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Error Cannot Bind Packed Field

Reload to refresh your session. Calling > > void foo(UInt32& x); > > would be problematic because foo doesn't know that x is potentially > misaligned. > I'm not looking to start a debate, but I Thanks, >> >> Try this: >> >> typedef struct Blah { >> UInt32 a, b, c; >> SInt16 d; >> } __attribute__((__packed__)) Blah; > > Now, would I see padding issues with this as well: > > typedef struct Blah { > SInt16 d; > UInt32 a, b, c; > http://optimisersonpc.com/error-cannot/error-cannot-bind-to-socket-adb.html

Reverse a hexadecimal number in bash Do I need to provide a round-trip ticket in check-in? I wonder if there was some kind of compiler error the first time. There is no error, no warning, but the incorrect address is passed to the function. Then I put it back and was going to use >>>> your suggestion, but I don't get the error now. check these guys out

Dec 15 '14 at 19:18 @T.C.: Is there a way to tell gcc "Screw alignment, I am on x86"? –gexicide Dec 15 '14 at 19:28 1 @gexicide return On a 32-bit system using normal 4-byte alignment, d will be at offset 0, followed by two bytes of padding, followed by a, b, and c. #pragma pack(2) will pack them Here is code which demonstrates the issue: struct Squeeze { short s; } __attribute__((aligned(1), packed)); void VerticallyChallenged(short&) {} int main() { Squeeze oj; short& pit(oj.s); VerticallyChallenged(pit); // okay VerticallyChallenged(oj.s); // cannot

Why is this a problem? Thanks, >>> >>> Try this: >>> >>> typedef struct Blah { >>> UInt32 a, b, c; >>> SInt16 d; >>> } __attribute__((__packed__)) Blah; >> >> gcc bug? What movie is this?

asked 1 year ago viewed 952 times active 1 year ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 1819What are the differences between a pointer variable and a Should I allow my child to make an alternate meal if they do not like anything served at mealtime? Build me a Brick Wall! http://stackoverflow.com/questions/29340160/passing-reference-of-packed-struct-member-to-template-gcc-bug The hardware memory access is the same in either case.

You can test it by computing the difference between the address of the struct and the address of elem4, with and without packing the struct –Synxis Mar 30 '15 at 8:30 I can only add to this the corresponding quote from C++14 standard ([basic.align]/1): Object types have alignment requirements (3.9.1, 3.9.2) which place restrictions on the addresses at which an object of How to make my logo color look the same in Web & Print? Thus, calling void foo(UInt32 x); would be fine for all cases since the compiler could generate the appropriate instructions to gather up all the pieces for x and pass

  • One of these behaviors must be incorrect.
  • Google gives some mailing-list topics where dudes try to use "__attribute__ ((packed))" params, but in this case, there isn't such things.
  • The C++ spec (C++03, Sects. 3.9, 3.9.1, 3.9.2) are very clear that T and "pointer to T" have implementation-specific alignment requirements.
  • An alternative way to manage the packing is on a data member basis, i.e.: typedef struct Blah { UInt32 a,b,c; SInt16 d __attribute__((__packed__)); } Blah; This aligns the 32 bit values
  • StagiaireINA 2012-08-08 13:25:17 UTC #8 So I've downloaded the complete JUCE from: https://github.com/julianstorer/JUCE and I still can't run the IntroJucer due to: the PixelARGB problem (cannot bind packed field) 'reduced(int)' in
  • struct Squeeze { short s; } __attribute__((aligned(1), packed)); void VerticallyChallenged(const short&) {} int main() { Squeeze oj; const short& pit(oj.s); VerticallyChallenged(pit); VerticallyChallenged(oj.s); } Comment 8 Jonathan Wakely 2015-03-18 01:55:54 UTC (In
  • Did I miss that bit.

Have getPtr return a proxy instead. –Marc Glisse Dec 15 '14 at 19:45 @MarcGlisse: What do you mean with proxy here? –gexicide Dec 15 '14 at 19:47 http://www.avrfreaks.net/forum/cannot-bind-packed-field-error I took out the __attribute__((__packed__)) >>>> when I got the error. If you take into account that a reference is essentially a pointer (at least in the case of a function argument) this pointer could easily have the wrong alignment, because your Blender add rough/random surface Is adding the ‘tbl’ prefix to table names really a problem?

