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Rui Ueyama 2023-07-30 11:55:06 +09:00
parent ca14cdf9b6
commit f816c45b88
1 changed files with 4 additions and 2 deletions
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elf/arch-riscv.cc
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@ -939,11 +939,13 @@ i64 riscv_resize_sections(Context<E> &ctx) {
// identified by name. Some extensions are of single-letter alphabet such
// as "m" or "q". Newer extension names start with "z" followed by one or
// more alphabets (i.e. "zicsr"). "s" and "x" prefixes are reserved
// for supervisor- level extensions and private extensions, respectively.
// for supervisor-level extensions and private extensions, respectively.
//
// Each extension consists of a name, a major version and a minor version.
// For example, "m2p0" indicates the "m" extension of version 2.0. "p" is
// just a separator.
// just a separator. Versions are often omitted in documents, but they are
// mandatory in .riscv.attributes. Likewise, abbreviations as "g" (which
// is short for "IMAFD") are not allowed in .riscv.attributes.
//
// Each RISC-V object file contains an ISA string enumerating extensions
// used by the object file. We need to merge input objects' ISA strings