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7b0c124970
The tests are not compatible with ilp32 abi: the GNU property note is ABI dependent (size changes) and the disasm is ABI dependent too. Making the test portable between the ABIs is not trivial. For now force lp64 abi.
83 lines
2.2 KiB
Makefile
83 lines
2.2 KiB
Makefile
#name: Check linker stubs with indirect calls handle BTI (shared lib).
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#source: bti-far.s
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#target: [check_shared_lib_support]
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#ld: -shared -T bti-far.ld
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#objdump: -dr
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[^:]*: *file format elf64-.*aarch64
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Disassembly of section \.plt:
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0000000000018000 <\.plt>:
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18000: d503245f bti c
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18004: a9bf7bf0 stp x16, x30, \[sp, #-16\]!
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18008: 900000d0 adrp x16, 30000 <_GLOBAL_OFFSET_TABLE_>
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1800c: f9400e11 ldr x17, \[x16, #24\]
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18010: 91006210 add x16, x16, #0x18
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18014: d61f0220 br x17
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18018: d503201f nop
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1801c: d503201f nop
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0000000000018020 <foo@plt>:
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18020: 900000d0 adrp x16, 30000 <_GLOBAL_OFFSET_TABLE_>
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18024: f9401211 ldr x17, \[x16, #32\]
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18028: 91008210 add x16, x16, #0x20
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1802c: d61f0220 br x17
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18030: 14000004 b 18040 <__foo_bti_veneer\+0x8>
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18034: d503201f nop
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0000000000018038 <__foo_bti_veneer>:
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18038: d503245f bti c
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1803c: 17fffff9 b 18020 <foo@plt>
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Disassembly of section \.text:
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0000000000020000 <_start>:
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20000: 97ffe008 bl 18020 <foo@plt>
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20004: 94000007 bl 20020 <___veneer>
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20008: 94000001 bl 2000c <baz>
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000000000002000c <baz>:
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2000c: d65f03c0 ret
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20010: 1400000a b 20038 <___veneer\+0x18>
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20014: d503201f nop
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0000000000020018 <___bti_veneer>:
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20018: d503245f bti c
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2001c: 17fffffc b 2000c <baz>
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0000000000020020 <___veneer>:
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20020: 90091910 adrp x16, 12340000 <foo>
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20024: 91012210 add x16, x16, #0x48
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20028: d61f0200 br x16
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\.\.\.
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Disassembly of section \.far:
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0000000012340000 <foo>:
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12340000: 9400000c bl 12340030 <___veneer>
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0000000012340004 <bar>:
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12340004: 9400000b bl 12340030 <___veneer>
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12340008: 94000004 bl 12340018 <__foo_veneer>
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1234000c: 00000000 udf #0
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12340010: 14000010 b 12340050 <___bti_veneer\+0x8>
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12340014: d503201f nop
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0000000012340018 <__foo_veneer>:
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12340018: 90f6e6d0 adrp x16, 18000 <\.plt>
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1234001c: 9100e210 add x16, x16, #0x38
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12340020: d61f0200 br x16
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\.\.\.
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0000000012340030 <___veneer>:
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12340030: 90f6e710 adrp x16, 20000 <_start>
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12340034: 91006210 add x16, x16, #0x18
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12340038: d61f0200 br x16
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\.\.\.
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0000000012340048 <___bti_veneer>:
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12340048: d503245f bti c
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1234004c: 17ffffee b 12340004 <bar>
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