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Diffstat (limited to 'riscv64-link.c')
-rw-r--r--riscv64-link.c60
1 files changed, 30 insertions, 30 deletions
diff --git a/riscv64-link.c b/riscv64-link.c
index d25315a..2aeefef 100644
--- a/riscv64-link.c
+++ b/riscv64-link.c
@@ -95,39 +95,39 @@ int gotplt_entry_type (int reloc_type)
return -1;
}
-ST_FUNC unsigned create_plt_entry(TCCState *S, unsigned got_offset, struct sym_attr *attr)
+ST_FUNC unsigned create_plt_entry(TCCState *s1, unsigned got_offset, struct sym_attr *attr)
{
- Section *plt = S->plt;
+ Section *plt = s1->plt;
uint8_t *p;
unsigned plt_offset;
if (plt->data_offset == 0)
- section_ptr_add(S, plt, 32);
+ section_ptr_add(plt, 32);
plt_offset = plt->data_offset;
- p = section_ptr_add(S, plt, 16);
+ p = section_ptr_add(plt, 16);
write64le(p, got_offset);
return plt_offset;
}
/* relocate the PLT: compute addresses and offsets in the PLT now that final
address for PLT and GOT are known (see fill_program_header) */
-ST_FUNC void relocate_plt(TCCState *S)
+ST_FUNC void relocate_plt(TCCState *s1)
{
uint8_t *p, *p_end;
- if (!S->plt)
+ if (!s1->plt)
return;
- p = S->plt->data;
- p_end = p + S->plt->data_offset;
+ p = s1->plt->data;
+ p_end = p + s1->plt->data_offset;
if (p < p_end) {
- uint64_t plt = S->plt->sh_addr;
- uint64_t got = S->got->sh_addr;
+ uint64_t plt = s1->plt->sh_addr;
+ uint64_t got = s1->got->sh_addr;
uint64_t off = (got - plt + 0x800) >> 12;
if ((off + ((uint32_t)1 << 20)) >> 21)
- tcc_error(S, "Failed relocating PLT (off=0x%lx, got=0x%lx, plt=0x%lx)", (long)off, (long)got, (long)plt);
+ tcc_error("Failed relocating PLT (off=0x%lx, got=0x%lx, plt=0x%lx)", (long)off, (long)got, (long)plt);
write32le(p, 0x397 | (off << 12)); // auipc t2, %pcrel_hi(got)
write32le(p + 4, 0x41c30333); // sub t1, t1, t3
write32le(p + 8, 0x0003be03 // ld t3, %pcrel_lo(got)(t2)
@@ -140,11 +140,11 @@ ST_FUNC void relocate_plt(TCCState *S)
write32le(p + 28, 0x000e0067); // jr t3
p += 32;
while (p < p_end) {
- uint64_t pc = plt + (p - S->plt->data);
+ uint64_t pc = plt + (p - s1->plt->data);
uint64_t addr = got + read64le(p);
uint64_t off = (addr - pc + 0x800) >> 12;
if ((off + ((uint32_t)1 << 20)) >> 21)
- tcc_error(S, "Failed relocating PLT (off=0x%lx, addr=0x%lx, pc=0x%lx)", (long)off, (long)addr, (long)pc);
+ tcc_error("Failed relocating PLT (off=0x%lx, addr=0x%lx, pc=0x%lx)", (long)off, (long)addr, (long)pc);
write32le(p, 0xe17 | (off << 12)); // auipc t3, %pcrel_hi(func@got)
write32le(p + 4, 0x000e3e03 // ld t3, %pcrel_lo(func@got)(t3)
| (((addr - pc) & 0xfff) << 20));
@@ -154,16 +154,16 @@ ST_FUNC void relocate_plt(TCCState *S)
}
}
- if (S->plt->reloc) {
+ if (s1->plt->reloc) {
ElfW_Rel *rel;
- p = S->got->data;
- for_each_elem(S->plt->reloc, 0, rel, ElfW_Rel) {
- write64le(p + rel->r_offset, S->plt->sh_addr);
+ p = s1->got->data;
+ for_each_elem(s1->plt->reloc, 0, rel, ElfW_Rel) {
+ write64le(p + rel->r_offset, s1->plt->sh_addr);
}
}
}
-void relocate(TCCState *S, ElfW_Rel *rel, int type, unsigned char *ptr,
+void relocate(TCCState *s1, ElfW_Rel *rel, int type, unsigned char *ptr,
addr_t addr, addr_t val)
{
uint64_t off64;
@@ -179,7 +179,7 @@ void relocate(TCCState *S, ElfW_Rel *rel, int type, unsigned char *ptr,
case R_RISCV_BRANCH:
off64 = val - addr;
if ((off64 + (1 << 12)) & ~(uint64_t)0x1ffe)
- tcc_error(S, "R_RISCV_BRANCH relocation failed"
+ tcc_error("R_RISCV_BRANCH relocation failed"
" (val=%lx, addr=%lx)", (long)val, (long)addr);
off32 = off64 >> 1;
write32le(ptr, (read32le(ptr) & ~0xfe000f80)
@@ -191,7 +191,7 @@ void relocate(TCCState *S, ElfW_Rel *rel, int type, unsigned char *ptr,
case R_RISCV_JAL:
