdd = 0x010000000000ull;
}; };
/* Go on linux/powerpc64 (46-bit VMA) /* Go on linux/powerpc64 (46-bit VMA)
0000 0000 1000 - 0000 1000 0000: executable 0000 0000 1000 - 0000 1000 0000: executable
0000 1000 0000 - 00c0 0000 0000: - 0000 1000 0000 - 00c0 0000 0000: -
00c0 0000 0000 - 00e0 0000 0000: heap 00c0 0000 0000 - 00e0 0000 0000: heap
00e0 0000 0000 - 2000 0000 0000: - 00e0 0000 0000 - 2000 0000 0000: -
2000 0000 0000 - 2380 0000 0000: shadow 2000 0000 0000 - 21c0 0000 0000: shadow
2380 0000 0000 - 2400 0000 0000: - 21c0 0000 0000 - 2400 0000 0000: -
2400 0000 0000 - 3400 0000 0000: metainfo (memory blocks and sync objects) 2400 0000 0000 - 2470 0000 0000: metainfo (memory blocks and sync objects)
3400 0000 0000 - 4000 0000 0000: - 2470 0000 0000 - 4000 0000 0000: -
*/ */
struct MappingGoPPC64_46 { struct MappingGoPPC64_46 {
static const uptr kMetaShadowBeg = 0x240000000000ull; static const uptr kMetaShadowBeg = 0x240000000000ull;
static const uptr kMetaShadowEnd = 0x340000000000ull; static const uptr kMetaShadowEnd = 0x247000000000ull;
static const uptr kShadowBeg = 0x200000000000ull; static const uptr kShadowBeg = 0x200000000000ull;
static const uptr kShadowEnd = 0x238000000000ull; static const uptr kShadowEnd = 0x21c000000000ull;
static const uptr kLoAppMemBeg = 0x000000001000ull; static const uptr kLoAppMemBeg = 0x000000001000ull;
static const uptr kLoAppMemEnd = 0x00e000000000ull; static const uptr kLoAppMemEnd = 0x00e000000000ull;
static const uptr kMidAppMemBeg = 0; static const uptr kMidAppMemBeg = 0;
static const uptr kMidAppMemEnd = 0; static const uptr kMidAppMemEnd = 0;
static const uptr kHiAppMemBeg = 0; static const uptr kHiAppMemBeg = 0;
static const uptr kHiAppMemEnd = 0; static const uptr kHiAppMemEnd = 0;
static const uptr kHeapMemBeg = 0; static const uptr kHeapMemBeg = 0;
static const uptr kHeapMemEnd = 0; static const uptr kHeapMemEnd = 0;
static const uptr kVdsoBeg = 0; static const uptr kVdsoBeg = 0;
static const uptr kShadowMsk = 0; static const uptr kShadowMsk = 0;
static const uptr kShadowXor = 0; static const uptr kShadowXor = 0;
static const uptr kShadowAdd = 0x200000000000ull; static const uptr kShadowAdd = 0x200000000000ull;
}; };
/* Go on linux/powerpc64 (47-bit VMA) /* Go on linux/powerpc64 (47-bit VMA)
0000 0000 1000 - 0000 1000 0000: executable 0000 0000 1000 - 0000 1000 0000: executable
0000 1000 0000 - 00c0 0000 0000: - 0000 1000 0000 - 00c0 0000 0000: -
00c0 0000 0000 - 00e0 0000 0000: heap 00c0 0000 0000 - 00e0 0000 0000: heap
00e0 0000 0000 - 2000 0000 0000: - 00e0 0000 0000 - 2000 0000 0000: -
2000 0000 0000 - 3000 0000 0000: shadow 2000 0000 0000 - 2800 0000 0000: shadow
3000 0000 0000 - 3000 0000 0000: - 2800 0000 0000 - 3000 0000 0000: -
3000 0000 0000 - 4000 0000 0000: metainfo (memory blocks and sync objects) 3000 0000 0000 - 3200 0000 0000: metainfo (memory blocks and sync objects)
4000 0000 0000 - 8000 0000 0000: - 3200 0000 0000 - 8000 0000 0000: -
*/ */
struct MappingGoPPC64_47 { struct MappingGoPPC64_47 {
static const uptr kMetaShadowBeg = 0x300000000000ull; static const uptr kMetaShadowBeg = 0x300000000000ull;
static const uptr kMetaShadowEnd = 0x400000000000ull; static const uptr kMetaShadowEnd = 0x320000000000ull;
static const uptr kShadowBeg = 0x200000000000ull; static const uptr kShadowBeg = 0x200000000000ull;
static const uptr kShadowEnd = 0x300000000000ull; static const uptr kShadowEnd = 0x280000000000ull;
static const uptr kLoAppMemBeg = 0x000000001000ull; static const uptr kLoAppMemBeg = 0x000000001000ull;
