35 lines
782 B
Markdown
35 lines
782 B
Markdown
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- 例子
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`SECTIONS`
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`{`
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`. = 0x10000;`
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`.text : { *(.text) }`
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`. = 0x8000000;`
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`.data : { *(.data) }`
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`.bss : { *(.bss) }`
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`}`
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`section [address] [(type)] :`
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`[AT(lma)]`
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`[ALIGN(section_align)]`
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`[constraint]`
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`{`
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`output-section-command`
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`output-section-command`
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`...`
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`} [>region] [AT>lma_region] [:phdr :phdr ...] [=fillexp]`
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- MEMORY字段用于定义内存区域（Memory Region）
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- SECTIONS
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- 告诉链接器如何把输入段映射到输出段。
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- LOADADDR/ADDR
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- LOADADDR 返回加载地址LMA
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- ADDR 返回虚拟地址VA
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- PROVIDE
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- provide定义的值相当于一个弱符号， 可以被后面的定义进行覆盖。
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- KEEP
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- SIZEOF
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- 各种地址
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- 加载地址
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- 运行地址
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- 链接地址 objdump看到的地址
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