off64 = val - addr;
if ((off64 + (1 << 21)) & ~(((uint64_t)1 << 22) - 2))
- tcc_error(S, "R_RISCV_JAL relocation failed"
+ tcc_error("R_RISCV_JAL relocation failed"
" (val=%lx, addr=%lx)", (long)val, (long)addr);
off32 = off64;
write32le(ptr, (read32le(ptr) & 0xfff)
@@ -213,7 +213,7 @@ void relocate(TCCState *S, ElfW_Rel *rel, int type, unsigned char *ptr,
#endif
off64 = (int64_t)(val - addr + 0x800) >> 12;
if ((off64 + ((uint64_t)1 << 20)) >> 21)
- tcc_error(S, "R_RISCV_PCREL_HI20 relocation failed: off=%lx cond=%lx sym=%s",
+ tcc_error("R_RISCV_PCREL_HI20 relocation failed: off=%lx cond=%lx sym=%s",
(long)off64, (long)((int64_t)(off64 + ((uint64_t)1 << 20)) >> 21),
symtab_section->link->data + sym->st_name);
write32le(ptr, (read32le(ptr) & 0xfff)
@@ -222,10 +222,10 @@ void relocate(TCCState *S, ElfW_Rel *rel, int type, unsigned char *ptr,
last_hi.val = val;
return;
case R_RISCV_GOT_HI20:
- val = S->got->sh_addr + get_sym_attr(S, sym_index, 0)->got_offset;
+ val = s1->got->sh_addr + get_sym_attr(s1, sym_index, 0)->got_offset;
off64 = (int64_t)(val - addr + 0x800) >> 12;
if ((off64 + ((uint64_t)1 << 20)) >> 21)
- tcc_error(S, "R_RISCV_GOT_HI20 relocation failed");
+ tcc_error("R_RISCV_GOT_HI20 relocation failed");
last_hi.addr = addr;
last_hi.val = val;
write32le(ptr, (read32le(ptr) & 0xfff)
@@ -236,7 +236,7 @@ void relocate(TCCState *S, ElfW_Rel *rel, int type, unsigned char *ptr,
printf("PCREL_LO12_I: val=%lx addr=%lx\n", (long)val, (long)addr);
#endif
if (val != last_hi.addr)
- tcc_error(S, "unsupported hi/lo pcrel reloc scheme");
+ tcc_error("unsupported hi/lo pcrel reloc scheme");
val = last_hi.val;
addr = last_hi.addr;
write32le(ptr, (read32le(ptr) & 0xfffff)
@@ -244,7 +244,7 @@ void relocate(TCCState *S, ElfW_Rel *rel, int type, unsigned char *ptr,
return;
case R_RISCV_PCREL_LO12_S:
if (val != last_hi.addr)
- tcc_error(S, "unsupported hi/lo pcrel reloc scheme");
+ tcc_error("unsupported hi/lo pcrel reloc scheme");
val = last_hi.val;
addr = last_hi.addr;
off32 = val - addr;
@@ -256,7 +256,7 @@ void relocate(TCCState *S, ElfW_Rel *rel, int type, unsigned char *ptr,
case R_RISCV_RVC_BRANCH:
off64 = (val - addr);
if ((off64 + (1 << 8)) & ~(uint64_t)0x1fe)
- tcc_error(S, "R_RISCV_RVC_BRANCH relocation failed"
+ tcc_error("R_RISCV_RVC_BRANCH relocation failed"
" (val=%lx, addr=%lx)", (long)val, (long)addr);
off32 = off64;
write16le(ptr, (read16le(ptr) & 0xe383)
@@ -269,7 +269,7 @@ void relocate(TCCState *S, ElfW_Rel *rel, int type, unsigned char *ptr,
case R_RISCV_RVC_JUMP:
off64 = (val - addr);
if ((off64 + (1 << 11)) & ~(uint64_t)0xffe)
- tcc_error(S, "R_RISCV_RVC_BRANCH relocation failed"
+ tcc_error("R_RISCV_RVC_BRANCH relocation failed"
" (val=%lx, addr=%lx)", (long)val, (long)addr);
off32 = off64;
write16le(ptr, (read16le(ptr) & 0xe003)
@@ -284,7 +284,7 @@ void relocate(TCCState *S, ElfW_Rel *rel, int type, unsigned char *ptr,
return;
case R_RISCV_32:
- if (S->output_type == TCC_OUTPUT_DLL) {
+ if (s1->output_type == TCC_OUTPUT_DLL) {
/* XXX: this logic may depend on TCC's codegen
now TCC uses R_RISCV_RELATIVE even for a 64bit pointer */
qrel->r_offset = rel->r_offset;
@@ -296,8 +296,8 @@ void relocate(TCCState *S, ElfW_Rel *rel, int type, unsigned char *ptr,
add32le(ptr, val);
return;
case R_RISCV_64:
- if (S->output_type == TCC_OUTPUT_DLL) {
- esym_index = get_sym_attr(S, sym_index, 0)->dyn_index;
+ if (s1->output_type == TCC_OUTPUT_DLL) {
+ esym_index = get_sym_attr(s1, sym_index, 0)->dyn_index;
qrel->r_offset = rel->r_offset;
if (esym_index) {
qrel->r_info = ELFW(R_INFO)(esym_index, R_RISCV_64);
generated by cgit v1.2.3 (git 2.44.0) at 2024-05-05 04:00:25 +0000