static const uptr kLoAppMemEnd = 0x00e000000000ull; static const uptr kLoAppMemEnd = 0x00e000000000ull;
static const uptr kMidAppMemBeg = 0; static const uptr kMidAppMemBeg = 0;
static const uptr kMidAppMemEnd = 0; static const uptr kMidAppMemEnd = 0;
static const uptr kHiAppMemBeg = 0; static const uptr kHiAppMemBeg = 0;
static const uptr kHiAppMemEnd = 0; static const uptr kHiAppMemEnd = 0;
static const uptr kHeapMemBeg = 0; static const uptr kHeapMemBeg = 0;
static const uptr kHeapMemEnd = 0; static const uptr kHeapMemEnd = 0;
static const uptr kVdsoBeg = 0; static const uptr kVdsoBeg = 0;
static const uptr kShadowMsk = 0; static const uptr kShadowMsk = 0;
static const uptr kShadowXor = 0; static const uptr kShadowXor = 0;
static const uptr kShadowAdd = 0x200000000000ull; static const uptr kShadowAdd = 0x200000000000ull;
}; };
/* Go on linux/aarch64 (48-bit VMA) and darwin/aarch64 (47-bit VMA) /* Go on linux/aarch64 (48-bit VMA) and darwin/aarch64 (47-bit VMA)
0000 0000 1000 - 0000 1000 0000: executable 0000 0000 1000 - 0000 1000 0000: executable
0000 1000 0000 - 00c0 0000 0000: - 0000 1000 0000 - 00c0 0000 0000: -
00c0 0000 0000 - 00e0 0000 0000: heap 00c0 0000 0000 - 00e0 0000 0000: heap
00e0 0000 0000 - 2000 0000 0000: - 00e0 0000 0000 - 2000 0000 0000: -
2000 0000 0000 - 3000 0000 0000: shadow 2000 0000 0000 - 2800 0000 0000: shadow
3000 0000 0000 - 3000 0000 0000: - 2800 0000 0000 - 3000 0000 0000: -
3000 0000 0000 - 4000 0000 0000: metainfo (memory blocks and sync objects) 3000 0000 0000 - 3200 0000 0000: metainfo (memory blocks and sync objects)
4000 0000 0000 - 8000 0000 0000: - 3200 0000 0000 - 8000 0000 0000: -
*/ */
struct MappingGoAarch64 { struct MappingGoAarch64 {
static const uptr kMetaShadowBeg = 0x300000000000ull; static const uptr kMetaShadowBeg = 0x300000000000ull;
static const uptr kMetaShadowEnd = 0x400000000000ull; static const uptr kMetaShadowEnd = 0x320000000000ull;
static const uptr kShadowBeg = 0x200000000000ull; static const uptr kShadowBeg = 0x200000000000ull;
static const uptr kShadowEnd = 0x300000000000ull; static const uptr kShadowEnd = 0x280000000000ull;
static const uptr kLoAppMemBeg = 0x000000001000ull; static const uptr kLoAppMemBeg = 0x000000001000ull;
static const uptr kLoAppMemEnd = 0x00e000000000ull; static const uptr kLoAppMemEnd = 0x00e000000000ull;
static const uptr kMidAppMemBeg = 0; static const uptr kMidAppMemBeg = 0;
static const uptr kMidAppMemEnd = 0; static const uptr kMidAppMemEnd = 0;
static const uptr kHiAppMemBeg = 0; static const uptr kHiAppMemBeg = 0;
static const uptr kHiAppMemEnd = 0; static const uptr kHiAppMemEnd = 0;
static const uptr kHeapMemBeg = 0; static const uptr kHeapMemBeg = 0;
static const uptr kHeapMemEnd = 0; static const uptr kHeapMemEnd = 0;
static const uptr kVdsoBeg = 0; static const uptr kVdsoBeg = 0;
static const uptr kShadowMsk = 0; static const uptr kShadowMsk = 0;
static const uptr kShadowXor = 0; static const uptr kShadowXor = 0;
static const uptr kShadowAdd = 0x200000000000ull; static const uptr kShadowAdd = 0x200000000000ull;
}; };
/* /*
Go on linux/mips64 (47-bit VMA) Go on linux/mips64 (47-bit VMA)
0000 0000 1000 - 0000 1000 0000: executable 0000 0000 1000 - 0000 1000 0000: executable
0000 1000 0000 - 00c0 0000 0000: - 0000 1000 0000 - 00c0 0000 0000: -
00c0 0000 0000 - 00e0 0000 0000: heap 00c0 0000 0000 - 00e0 0000 0000: heap
00e0 0000 0000 - 2000 0000 0000: - 00e0 0000 0000 - 2000 0000 0000: -
