diff options
| author | 2018-08-06 12:45:42 +0200 | |
|---|---|---|
| committer | 2018-08-06 12:45:42 +0200 | |
| commit | 9e90c7985229430428dc9ba0ec7fe422901b456d (patch) | |
| tree | cae2072feba8cc433a32d96568bbcf36070bd6e5 /tools/objtool/elf.c | |
| parent | genirq/irqchip: Remove MULTI_IRQ_HANDLER as it's now obselete (diff) | |
| parent | irqchip/gic-v3-its: Make its_lock a raw_spin_lock_t (diff) | |
| download | wireguard-linux-9e90c7985229430428dc9ba0ec7fe422901b456d.tar.xz wireguard-linux-9e90c7985229430428dc9ba0ec7fe422901b456d.zip | |
Merge tag 'irqchip-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip updates from Marc Zyngier:
- GICv3 ITS LPI allocation revamp
- GICv3 support for hypervisor-enforced LPI range
- GICv3 ITS conversion to raw spinlock
Diffstat (limited to 'tools/objtool/elf.c')
| -rw-r--r-- | tools/objtool/elf.c | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c index 4e60e105583e..0d1acb704f64 100644 --- a/tools/objtool/elf.c +++ b/tools/objtool/elf.c @@ -302,19 +302,34 @@ static int read_symbols(struct elf *elf) continue; sym->pfunc = sym->cfunc = sym; coldstr = strstr(sym->name, ".cold."); - if (coldstr) { - coldstr[0] = '\0'; - pfunc = find_symbol_by_name(elf, sym->name); - coldstr[0] = '.'; - - if (!pfunc) { - WARN("%s(): can't find parent function", - sym->name); - goto err; - } - - sym->pfunc = pfunc; - pfunc->cfunc = sym; + if (!coldstr) + continue; + + coldstr[0] = '\0'; + pfunc = find_symbol_by_name(elf, sym->name); + coldstr[0] = '.'; + + if (!pfunc) { + WARN("%s(): can't find parent function", + sym->name); + goto err; + } + + sym->pfunc = pfunc; + pfunc->cfunc = sym; + + /* + * Unfortunately, -fnoreorder-functions puts the child + * inside the parent. Remove the overlap so we can + * have sane assumptions. + * + * Note that pfunc->len now no longer matches + * pfunc->sym.st_size. + */ + if (sym->sec == pfunc->sec && + sym->offset >= pfunc->offset && + sym->offset + sym->len == pfunc->offset + pfunc->len) { + pfunc->len -= sym->len; } } } |