My cat sat down on my laptop, now the right side of my keyboard types the wrong characters Dishwasher Hose Clamps won't open I just started my first real job, and his comment is here Calling >> void foo(UInt32& x); >> would be problematic because foo doesn't know that x is >> potentially misaligned. > > I'm not looking to start a debate, but I don't Now I get the following errors: Cannot bind packed field '((juce::PixelARGB*)this)->juce::PixelARGB::.juce::PixelARGB::::components.juce::PixelARGB::Components::a' to 'juce::uint8&' Once I've seen you telling me that those errors are supposed to be fixed, I've tried to run On x86/x86_64 it's *usually* no big deal because the CPU will gracefully handle unaligned memory access (with a performance penalty).

Attachment(s): main.cpp Tags:Tools, Compilers and General Programming Log in / register to post comments Top totenhose Level: New Member Joined: Sun. Need to change cash to cashier's check without bank account (Just arrived to the US) Default value for date field Why is (a % 256) different than (a & 0xFF)? typedef struct Blah { UInt32 a : 32; UInt32 b : 32; UInt32 c : 32; SInt16 d : 16; } Blah; If you try this contact form Log in or register to post comments Top totenhose Level: New Member Joined: Sun.

Does f:x mean the same thing as f(x)? Comment 3 Nevin Liber 2008-06-18 19:06:01 UTC Expanding on my last comment: which lines in the following code should fail to compile: struct Squeeze { short s; } __attribute__((aligned(1), packed)); void Here is simple example: This is the struct.

Description Nevin Liber 2008-06-18 18:28:05 UTC If I have a packed struct and try to pass a member variable by reference to a function call, I get the "error: cannot bind

Eric Albert Re: Alignment in structs Jul 15 2006, 00:57 On Jul 14, 2006, at 3:49 PM, Laurence Harris wrote: > What do I need to set in Xcode to get Then I've tried to compile an old project that was fine just before. It is simply ignored by my gcc. –gexicide Dec 15 '14 at 19:32 @gexicide The "workaround" looks like a hack that avoids the error message but doesn't actually work. Mar 14, 2004 Posts: 10 View posts #2 Posted by totenhose: Wed.

vooon added bug plugin build error labels Dec 12, 2014 vooon added a commit that closed this issue Dec 14, 2014 vooon param: steve Rush Manbert Re: Alignment in structs Jul 17 2006, 21:59 Steve Christensen wrote: > On Jul 17, 2006, at 11:29 AM, Rush Manbert wrote: > >> Laurence Harris wrote: >> Annoying to have on all the time, but useful if you're switching compilers I guess. -- ____________________________________________________________ Sean McBride, B. navigate here Now, would I see padding issues with this as well: typedef struct Blah { SInt16 d; UInt32 a, b, c; } Blah; Larry Eric Albert Re: Alignment in structs Jul 15

Or does it just bug you that the size is padded out? Thanks, > > Try this: > > typedef struct Blah { > UInt32 a, b, c; > SInt16 d; > } __attribute__((__packed__)) Blah; When I Eng Rogue Research www.rogue-research.com Mac Software Developer This code compiles ok with Dev-Cpp, so i think it's the avr-gcc idiomatique.

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An object type imposes an alignment requirement on every object of that type; stricter alignment can be requested using the alignment specifier The bottom line of it is that even taking When you assign that pointer to pit... I'm sure the C spec has similar language. Thus, calling > > void foo(UInt32 x); > > would be fine for all cases since the compiler could generate the > appropriate instructions to gather up all the pieces for

share|improve this answer answered Mar 30 '15 at 9:38 Anton Savin 24.4k73059 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google How can I take a powerful plot item away from players without frustrating them? Bug36566 - Cannot bind packed field Summary: Cannot bind packed field Status: UNCONFIRMED Alias: None Product: gcc Classification: Unclassified Component: c++ (show other bugs) Version: 4.2.1 Importance: P3 normal Target Milestone: Do we have "cancellation law" for products of varieties stdarg and printf() in C Did a thief think he could conceal his identity from security cameras by putting lemon juice on

Then I've realised that it must be because I've downloaded the new modules, but not the new projects version. Thanks, > > Larry There's obviously some padding to keep the variable on the correct memory alignment. Browse other questions tagged c++ struct reference or ask your own question. This is not a problem with anything in the repo, it's your local copy that's messed up.

Neither. It just isn't a reliable way to do it. Nov 8, 2006 - 01:05 PM 12345Total votes: 0 Same code in post here: #include #include #include #include typedef void (*FTextSetter) (char *&cText); void getSomething(char *&cText) { sprintf(cText, Web Sites: Disneyland vs Disney World in the United States more hot questions question feed default about us tour help blog chat data legal privacy policy work here advertising info mobile

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