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Fix BPF parameter alignment to work regardless of target ABI (#21271)

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This commit is contained in:
Ben Newhouse
2021-11-16 10:02:22 -05:00
committed by GitHub
parent 72d7e426a6
commit 7e600bd451
3 changed files with 21 additions and 19 deletions
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29
docs/src/developing/on-chain-programs/overview.md
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@ -199,21 +199,20 @@ encoding is little endian):
- 1 byte indicating if this is a duplicate account, if not a duplicate then
the value is 0xff, otherwise the value is the index of the account it is a
duplicate of.
- 7 bytes of padding
- if not duplicate
- 1 byte padding
- 1 byte boolean, true if account is a signer
- 1 byte boolean, true if account is writable
- 1 byte boolean, true if account is executable
- 4 bytes of padding
- 32 bytes of the account public key
- 32 bytes of the account's owner public key
- 8 byte unsigned number of lamports owned by the account
- 8 bytes unsigned number of bytes of account data
- x bytes of account data
- 10k bytes of padding, used for realloc
- enough padding to align the offset to 8 bytes.
- 8 bytes rent epoch
- If duplicate: 7 bytes of padding
- If not duplicate:
- 1 byte boolean, true if account is a signer
- 1 byte boolean, true if account is writable
- 1 byte boolean, true if account is executable
- 4 bytes of padding
- 32 bytes of the account public key
- 32 bytes of the account's owner public key
- 8 byte unsigned number of lamports owned by the account
- 8 bytes unsigned number of bytes of account data
- x bytes of account data
- 10k bytes of padding, used for realloc
- enough padding to align the offset to 8 bytes.
- 8 bytes rent epoch
- 8 bytes of unsigned number of instruction data
- x bytes of instruction data
- 32 bytes of the program id