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Strengthen the pledge() polyfill

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This commit is contained in:
Justine Tunney 2022-06-27 13:01:58 -07:00
parent a6f65eea7c
commit 3c92adfd6e
79 changed files with 1457 additions and 357 deletions
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18
libc/calls/struct/bpf.h
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@ -62,15 +62,15 @@ COSMOPOLITAN_C_START_
#define BPF_TO_BE 0x08
#define BPF_FROM_LE BPF_TO_LE
#define BPF_FROM_BE BPF_TO_BE
#define BPF_JNE 0x50
#define BPF_JLT 0xa0
#define BPF_JLE 0xb0
#define BPF_JSGT 0x60
#define BPF_JSGE 0x70
#define BPF_JSLT 0xc0
#define BPF_JSLE 0xd0
#define BPF_CALL 0x80
#define BPF_EXIT 0x90
#define BPF_JNE 0x50 /* != */
#define BPF_JLT 0xa0 /* unsigned < */
#define BPF_JLE 0xb0 /* unsigned <= */
#define BPF_JSGT 0x60 /* signed > */
#define BPF_JSGE 0x70 /* signed >= */
#define BPF_JSLT 0xc0 /* signed < */
#define BPF_JSLE 0xd0 /* signed <= */
#define BPF_CALL 0x80 /* call */
#define BPF_EXIT 0x90 /* ret */
#define BPF_FETCH 0x01
#define BPF_XCHG (0xe0 | BPF_FETCH)
#define BPF_CMPXCHG (0xf0 | BPF_FETCH)

4
libc/calls/struct/filter.h
View file

@ -26,8 +26,8 @@ struct sock_fprog {
#define BPF_STMT(code, k) \
{ (unsigned short)(code), 0, 0, k }
#define BPF_JUMP(code, k, jt, jf) \
{ (unsigned short)(code), jt, jf, k }
#define BPF_JUMP(code, k, jumptrue, jumpfalse) \
{ (unsigned short)(code), jumptrue, jumpfalse, k }
#define BPF_MEMWORDS 16