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base-linux: fix build error with gcc 12

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Fixes #4830
This commit is contained in:
Christian Prochaska 2023-04-24 21:53:22 +02:00 committed by Christian Helmuth
parent eab8db228b
commit acfeda15a7
1 changed files with 7 additions and 4 deletions
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11
repos/base-linux/src/lib/base/platform.cc
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@ -238,8 +238,12 @@ void Genode::binary_ready_hook_for_platform()
uint64_t *blks; uint64_t *blks;
}; };
size_t _binary_seccomp_bpf_policy_bin_size =
_binary_seccomp_bpf_policy_bin_end - _binary_seccomp_bpf_policy_bin_start;
for (char* i = _binary_seccomp_bpf_policy_bin_start; for (char* i = _binary_seccomp_bpf_policy_bin_start;
i < _binary_seccomp_bpf_policy_bin_end - sizeof(uint32_t); i++) { i < &_binary_seccomp_bpf_policy_bin_start[_binary_seccomp_bpf_policy_bin_size -
sizeof(uint32_t)]; i++) {
uint32_t *v = reinterpret_cast<uint32_t *>(i); uint32_t *v = reinterpret_cast<uint32_t *>(i);
if (*v == 0xCAFEAFFE) { if (*v == 0xCAFEAFFE) {
@ -248,9 +252,8 @@ void Genode::binary_ready_hook_for_platform()
} }
Bpf_program program { Bpf_program program {
.blk_cnt = (uint16_t)((_binary_seccomp_bpf_policy_bin_end - .blk_cnt = (uint16_t)(_binary_seccomp_bpf_policy_bin_size /
_binary_seccomp_bpf_policy_bin_start) / sizeof(uint64_t)),
sizeof(uint64_t)),
.blks = (uint64_t *)_binary_seccomp_bpf_policy_bin_start .blks = (uint64_t *)_binary_seccomp_bpf_policy_bin_start
}; };