2000 0000 0000 - 3000 0000 0000: shadow 2000 0000 0000 - 2800 0000 0000: shadow
3000 0000 0000 - 3000 0000 0000: - 2800 0000 0000 - 3000 0000 0000: -
3000 0000 0000 - 4000 0000 0000: metainfo (memory blocks and sync objects) 3000 0000 0000 - 3200 0000 0000: metainfo (memory blocks and sync objects)
3200 0000 0000 - 8000 0000 0000: - 3200 0000 0000 - 8000 0000 0000: -
*/ */
struct MappingGoMips64_47 { struct MappingGoMips64_47 {
static const uptr kMetaShadowBeg = 0x300000000000ull; static const uptr kMetaShadowBeg = 0x300000000000ull;
static const uptr kMetaShadowEnd = 0x400000000000ull; static const uptr kMetaShadowEnd = 0x320000000000ull;
static const uptr kShadowBeg = 0x200000000000ull; static const uptr kShadowBeg = 0x200000000000ull;
static const uptr kShadowEnd = 0x300000000000ull; static const uptr kShadowEnd = 0x280000000000ull;
static const uptr kLoAppMemBeg = 0x000000001000ull; static const uptr kLoAppMemBeg = 0x000000001000ull;
static const uptr kLoAppMemEnd = 0x00e000000000ull; static const uptr kLoAppMemEnd = 0x00e000000000ull;
static const uptr kMidAppMemBeg = 0; static const uptr kMidAppMemBeg = 0;
static const uptr kMidAppMemEnd = 0; static const uptr kMidAppMemEnd = 0;
static const uptr kHiAppMemBeg = 0; static const uptr kHiAppMemBeg = 0;
static const uptr kHiAppMemEnd = 0; static const uptr kHiAppMemEnd = 0;
static const uptr kHeapMemBeg = 0; static const uptr kHeapMemBeg = 0;
static const uptr kHeapMemEnd = 0; static const uptr kHeapMemEnd = 0;
static const uptr kVdsoBeg = 0; static const uptr kVdsoBeg = 0;
static const uptr kShadowMsk = 0; static const uptr kShadowMsk = 0;
static const uptr kShadowXor = 0; static const uptr kShadowXor = 0;
static const uptr kShadowAdd = 0x200000000000ull; static const uptr kShadowAdd = 0x200000000000ull;
}; };
/* /*
Go on linux/s390x Go on linux/s390x
0000 0000 1000 - 1000 0000 0000: executable and heap - 16 TiB 0000 0000 1000 - 1000 0000 0000: executable and heap - 16 TiB
1000 0000 0000 - 4000 0000 0000: - 1000 0000 0000 - 4000 0000 0000: -
4000 0000 0000 - 8000 0000 0000: shadow - 64TiB (4 * app) 4000 0000 0000 - 6000 0000 0000: shadow - 64TiB (4 * app)
8000 0000 0000 - 9000 0000 0000: - 6000 0000 0000 - 9000 0000 0000: -
9000 0000 0000 - 9800 0000 0000: metainfo - 8TiB (0.5 * app) 9000 0000 0000 - 9800 0000 0000: metainfo - 8TiB (0.5 * app)
*/ */
struct MappingGoS390x { struct MappingGoS390x {
static const uptr kMetaShadowBeg = 0x900000000000ull; static const uptr kMetaShadowBeg = 0x900000000000ull;
static const uptr kMetaShadowEnd = 0x980000000000ull; static const uptr kMetaShadowEnd = 0x980000000000ull;
static const uptr kShadowBeg = 0x400000000000ull; static const uptr kShadowBeg = 0x400000000000ull;
static const uptr kShadowEnd = 0x800000000000ull; static const uptr kShadowEnd = 0x600000000000ull;
static const uptr kLoAppMemBeg = 0x000000001000ull; static const uptr kLoAppMemBeg = 0x000000001000ull;
static const uptr kLoAppMemEnd = 0x100000000000ull; static const uptr kLoAppMemEnd = 0x100000000000ull;
static const uptr kMidAppMemBeg = 0; static const uptr kMidAppMemBeg = 0;
static const uptr kMidAppMemEnd = 0; static const uptr kMidAppMemEnd = 0;
static const uptr kHiAppMemBeg = 0; static const uptr kHiAppMemBeg = 0;
static const uptr kHiAppMemEnd = 0; static const uptr kHiAppMemEnd = 0;
static const uptr kHeapMemBeg = 0; static const uptr kHeapMemBeg = 0;
static const uptr kHeapMemEnd = 0; static const uptr kHeapMemEnd = 0;
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