Load$$ execution region symbols
6.3.3 Load$$ execution region symbols
The linker generates Load$$
symbols for every execution region present in the image.
Note
Load$$
symbols apply only to execution regions. region_name
Load$$LR$$
symbols apply only to load regions.load_region_name
Load$$
execution region present in the image. All the symbols refer to load addresses after the C library is initialized.Table 6-2 Load$$ execution region symbols
Symbol | Description |
---|---|
Load$$ |
Load address of the region. |
Load$$ |
Region length in bytes. |
Load$$ |
Address of the byte beyond the end of the execution region. |
Load$$ |
Address of the RO output section in this execution region. |
Load$$ |
Length of the RO output section in bytes. |
Load$$ |
Address of the byte beyond the end of the RO output section in the execution region. |
Load$$ |
Address of the RW output section in this execution region. |
Load$$ |
Length of the RW output section in bytes. |
Load$$ |
Address of the byte beyond the end of the RW output section in the execution region. |
Load$$ |
Address of the XO output section in this execution region. |
Load$$ |
Length of the XO output section in bytes. |
Load$$ |
Address of the byte beyond the end of the XO output section in the execution region. |
Load$$ |
Load address of the ZI output section in this execution region. |
Load$$ |
Load length of the ZI output section in bytes.
The Load Length of ZI is zero unless
has the ZEROPAD scatter-loading keyword set. If ZEROPAD is set then:Load Length =
Image$$ |
Load$$ |
Load address of the byte beyond the end of the ZI output section in the execution region. |
- The symbols are absolute because section-relative symbols can only have execution addresses.
- The symbols take into account RW compression.
- References to linker-defined symbols from RW compressed execution regions must be to symbols that are resolvable before RW compression is applied.
- If the linker detects a relocation from an RW-compressed region to a linker-defined symbol that depends on RW compression, then the linker disables compression for that region.
- Any zero-initialized data that is written to the file is taken into account by the Limit and Length values. Zero-initialized data is written into the file when the
ZEROPAD
scatter-loading keyword is used
原文: http://www.keil.com/support/man/docs/armlink/armlink_pge1362065953229.htm
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