Interpreting CW Link Maps

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Gary Rice - 02 Jul 2003 22:08 GMT

I'm debugging a C++ app that seems to have an object leaking outside
the space reserved for it by the compiler. I suspect that the Link Map
may be helpful in determining what objects are in memory on either
side of the damaged object but the documentation on exactly what the
map contains is limited at least in the 2 manuals I examined:
1) CW IDE User Guide
2) Targeting Mac OS

Where should I look for this information? I'm using CW/Pro 6 on Mac OS
9.2.2.

Thanks.

Gary

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MW Ron - 07 Jul 2003 22:13 GMT

>I'm debugging a C++ app that seems to have an object leaking outside
>the space reserved for it by the compiler. I suspect that the Link Map
[quoted text clipped - 6 lines]
>Where should I look for this information? I'm using CW/Pro 6 on Mac OS
>9.2.2.

I don't think CW 6 has much information on it.

Does this help?

Ron

PR Program Code
RO Read Only Constant
DB Debug Dictionary Table (NOT USED)
TC General TOC Entry
UA Unclassified (NOT USED)
RW Read Write Data
GL Global Linkage (Linker Generated)
XO Extended Operation (NOT USED)
SV Supervisor Call (NOT USED)
BS BSS class (NOT USED)
DS Routine Descriptor
UC Unnamed Fortran Common (NOT USED)
TI exception table index
TB exception table
TC0 TOC Anchor for TOC Addressability
TD Scalar TOC Data

XCOFF_PR XCOFF Program Code
TT out-of-line traceback table

CST4 mergeable 4 byte constant
CST8 mergeable 8 byte constant
CSTR mergeable C String constant
CSTP mergeable literal pointer constant

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Mac Forum / Programming / CodeWarrior / July 2003

Interpreting CW Link Maps