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Why are system call numbers for `x86-64` and `x32` different but similar, and why are some not defined in unistd_x32.h?

score 587 · Answer 1 · 2022-11-06T11:00:59.443000

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587

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Why are system call numbers for `x86-64` and `x32` different but similar, and why are some not defined in unistd_x32.h?

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score 351 · Answer 2 · 2019-08-19T11:48:52.043000

how signal handle in user space get siginfo and ucontext?

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score 343 · Answer 3 · 2017-04-12T08:27:24.017000

x32 executables in fasm

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score 462 · Answer 4 · 2017-01-08T01:38:25.227000

X32 and __gnu_cxx::__exchange_and_add_single?

462 views Asked by jww At 08 January 2017 at 01:38

score 606 · Answer 5 · 2016-11-17T13:41:37.963000

How to disassemble line by line from stdin?

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score 146 · Answer 6 · 2016-05-23T09:25:47.373000

g++ object file argument position matters and gives different results unable to compile normally

146 views Asked by George Kourtis At 23 May 2016 at 09:25

score 835 · Answer 7 · 2016-04-30T22:51:22.580000

How should the [u]int_fastN_t types be defined for x86_64, with or without the x32 ABI?

835 views Asked by Keith Thompson At 30 April 2016 at 22:51

score 5229 · Answer 8 · 2016-04-01T02:34:12.397000

difference between i386:x64-32 vs i386 vs i386:x86_64

5.2k views Asked by Santhosh Kumar At 01 April 2016 at 02:34

score 2011 · Answer 9 · 2015-12-01T02:43:37.990000

Is ILP32 and i386 a valid configuration?

2k views Asked by jww At 01 December 2015 at 02:43

score 530 · Answer 10 · 2015-11-10T13:50:34.793000

Error: no instruction for this cpu level (or, force REX prefix)

530 views Asked by jww At 10 November 2015 at 13:50

score 1308 · Answer 11 · 2015-10-19T21:11:54.787000

Can't link shared library with -mx32 and gcc 4.7 or gcc 4.8

1.3k views Asked by skelliam At 19 October 2015 at 21:11

score 173 · Answer 12 · 2015-09-22T12:38:00.473000

Bus error when executing `emms` MMX instruction

173 views Asked by jww At 22 September 2015 at 12:38

score 1094 · Answer 13 · 2015-09-20T02:56:31.950000

How to detect X32 on Windows?

1k views Asked by jww At 20 September 2015 at 02:56

score 1142 · Answer 14 · 2015-09-18T06:19:53.963000

How to detect X32 ABI or environment in the preprocessor?

1.1k views Asked by jww At 18 September 2015 at 06:19

score 2178 · Answer 15 · 2014-02-03T11:02:33.587000

64-bit executable runs slower than 32-bit version

2.1k views Asked by ajay At 03 February 2014 at 11:02

score 840 · Answer 16 · 2013-04-27T13:27:16.003000

What must be recompiled to run a x32 ABI application?

840 views Asked by Lorenzo Pistone At 27 April 2013 at 13:27

score 348 · Answer 17 · 2012-11-30T05:44:24.180000

x32 ABI is this a tool, how to use this?

348 views Asked by Sravani Jobinit At 30 November 2012 at 05:44

score 773 · Answer 18 · 2012-10-15T19:56:50.233000

What <4GB workloads would have worse performance in the Linux x32 ABI than x64?

773 views Asked by Joseph Garvin At 15 October 2012 at 19:56

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Difference between x86, x32, and x64 architectures?

148.7k views Asked by getjish At 03 October 2011 at 12:32

TechQA.

List Question

Why are system call numbers for `x86-64` and `x32` different but similar, and why are some not defined in unistd_x32.h?

how signal handle in user space get siginfo and ucontext?

x32 executables in fasm

X32 and __gnu_cxx::__exchange_and_add_single?

How to disassemble line by line from stdin?

g++ object file argument position matters and gives different results unable to compile normally

How should the [u]int_fastN_t types be defined for x86_64, with or without the x32 ABI?

difference between i386:x64-32 vs i386 vs i386:x86_64

Is ILP32 and i386 a valid configuration?

Error: no instruction for this cpu level (or, force REX prefix)

Can't link shared library with -mx32 and gcc 4.7 or gcc 4.8

Bus error when executing `emms` MMX instruction

How to detect X32 on Windows?

How to detect X32 ABI or environment in the preprocessor?

64-bit executable runs slower than 32-bit version

What must be recompiled to run a x32 ABI application?

x32 ABI is this a tool, how to use this?

What <4GB workloads would have worse performance in the Linux x32 ABI than x64?

Difference between x86, x32, and x64 architectures?

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